What are some functions of a cell membrane? Select all that apply.
The cell membrane shields the cell’s internal parts.
The cell membrane prevents the environment inside the cell from changing.
The cell membrane contains the cell’s DNA and RNA.
The cell membrane allows needed materials to enter
Answer:Only the 3rd statement is WRONG.
DNA and RNA are present in the nucleus of the cell
Explanation:THE CORRECT STATEMENTS ARE :
The cell membrane shields the cell’s internal parts.
The cell membrane prevents the environment inside the cell from changing.
The cell membrane allows needed materials to enter
The correct statements about the functions of a cell membrane are:
A. The cell membrane shields the cell’s internal parts.
B. The cell membrane prevents the environment inside the cell from changing.
D. The cell membrane allows needed materials to enter.
A cell is defined as the basic functional, structural and smallest unit of life in all living organisms.
Cell organelles refers to the inner organs (workers) that are responsible for performing various tasks or functions, especially for the survival of a living organism.
Basically, some cell organelles found in living organisms includes:
Nucleus. Cytoplasm.Golgi apparatus. Mitochondria.Cell membrane.A cell membrane can be defined as the wall of a cell which typically controls what enters and leaves the cell.
Hence, some of the functions of a cell membrane are:
The cell membrane allows materials needed by a living organism to enter the cell.The cell membrane serves as a shield (wall) for the cell’s internal parts.The cell membrane preserves the environment inside the cell by preventing it from changing.Read more: https://brainly.com/question/19559847
which particles is the fundamental unit of all matter in both living and nonliving
Answer:
atoms
Explanation:
all things in the universe are made of atoms and they are considered the fundamental unit of matter.
non-living things are composed of different compounds and molecules.
living things are made of cells, and cells themselves are made of different molecules. So living things are also made of atoms.
In the quest to understand the basis of infertility in humans, researchers have identified a mutation in a gene associated with chiasmata. This protein normally acts to promote homologous recombination.Why might a defect in homologous recombination have consequences for fertility?A. The chiasmata halts the whole process of meiosis, if crossover do not form properly.B. Crossover formation is a necessary step in meiosis I to ensure proper chromosome segregationC. A checkpoint requires a certain level of genetic variability for meiosis to proceed.D. Chiasmata are the connections between the centromeres and the centromeres that pull them to each pole of the daughter cells.
Answer:
B. Crossover formation is a necessary step in meiosis I to ensure proper chromosome segregation
Explanation:
Crossing-over is a unique phenomenon that occurs in the prophase I stage of meiosis I, where non-sister chromatids of homologous chromosomes exchange their chromosomal segment. The physical point where this exchange occurs is called CHIASMATA. Hence, a mutation that affects the gene associated with the chiasmata will affect the occurrence of crossing over or homologous recombination.
Crossing-over, through the formation of the chiasmata, is responsible for the physical alignment and proper segregation of chromosomes into gametes. Naturally, the chiasmata formed as a result of recombination during meiosis helps ensure that the chromosomes stay together until it is the right time to separate. This way, any chromosomal defect in the resulting gamete is prevented.
However, an error or defect in homologous recombination might give rise to gametes with chromosomal disorder, a condition known as ANEUPLOIDY i.e. missing or additional chromosomes in gametes. This can affect the fertility of the involved human.
Terminologies used in cattle
Answer:
Like.. naming types of cattle?
Explanation:
Names for cattle ? or names.. for things used on cattle, or things done to cattle... elaborate and i can help!!!
Why are G proteins known as guanine nucleotide-binding protein?
Answer:
G proteins, also known as guanine nucleotide-binding proteins, are a family of proteins that act as molecular switches inside cells, and are involved in transmitting signals from a variety of stimuli outside a cell to its interior. ... G proteins belong to the larger group of enzymes called GTPases.
What is the chain of custody?
A) the order of who gets custody of the crime scene
B) the paper trail of every person that has been in contact with the evidence throughout its seizure, collection, preservation, analysis and
disposition
C) the order of suspects
D) the people who have custody of children until the case is closed
What are similarities and differences between insects that go through complete metamorphosis and incomplete metamorphosis?
There are two types of metamorphosis-incomplete and complete.
In incomplete metamorphosis, an adult insect lays an egg. The egg hatches into a nymph, which is like a mini adult. This nymph then grows into an adult. As the nymph grows, it molts several times. Grasshoppers are examples of insects that undergo incomplete metamorphosis.
Explanation:
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#1 Multiple choice: A. The highest temperatures are on land B. High ocean temperatures form a band in the tropics and subtropics that does not everywhere follow the equator C. Temperatures generally are higher on land than over adjacent oceans D. All of these are valid
Answer:
d all of these are valid generalizations
Mutations in which of the following cells would get passed on to the next generation?
I. sperm
II. Skin cell
III. Egg
IV. Neuron
A. II, III, and IV
B. III only
C.I and III
D. I, III, and IV
Answer:
C. I and III
Explanation:
A mutation needs to occur in a gamete cell in order to be passed down to the next generation.
If it occurs in a somatic (body) cell, the mutation will only be present in that organism.
On the other hand, in a gamete cell, the mutation will pass down because gamete cells are directly involved in the genetic makeup of the offspring.
So, since sperm and egg cells are gametes, mutations in those cells would get passed on.
The correct answer is C. I and III
You classified organisms based on anatomical structure and development. Scientists also use DNA to classify organisms. Considering the basic process of evolution, why do you think it’s important to also consider DNA and gene patterns during the classification of organisms?
Answer:
By studying genetics and DNA, we can get the best idea of how species are related to each other, and therefore how to classify them. The genetic code of a species is not fixed, however. It changes over time! This is why we also need to factor in evolution.
It is important to also consider DNA and gene patterns during the classification of organisms because,
Through genetics and DNA study, we can get the idea of how species are related to each other and how to classify them. The genetic code of a species is not fixed. So, it need in evolution.How organism classified ?The organism classified on the basis of shared characteristics.The classification of living organism includes seven levels, kingdom, phylum, classes, order, families, genus and species.What is evolution?It is witness in the living species and change in heritable traits of biological population over successive generation.The process of development of complex organism from simpler one with time is called an evolution.learn about gene,
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How do vaccines act on germs?
Answer:
a vacine work by traning the immune system by reconize and combine either virus or bacteria.
Please I really need your help.
Which of the following groups could be identified using the biological species concept? Select all that apply. Select all that apply. bacteria living today extinct dinosaurs sunflower species living today lizard species living today
Answer:
Bacteria, Sunflowers, Lizards.
Explanation:
They are all biological species due to being apart of flora and fauna. It wouldn't be dinosaurs since biologists study living things, dinosaurs are extinct.
The groups 'sunflower species living today' and 'lizard species living today' could be identified using the biological species concept.
The biological species concept defines a species as a special group of interfertile individuals.These individuals can then cross in order to produce fertile offspring and thus perpetuate the species.The biological species concept was developed by the biologist Ernst Mayr.In conclusion, the groups 'sunflower species living today' and 'lizard species living today' could be identified using the biological species concept.
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What alternate form of genes do nucleic acids have that allows them to offer variability?
Answer:
allales
Explanation:
an allele is the variant from a gene
Answer:
A. allales
Explanation:
Different between sinking and floating
Answer:
⬇ See below ⬇
Explanation:
Sinking is where an object/human/animal goes under a type of surface, normally water. Floating, on the other hand, is where an object is at the surface of a liquid, normally water. (Hope this helps!)
what is erythrocytopenia?
Answer:
Medical Definition of erythrocytopenia
: deficiency of red blood cells. — called also erythropenia.
Explanation:
If you like my answer than please mark me brainliest thanks
Explanation:
erythrocytopenia is deficiency of RBCs
What percentage of the nation’s demand for electricity could be produced in the future by wind energy?
Answer:
5-10%
hope this is helpful
Why do you think premenopausal women need more iron than
men of the same age?
Answer:
Women need more iron than men to make up for the amount of iron they lose in their menstrual period.
Explanation:
Answer:
Premenopausal women shed blood as part of menstruation every month, which lowers the level of iron in the body. So, they need more iron than men and are also at a greater risk for this nutritional deficiency.
PLATO
Explanation:
what will you do to climb faster on pole
Answer:
Explanation:
Aim for Consistency. The quickest and easiest way to get better is simply to climb everything you can, everywhere you can, in every different style. ...
Climb Intentionally. ...
Challenge Yourself. ...
Don't Let Fear Get in Your Way. ...
Learn the Art of the Redpoint. ...
Forget About Grades.
3. How would you describe the waxing versus the waning portion of the moon’s journey
Answer:
A lunar eclipse would occur when the Earth is between the sun and moon. ... 3How would you describe the waxing versus the waning portion of the moon's journey? The waxing is when the moon is “growing”, while the waning is when the moon is “shrinking”.
g In humans and higher primates, _____ is the final product of purine base catabolism and is excreted in urine. However, its inadequate excretion is a cause of a disease called ______
Answer: Humans and greater primates excrete water, broken down proteins and Urea. Many things cause unusual urine, Urea gives urine its yellow color a lack of urea can mean kidney failure. however it's hard to tell a lack of urea by just looking at urine as drinking excessive amounts of water turns the color clear and drinking caffeine turns the color reddish or brown so lab testing must be done
Jeremiah is an 10-year-old male who is short in stature. His parents have become concerned as Jeremiah is now wetting the bed, drinking a lot of water, and often appears tired/fatigued. The doctor orders several blood tests after Jeremiah's urine test was positive for glucose and ketones.1. What disease(s) should be ruled out in this patient?2. List the tests that are used to diagnose diabetes.3. List the symptoms of diabetes.
Answer: 2) Tests used to diagnoses diabetes: Oral Glucose Tolerance Test, Fasting Glucose Test, Hemaglobin A1c, Random Blood Suger Test.
3) unexplained weight loss, frequent unination, lethargic, excessive thirst, nausea , and vomititng, increased hunger even though is still eating, blurry vision, bed-wetting in childern who did not do it previously, dry mouth,
Explanation:
Where does that air go as a result?
Answer:
Air go from one place to another due to difference in temperature of land and sea.
Explanation:
Air go as a result of wind from one place to another. Air moves from land to sea is called land breeze and from sea to land is known as sea breeze. This will occur when there is difference in temperature between sea and land. Sea breeze occurs at afternoon while land breeze occurs at night till morning. Warm air produces low pressure and cold air produces high pressure so when warm air rises, cold air takes its place and this cycle continues.
Aalge are called autotrophs why give reason
What is the name of lipids building blocks?
Answer:
Glycerol and fatty acids are the basic building blocks of fats (lipids).
Explanation:
Explain what, if any, is the issue facing DNA polymerase in regards to its 5’->3’ activity when replicating DNA.
Answer:
The two strands of DNA are replicated in different ways
Explanation:
DNA replication is a process that occurs during the S phase of the cell cycle that consists of making two identical copies of the double-stranded DNA molecule, which subsequently are distributed in the daughter cells during cell division. During this process, DNA polymerase can add nucleotides in 5' to 3' direction, but not in 3' to 5' direction. In consequence, the DNA strand that has 3’ to 5’ directionality can be synthesized directly, while the DNA template strand that has 5’ to 3’ directionality can't be synthesized in a continuous manner and thereby it is created by adding small DNA fragments, which are known as Okazaki fragments (150-200 nucleotides in size).
assuming hardy weinberg equilibrium what is the probability that sarah who is phenotypically normal with no family history and tom
Answer:
The probability of having a disorder is 50 %.
Explanation:
The offspring has that genetic disorder if the Sarah who is phenotypically normal with no family history and tom has a genetic disorder so there is 50 percent chance that the children of Sarah and tom has that genetic disorder. if the disorder linked with Y chromosome of male so this disorder is present in the sons but if the disorder linked with X chromosome of male so this disorder is present in the daughters.
The period of female fertility during each Month is short For fextilization to take place intercouce must occur each
a) A few hours before ovalation up to 4-5 days after avulation
b) Around 24 hours before ovulation up to around. 24 hours after ovulation
C) Sometimes between 2-3 days before ovulation upto 2-3 days after ovulation
d) Around 4-5 days before ovulation upto a few hours after ovulation
E) Around 4-5 days before ovulation upto 4-5. after ovulation.
Answer:
The so called fertility window is the days in the menstrual cycle when conception is ... Ovulation usually occurs 14 days prior to your period starting.
Explanation:
It isn't any of your selections but I hope it helped for the choices to decide which one would go to the paragraph I have given
Activation of the parasympathetic branch of the autonomic nervous system:______
a. enhances digestion.
b. causes conversion of glycogen to glucose.
c. triggers release of epinephrine.
d. increases heart rate.
Answer:
A - enhances digestion
Describe the intermolecular interaction of the surface carboxylate groups of a micelle and the surrounding water.
Answer:
Hydrophilic portions are outside and hydrophobic regions are inside
Explanation:
A micelle is an assembly of amphiphilic molecules formed in a liquid solution, generally an aqueous solution. Micelles are formed due to the packing (aggregation-like) behavior in which single-tail lipids are organized in a bilayer. A typical micelle in aqueous solution forms a spheric assembly where carboxylate ions are organized in a mode that hydrophilic head regions enter in contact with the surrounding water, while hydrophobic (lipophilic) portions are disposed inside the micelle.