Meiosis is the process by which: Group of answer choices gametes are produced growth and replacement of cells occur in multicellular animals single cell organisms reproduce all of these
Meiosis is the process by which gametes are produced.
What is meiosis?Meiosis is a cell division in which the parent cell divides to produce four daughter cells, each containing half the number of chromosomes.It is also known as reductional division.It is crucial for reproduction because meiosis is the sole way for germ cells to form sperm or eggs.In sexually reproducing organisms, meiosis ensures the generation of the haploid phase, whereas fertilization restores the diploid phase.Meiosis is a process that occurs during gametogenesis in both plants and animals which results in the production of haploid gametes.To learn more about meiosis,
https://brainly.com/question/16249478
#SPJ4
Which is the most anterior cranial nerve?
The most anterior cranial nerve is the terminal nerve (CN 0), a thin nerve passing along the medial side of the olfactory tract.
The terminal nerve, also known as cranial nerve 0 or simply as CN 0, is a nerve that was not included in the seminal classification of the cranial nerves as CN I through CN XII but is now generally classified as a cranial nerve. The nerve terminal is a specialized region of a neuron, separated from the neuronal soma by an axon that can be exceedingly long, whose function is to release neurotransmitter when stimulated by an electrical signal carried by the axon.
To learn more about terminal nerve ,here
https://brainly.com/question/10699266
#SPJ4
Which muscle is highlighted?
a) flexor digitorum longus
b) tibialis posterior
c) flexor hallucis longus
d) popliteus
The muscle which is highlighted is flexor digitorum longus and is therefore denoted as option A.
What is Flexor digitorum longus?This refers to a deep posterior muscle which is present in the lower leg and is responsible for the different movement of the great toe.
It is also involved in plantar flexion and foot inversion and also helps to maintain a medial longitudinal arch thereby making it the most appropriate choice.
Read more about Flexor digitorum longus here https://brainly.com/question/6170469
#SPJ1
A population's emigration in one month totaled three individuals. During the same period, immigration was 17 individuals. Natality was 12, and mortality was 26 due to a parasite infection. What was the net effect on the population size
There was no net change in the given population. The size of the given population remains unchanged.
The explanation behind this is that if we consider the given values-
Emigration- 3
Immigration- 17
Natality- 12
Mortality-26
Therefore,
The overall effect on the population will be=
(Emigration+ Mortality) - (Immigration + Natality)
= (3+26) - (17 + 12)
=29-29
=0
Here the emigration means the number of people who have migrated from the population. Mortality refers to the number of deaths in a given population. Immigration is the migration of people into the population and natality is the overall number of births that have taken place in a population. Therefore there is no net gain or loss in the given population. This exerts no effect on the population keeping it unchanged.
Learn more about population here-
https://brainly.com/question/27991860
#SPJ4
Blood is supplied to the muscular wall of the left atrium by the
Blood is supplied to the muscular wall of the left atrium by the left coronary artery
Blood is considered a connective tissue that remains flowing continuously in the body and carries oxygen, nutrients, and hormones from one place to another place in the body.
It is pumped into the body equally through the heart which consists of four chambers and several valves and arteries which work in a coordinated manner to collect deoxygenated blood collected from the body and replace oxygen in it and pump it into the other parts of the body.
The left coronary artery (LCA), also known as the left main coronary artery (LMCA) arises from the aorta above the left cusp of the aortic valve and transports the blood to the left side of the heart muscle.
Learn more about blood flow in the body here
brainly.com/question/13252561
#SPJ4
when it comes to your natural positive/negative ratio when ineracting with students, long term patterns mattermore than single interactions
when it comes to your natural positive/negative ratio when interacting with students, long-term patterns matter more than single interactions
The proportion of positive to negative encounters that is "magic." The prevalent notion that there is a "magic" ratio of positive-to-negative contacts for enhancing interpersonal relationships is shown by Flora's position. In the subject of education, it is frequently advised that teachers keep a particular balance between their positive and negative interactions with students.
Although this rule has strong face validity, no particular ratio has any empirical backing. The writers argue against the usage of any particular ratio but are in favor of maintaining a high positive to negative ratio. They cover topics such as the evolution of recommendations for the positive-to-negative interaction ratio and an overview of pertinent studies on pupils with emotional or behavioral disorders (EBD).
To learn more about Positive to negative ratio please visit -
https://brainly.com/question/9289386
#SPJ4
Begin at the ovaries of susie and the testes of billy.track the processes of ovulation for susie and ejaculation of billy.
Ovulation and ejaculation are the processes that involve the release of the female and male gamete for the process of fertilization.
Ovulation
The release of an egg from one of a woman's ovaries is known as ovulation.Ovulation usually lasts for one day and takes place two weeks before a woman anticipates getting her period, in the midst of her menstrual cycle. However, the procedure takes a different amount of time for every woman, and it might even change from month to month. A sperm cell can fertilize an egg when it exits a woman's ovary and enters the fallopian tube. Sperm can survive for three to five days inside a woman's reproductive system.The uterine walls thicken during ovulation in order to accommodate a fertilized egg. On the other hand, if the egg is not fertilized, the uterine lining is lost around two weeks later, which results in menstruation.Ejaculation
Ejaculation, the male reproductive system's discharge of sperm cells and seminal plasma. Sperm are transported from the testicles and the epididymis, where they are stored, to the beginning of the urethra, a hollow tube that runs through the pen!s and transports either sperm or urine. In the second stage, known as the actual ejaculation, the semen is transported through the urethra and expelled from the body.learn more about Ovulation and ejaculation here: https://brainly.com/question/13349245
#SPJ4
A broken neck leading to a severed spinal cord will completely block brain control of which systems responsible for maintaining body homeostasis?
Answer:
Sympathetic nervous system
Internal respiration refers to the exchange of gases:
Question 1 options:
Between the atmosphere and the lungs
Between the lungs and the heart
Between blood cells and body cells (excluding alveoli)
Between blood cells and the alveoli
Within body cells
Evaluation of the effectiveness of the insulin-mimetics, selenium and vanadium, in insulin-resistance in primary hepatocytes
In insulin-resistance in primary hepatocytesby treating the cells with glucosamine.
GlucosamineCartilage, the strong tissue that cushions joints, contains glucosamine, a natural substance. Glucosamine is either from shellfish or manufactured in a lab and sold as supplements. Among the different types of glucosamine are glucosamine sulfate, glucosamine hydrochloride, and N-acetyl glucosamine. There is no thought of substituting these nutrients. For the treatment of a painful disease brought on by the swelling, deterioration, and eventual loss of cartilage, people take glucosamine sulfate orally (osteoarthritis). Ensure that you select the appropriate type of glucosamine when contemplating it by carefully reading product labels. N-acetyl glucosamine is used to treat osteoarthritis, although there isn't enough clinical data to support this use. More studies are required to verify this.
Learn more about glucosamine here:
https://brainly.com/question/17403252
#SPJ4
DNA is composed of two strands, only one of which typically is used as a template for RNA synthesis. By what mechanism is the correct strand chosen
To choose the strand the promoter acts to aim the RNA polymerase.
What does RNA polymerase do?RNA polymerase synthesizes RNA by following a strand of DNA. The primary transcription enzyme is RNA polymerase. When RNA polymerase connects to a promoter sequence near the start of a gene, transcription starts (directly or through helper proteins). To create a fresh, complementary RNA molecule, RNA polymerase employs one of the DNA strands (the template strand) as a template.
Three distinct RNA polymerases (RNAPs), which transcribe various kinds of genes, are present in all eukaryotes. RNA polymerase I transcribe rRNA genes, RNA polymerase II transcribes mRNA, miRNA, snRNA, and snoRNA genes, and RNA polymerase III transcribes tRNA and 5S rRNA genes.
Learn more about RNA polymerase here:
https://brainly.com/question/15872478
#SPJ4
Which statement is true about visible light from the sun?
Group of answer choices
a.)it is only a small part of the electromagnetic spectrum of wavelengths
b.)it is the largest part of the electromagnetic spectrum of waves
c.)all other wavelengths on the electromagnetic spectrum are part of visible light
The answer choice which is true about visible light is it is only a small part of the electromagnetic spectrum of wavelengths
What is visible light?Visible light is that portion of electromagnetic spectrum which is visible to the human eye
So therefore, the answer choice which is true about visible light is it is only a small part of the electromagnetic spectrum of wavelengths.
Learn more about visible light:
https://brainly.com/question/20738760
SPJ1
The term ____________________ describes any degenerative or inflammatory condition of the kidney.
The term Nephritis describes any degenerative or inflammatory condition of the kidney.
A disorder when the kidney's tissues swell up and have trouble removing waste from the circulation. Infections, inflammatory problems (like lupus), specific genetic conditions, and other illnesses or conditions can all contribute to nephritis.When deposits of the antibody build up in the glomeruli, IgA nephropathy develops. It could take a while before the inflammation and related damage are seen. Urine that contains blood is the most typical sign.Infections, inflammatory problems (like lupus), specific genetic conditions, and other illnesses or conditions can all contribute to nephritis. It might also be brought on by using specific medications or coming into contact with specific substances.learn more about nephritis here: https://brainly.com/question/608378
#SPJ4
The difference in heat distribution between the poles and the equator is due to Earth’s
a. orbit around the sun
b. spherical shape
c. tilted axis of rotation
uneven heating between the equator and the poles the one air ICS and the cooler air from the reasons in the 0300 latitude belt on the either side of equator moves in these wines below the form of North and South towards the equator as the falls the air is colder than the lead to and 60 degree
The fluid that enters vertebrate nephrons is called the filtrate. What is the source of the filtrate
the source of the filtrate is Loop of Henle.
The Henle loop is surrounded by tissue fluid with a high ion concentration. Osmosis causes water to move out of the descending limb. As a result of the more concentrated filtrate, ions move out of the loop in the thin ascending limb.
The nephron consists of a single long tubule and a ball of capillaries called the glomerulus. Using hydrostatic pressure, plasma is forced through the walls of the glomerulus, becoming filtrate as it crosses, and then collecting within Bowman's capsule. The fluid that enters vertebrate nephrons is called the filtrate.
Which part of the nephron is called the loop of Henle?A million nephrons are the filtering units of the human kidney, which is a complex and highly vascular organ. Each filters water and solutes from the blood that flows through it into the surrounding space and is the cavity between the cup's walls. The other part resembles a U-shaped loop that transports the filtered fluid deep into the medulla.
Functions of NephronThe primary function of the Nephron is to flush out waste products from the blood, which include solid waste and other excesses. This blood is transformed into urine through secretion and excretion.
The nephron, a basic structural unit of the kidney, is a microscopic structure composed of a renal corpuscle and a renal tubule.
Learn more about Loop of Henle in:
https://brainly.com/question/15488453
#SPJ4
As we age, the decrease of which hormone is associated with the loss of muscle tissue?
The decrease of human growth hormone is associated with the loss of muscle tissue as we age.
What is a hormone?A hormone is a chemical messenger that is released into the bloodstream in order to carry out particular physiological functions.
The human growth hormone is a hormone required during the growth that induces cell division during specific stages of human development.
The human growth hormone is secreted by specialized cells present in the anterior pituitary gland.
The expression level of the gene encoding the human growth hormone can be used in clinical settings in order to determine the presence of abnormal growth during embryo development.
In conclusion, the decrease of human growth hormone is associated with the loss of muscle tissue as we age.
Learn more about hormones here:
https://brainly.com/question/4678959
#SPJ1
An intravenous hypertonic solution containing dextrose, proteins, vitamins, and minerals is known as?
An intravenous hypertonic solution containing dextrose, proteins, vitamins, and minerals is known as total parenteral nutrition
A hypertonic solution is one that has more dissolved particles than normal cells and blood do, including salt and other electrolytes. For instance, wounds are soaked in hypertonic liquids.
Blood has a lower concentration of dissolved particles than hypertonic fluids. 3 percent Normal Saline is an illustration of a hypertonic IV solution (3 percent NaCl). The intravascular space has a higher concentration of dissolved solutes than the cells when hypertonic fluids are injected. In contrast to a hypotonic solution, a hypertonic solution includes more of the other substance and less water.
To learn more about hypertonic solution please visit-
https://brainly.com/question/28020628
#SPJ4
Hall KT, Loscalzo J, Kaptchuk TJ. Genetics and the placebo effect: the placebome. Trends Mol Med 2015;21:285-94.
Placebo responses greatly influence ordinary clinical outcomes, making placebo controls essential in randomized clinical trials (RCTs).
What are the placebome, or genetics, and the placebo effect?
Recent research in neurophysiology reveals the neurotransmitter networks that control placebo effects. It is possible to use genetic screening to identify placebo responders, which would boost the efficiency of RCTs and enhance therapeutic treatment. This is supported by evidence that genetic differences in these pathways can alter placebo effects. Additionally, the design of RCTs should take into account any potential interactions between the molecular pathways of the medicine and the placebo. The placebome, a study of the genetic influences on placebo response, is still in its infancy. Here, we evaluate data from placebo trials and RCTs to pinpoint putative genes in the placebome, look into data for interactions between placebo and drugs, and discuss implications for clinical care and RCTs.
Learn more about placebo here:
https://brainly.com/question/17494089
#SPJ4
Fructose has the formula C6H12O6. How many moles of fructose are there in 0.100 g of fructose?
Considering the definition of molar mass, there are 0.00055 moles of fructose in 0.100 grams of fructose.
Definition of molar massThe molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.
The molar mass of a compound (also called Mass or Molecular Weight) is the sum of the molar mass of the elements that form it (whose value is found in the periodic table) multiplied by the number of times they appear in the compound.
Molar mass of C₆H₁₂O₆In this case, you know the molar mass of the elements is:
C= 12 g/moleH= 1 g/moleO= 16 g/moleSo, the molar mass of the compound C₆H₁₂O₆ is calculated as:
C₆H₁₂O₆= 6×12 g/mole + 12× 1 g/mole + 6× 16 g/mole
Solving:
C₆H₁₂O₆= 180 g/mole
Moles in 0.100 grams of fructoseYou can apply the following rule of three: If by definition of molar mass 180 grams of fructose are contained in 1 mole, 0.100 grams of the compound are contained in how many moles?
[tex]amount of moles= \frac{0.100 gramsx 1 mole}{180 grams}[/tex]
amount of moles= 0.00055 moles
Finally, there are 0.00055 moles of fructose in 0.100 grams of fructose.
Learn more about molar mass:
brainly.com/question/5216907
brainly.com/question/11209783
brainly.com/question/7132033
brainly.com/question/17249726
#SPJ1
What we know about fossil sharks and rays comes from the ____________________ they left behind, their only hard parts.
What we know about shark and ray fossils comes from bones in rocks from the Cretaceous period in Mexico that left behind, their only hard parts.
Shark fossilsThe idea of a stingray-like shark may seem like something out of a B-movie. But paleontologists have just reported the discovery of such a creature in Cretaceous rocks in Mexico. This strange shark combines a streamlined body with large, wing-shaped fins, an ancient animal unlike any seen in the fossil record.
Whose are the fossils?
Fossils are the remains or traces of living beings that inhabited the Earth in previous geological periods. Fossil remains are parts of animals or plants, such as a bone or some limb or organic remains that have been preserved in some way.
With this information, we can conclude that Fossils are remains or traces of animals and plants preserved in rocks.
Learn more about Fossils in brainly.com/question/22502144
#SPJ1
What is the most likely effect of a mutation that changes the repeat sequence found in terc from 3’-cccaau-5’ to 3’-ucaggacg-5’?.
If the repeat sequence of telomere changes from 3’-cccaau-5’ to 3’-ucaggacg-5’ due to any mutation then the telomerase enzyme will be unable to attach to the 3' overhung of the telomere sequence and cannot elongate new DNA strand [telomeric part] as a result, the telomeres of chromosome cannot be elongated and the entire chromosome or the cell will be lost after few rounds of division.
Mutation: This can be described as a random change in the nucleotide sequence due to which the protein sequences change hindering the function performed by the particular protein.
Telomere: They are short repeating sequences found at the end of the chromosome whose function is to save the chromosomes from degradation.
But after each round of replication, the length of the telomeres becomes shorter than the previous and after a certain number of cell divisions, the telomeres become so short that they trigger the cell to stop dividing or to self-destruct (undergo apoptosis).
So, to prevent the shortening of telomeres, the TERC gene codes a telomerase enzyme which is a type of reverse transcriptase. After every cell division, the telomerase enzyme gets attached to the 3' end of the shortened telomere end and synthesizes the complementary DNA to the RNA part of the enzyme until the length of the telomere is restored again.
Learn more about telomerase here
brainly.com/question/13710859
#SPJ4
Blood from the GI tract within the hepatic portal system must travel through the liver so that ______.
Answer:
digested nutrients can be absorbed and processed
harmful agents can be detoxified.
Explanation:
What happens during prophase of meiosis l?
a) spindle fibers reform and attach to the haploid chromosomes
b) cytokinesis begins, the cells pinch off, forming two cells
c) the spindle fibers are made by centrosomes and are attached to the centromeres of the chromosomes
d) the duplicated homologous chromosomes pair up and exchange their chromatid segments
During prophase of meiosis l happens the duplicated homologous chromosomes pair up and exchange their chromatid segments.
What is meiosis I stage?
Meiosis I begins with prophase I, a phase marked by the progressive condensation of chromosomes, exchange of genetic material between non-sister chromatids, formation of the spindle (bundle of microtubules), breakdown of the nuclear envelope and the beginning of the migration of homologous chromosomes towards to the metaphase plate.
In this case, is correct to say that the duplicated homologous chromosomes pair up and exchange their chromatid segments occurs in meiosis I.
See more about meiosis I at brainly.com/question/13050419
#SPJ1
How are the hip bones in a frog different from the human pelvis?
Answer:
A frog's pelvis(hip bones) can slide up and down its spine, which may help it jump. The vertebrae at the bottom end of the spine are fused into one bone called the urostyle much like our coccyx(tailbone) - the remains of their tadpole tail.
Inherited disease can be caused by damage to DNA caused by _________.
DNA Polymerase
B. Okazaki fragments
C. ozone
D. radiation
Inherited disease can be caused by damage to DNA caused by radiation (option D).
What is mutation?Mutation is any heritable change of the base-pair sequence of genetic material.
Mutation is a gradual change in the genetic sequence of a nucleic acid that can occur through the following ways;
Replication errors RadiationMutagensRadiation is the process of radiating waves or particles like X-ray, electron particles.
Therefore, inherited disease can be caused by damage to DNA caused by radiation.
Learn more about radiation at: https://brainly.com/question/4072364
#SPJ1
[TG.04]One student designed an experiment to demonstrate the formation of a geologic feature. The steps of the experiment are listed below.
• Place a rectangular piece of cardboard on a table.
Cut a strip of paper one inch long and half an inch wide.
Place the paper strip on the cardboard along one of its edges.
• Use a clip to attach the middle of the paper strip to the cardboard so that approximately half of the paper strip is on each side of the clip.
Place one hand on each of the two halves of the paper strip.
• Push both ends of the paper strip towards the clip.
. Observe the formation of ripples on the paper.
Which of these geologic features was created by the process demonstrated by the student's experiment?
A) the Big Island of Hawaii
B) the Grand Canyon
C) the Himalayan mountain range
D) the Sierra Nevada Mountains
B) The Himalayan Mountain range of geologic features was created and demonstrated by the student's experiment.
In the northeastern corner of India, there are mountains called the Himalayan mountain range. They go 1,500 miles (2,400 km) and cross through China, Bhutan, Nepal, Pakistan, Afghanistan, and India. The Himalayan Mountain range is known for its extreme height, intricate geological structure, snow-covered peaks, sizable valley glaciers, deep river gorges, and lush vegetation.
The Himalayan mountain range is the tallest mountain range in the globe and is home to Mount Everest and nine out of the ten highest peaks in the world. These mountains, sometimes known as the Third Pole, are the source of several of Asia's major rivers and have a role in controlling the climate of the world.
To learn more about the Himalayan mountain range please visit -
https://brainly.com/question/18934796
#SPJ1
Identify the highlighted artery. Identify the highlighted artery. right coronary marginal circumflex left coronary
Highlighted artery is right coronary.
What is artery?The blood channels that carry oxygen-rich blood from the heart to the body's tissues are called arteries. Each artery consists of three layers and is a muscular tube bordered by smooth tissue. The endothelium, a smooth tissue, lines the intima, the inner layer.Blood is transported from your heart through arteries.All body parts have arteries, with the exception of the hair, nails, epidermis, cartilages, and cornea. In the limbs, they run along the flexor surface, where they are less vulnerable to injury, and the larger trunks typically occupy the most protected positions.A conduit that carries blood from the heart to the body's extremities is called an artery. Every artery, with the exception of the pulmonary artery, carries oxygenated blood. The ascending aorta, aortic arch, thoracic aorta, and abdominal aorta are the four divisions of the aorta, which is the biggest artery in the body.
Learn more about artery here:
https://brainly.com/question/14015132
#SPJ1
Fill in the blanks with the appropriate artery name. Then place the sentences in order to trace a drop of blood from the heart to the left thumb.
Blood pathways are as follow - Aorta -Third Subclavian Axillary Brachial Radial
Arranging Sequenceof Blood pathways - Your heart's two upper chambers are called atria. Both the left and right atriums are present.
Your two lowest heart chambers are called ventricles. Both the left and right ventricles are present in you. Large veins known as pulmonary veins carry oxygen-rich blood from your lungs to your left atrium. To transfer blood from your left atrium to your left ventricle, your mitral valve opens.
Your left ventricle contracts when it is full, which causes your mitral valve to close and your aortic valve to open. Blood is sent from your heart to your aorta, where it travels to the rest of your body, via your aortic valve. Your heart pumps blood from its right side to its left side before returning to the rest of your body in Blood pathways
To learn more about Blood pathways please visit-
https://brainly.com/question/876692
#SPJ1
Exfoliating agents found in pedicure scrubs are made of sea sand, ground apricot kernels, pumice, quartz crystals, jojoba beads, and:
Exfoliating agents found in pedicure scrubs are made of sea sand, ground apricot kernels, pumice, quartz crystals, jojoba beads, and polypropylene beads.
What are Exfoliating agents?These are substances which are characterized by their gritty texture and are applied on the skin for the purpose of removal of old portions so as to enable new ones reemerging.This process in referred to as skin renewal and makes people look younger and healthy.
Polypropylene beads is referred to as a common thermoplastic resin and is also used as an exfoliating agent in pedicure scrubs due to its gritty nature and zero side effects when applied on the skin of individuals.
Other substances which are used as pedicure scrubs include sea sand, ground apricot kernels etc thereby making it the most appropriate choice.
Read more about Exfoliating agents here https://brainly.com/question/12734041
#SPJ1
A cell that cannot produce enough energy to function properly most likely has a problem with its?
A cell that cannot produce enough energy to function properly most likely has a problem with its mitochondria.
What is the function of the mitochondria?The mitochondria is a membrane-bound organelle in the cells of eukaryotic organism.
The mitochondrion is the organelle responsible for the conversion of food to usable energy in the form of ATP, hence, it is called power house of the cell.
The energy we make use of for our daily activities is synthesized as ATP in a process called cellular respiration.
However, according to this question, a cell that cannot produce enough energy to function properly most likely has a problem with its mitochondria.
Learn more about mitochondria at: https://brainly.com/question/10688306
#SPJ1