The speed of a moving object can be determined by dividing the distance traveled by the time taken. The second option.
What is speed?Speed is the property of a moving body that is obtained by finding the ratio of the distance covered by the body and the time taken to cover the distance.
The speed of a moving object can be expressed mathematically as:
Speed = distance/time.
The SI unit of distance is meter while the SI unit of time is seconds. Thus, the unit of speed is meter per seconds, usually denoted as m/s. However, any other unit that is a derivative of meter per second can be used to qualify the speed of an object.
The speed of an object is a scalar quantity because it measures magnitude only. This is unlike vector quatities that has both magniture and direction.
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In neuroscience terms, neurons have two types of impulses
The sequence of nucleotides in mRNA is determined by the sequence of
nucleotides in
a. amino acids
b. DNA
c. tRNA
d. ribosomes
Answer:
DNA
Explanation:
The sequence of nucleotides in mRNA is determined by the sequence of nucleotides in DNA .
The process of copying of genetic information from DNA to RNA is called transcription , and it follows the complementarity .
For eg. - If DNA sequence is ATTCGA then the RNA sequence will be UAAGCU .
( Adenosine forms base pair with Uracil instead of Thymine in RNA )
Please answer ,it’s due tomorrow!
After an experiment, Monica creates a graph that chose a direct linear relationship between the size of a fish and the amount of oxygen the fish uses. Describe this trend, in terms of the amount of oxygen that a fish would use, as it grows from being very small to very large.
Based o Monica's linear graph, the growth of the fish means more demand for oxygen.
How does an increase in body size affect the demand for nutrients by living organisms?An increase in body size increases the demand for nutrients in living organisms.
This is because an increase in the size of organisms or growth results in an increase in the number of cells, and the needs of each cell also increase.
Thus, for the direct linear relationship between the size of a fish and the amount of oxygen the fish uses, the demand for oxygen for the fish will increase with the increase in the size of the fish.
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Help!!!
What does it mean for an
angiosperm to be annual?
A. It has a two-year life cycle, one as a
sapling and the next to bloom and
reproduce.
B. It grows, flowers, reproduces and
dies all in one year.
C. It will remain alive underground and
for many years will grow, flower, and
reproduce.
Answer:
I think it's B. It grows, flowers, reproduces and dies all in one year.
Explanation:
B because annual means occurring every one year, so you can cancel out A because it says "two-year life cycle". You can also cancel C because angiosperms can't live underground.
HELP PLEASE
Does protein for fur have more energy than collagen?
If so come up with a hypothesis as to why it takes more energy to form some proteins than others.
Yes, Does protein for fur have more energy than collagen. The hypothesis as to why it takes more energy to form some proteins than others is that doing more work requires more energy from your body, that results in increased calorie burn.
How much energy does whey protein provide?One of the most often utilized proteins is whey protein, which is ideal for daily use. It is easily digestible and includes all nine necessary amino acids. It can lower stress levels and increase energy.
Note that Fur proteins are widespread transcriptional controllers that were once thought to be solely responsible for maintaining iron homeostasis in most prokaryotes. They utilize ferrous iron as a co-regulator by binding to specific sequences (Fur boxes) found in the upstream promoter region of the iron sensitive genes (Fillat 2014).
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Gavin has just woken up with a sudden fever that has spiked and has developed a rash in the last 24
hours that has turned into blisters that burst easily when touched. A sample was taken and sent off for
microbiological studies and grew a gram positive cocci, catalase positive, coagulase positive. What is the
name of this disease? What is the causative agent?
Gram-positive cocci, catalase positive, and coagulase positive is due to Staphylococcus aureus, which is the bacterium that causes bacterial tracheitis.
What is bacterial tracheitis?Bacterial tracheitis is a bacterial disease associated with pneumonia which is caused by Staphylococcus aureus bacteria and it has as its main symptom a high fever as well as difficulty for breathing, thereby it should be immediately treated in clinical settings.
Therefore, with this data, we can see that bacterial tracheitis is a life treating disease caused by the Staphylococcus aureus bacteria and it is associated with high fever symptoms.
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What is the missing word? Stem cells have not yet __________, so they retain the ability to develop into other types of cells.
A diagram of an ATP molecule is shown below.
ATP MOLECULE
Bond Bond
2
doo
Bond
Bond
3
4
Which bond is broken first to release energy for cell use?
O Bond 4
O Bond 1
O Bond 3
O Bond 2
Chemical reactions which release energy are referred to as exothermic when bond 3 is first broken for cellular utilization.
what is the importance of energy?Due to the fact that it is a fundamental human requirement, energy is crucial to our daily existence. Our constructions, which are constructed by humans, are heated and cooled by energy. Even the simplest tasks like lifting your finger or getting out of bed require energy.
What elements comprise energy?Energy is a phrase used to describe a property of matter or non-matter fields; energy is not a substance in and of itself. For instance, it's argued that kinetic energy exists when a substance moves. Potential energy comes in many different forms as well.
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33. The human organism consists of several ___ each which includes a set of interrelated ___ that work together to perform specialized functions that contribute to ______
(A) organ systems, organs, homeostasis
B) cavities, organs, the organism
C) organs, tissues, maintenance
D) organ systems, tissues, overall
functioning
E) cell systems, organelles, overall
functioning
Answer:
Option A
Explanation:
cell->tissue->organ->system->organism
Where and how proteins are made (transcription and translation)
Answer:
Cell uses the genes to synthesize proteins. This is a two-step process. The first step is transcription in which the sequence of one gene is replicated in an RNA molecule. The second step is translation in which the RNA molecule serves as a code for the formation of an amino-acid chain (a polypeptide).Aug 20, 2011
Fertilization in angiosperms requires a pollen grain to rapidly grow a pollen tube from the stigma to the embryo sac. From there,
how does the pollen tube enter the embryo sac to reach the egg?
The pollen tube enters the embryo sac at the micropyle, which is a small pore at the bottom of the sac.
What is plant fertilization?
After pollination and germination, sexual reproduction in plants takes place during fertilisation. The joining of the male gametes (pollen) and the female gametes (ovum) to create a diploid zygote is known as fertilisation. After the carpel has been pollinated, a physical-chemical process takes place. The entire sequence of this process occurs in the zygote before it matures into a seed. Flowers are the reproductive structures of angiosperms, so they play a significant role in the fertilisation process. In plants, the process of fertilisation takes place when haploid gametes combine to form a diploid zygote. Male gametes are transferred into female reproductive organs by pollinators during fertilization, and the result is the development of the embryo in a seed.
Hence, the micropyle is essential for the entry of the pollen tube into the embryo sac.
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Calculate allele frequencies in 5th generation. Record in Lab Data
Calculate genotype frequencies and number of moths in 5th generation. Record in Lab Data
Allelic frequencies ⇒ q = 0.9, p = 0.1. Genotypic frequencies ⇒ q² = 0.81, 2pq = 0.18, p² = 0.01. Number of individuals with each genotype ⇒ homozygous recessive = 850.5 individuals. Heterozygous = 189 individuals. Homozygous dominant = 10.5 individuals.
To answer this question, we will assume this moth population is in Hardy-Weinberg equilibrium.
What is the Hardy-Weinber equilibrium?
Hardy-Weinberg equilibrium is a theory that proposes that when populations are in equilibrium they are not evolving. And if populations are not evolving, their allelic and genotypic frequencies remain the same generation after generation.
Assuming diallelic genes code for a particular feature,
Allelic frequency
f(X) ⇒ p ⇒ frequency of the dominant allelef(x) ⇒ q ⇒ frequency of the recessive alleleGenotypic frequencies
F(XX) ⇒ p² ⇒ homozygous dominant frequencyF(Xx) ⇒ 2pq ⇒ heterozygous frequencyF(xx) ⇒ q² ⇒ homozygous recessive frequencyIn populations that are in Hardy-Weinberg equilibrium, the addition of allelic and genotypic frequencies will always equal 1.
p + q = 1p² + 2pq + q² = 1Now, we will use this framework to get the allelic and genotypic frequencies of the 5th generation.
We know that,
1000 moths were released in a forest (N = 1000). 250 were white (Typica), and 750 were black (Carbonaria).A diallelic gene codes for color. The dominant allele -D- codes for black (carbonaria), and the recessive allele -d- codes for white (Typica).Once released, these individuals produced five new generations, G1, G2, G3, G4, G5.G5 is composed of 851 white individuals (typica) and 199 dark individuals (carbonaria). The total number of individuals is 199 + 851 = 1050.1) Phenotype frequencies
Now that we have the number of individuals expressing each color and the total number of individuals, we can get the phenotypic frequencies.
To calculate them we just need to divide the number of individuals with each phenotype by the total number of individuals in this generation. So,
Total number of individuals in G5 → 1050White = Typica = 851 individualsBlack = Carbonaria = 199 individuals⇒ F(Typica) = 851 / 1050 = 0.81
⇒ F(Carbonaria) = 199 / 1050 = 0.189 ≅ 0.19
Notice that these frequencies were already given in the Phenotype Frequency table.
2) Allelic Frequencies
Now, we will use the phenotypic frequencies to get the allelic frequencies.
Carbonaria (black) is the dominant phenotype, so it includes homozygous dominant individuals (DD) and heterozygous individuals (Dd). We can not get the allelic frequencies from this data.
So, to get the allelic frequencies we will use the recessive phenotypic frequency because it only includes homozygous recessive individuals, dd.
Homozygous recessive Gentoypic frequency = Recessive Phenotypic frequencyGenotypic frequency → F(dd) → Represented as q²F(Typica) = F(dd) = q² = 0.81Recessive allele → dRecessive allelic frequency → f(d) → Represented as qf(d) = q = ??
q² = 0.81
q = √ 0.81
q = 0.9
0.9 is the recessive allelic frequency.
With this data we will calculate the dominant allelic frequency. To do this, we will clear the following formula,
p + q = 1
p + 0.9 = 1
p = 1 - 0.9
p = 0.1
So, now we also know that
⇒ f(D) = p = 0.1
⇒ f(d) = q = 0.9
3) Genotypic Frequencies
Now, we need to get the genotypic frequencies, F(xx)
⇒ F(DD) = p² = 0.1² = 0.01
⇒ F(Dd) = 2pq = 2 x 0.9 x 0.1 = 0.18
⇒ F(dd) = q² = 0.9² = 0.81
4) Number of individuals
Finally, we need to tell the number of individuals with each genotype. We just need to multiply each frequency by the total number of individuals in G5.
F(DD) = p² = 0.01F(Dd) = 2pq = 0.18F(dd) = q² = 0.81Total number of individuals = 1050
⇒ DD Black -Carbonaria- individuals → 0.01 x 1050 = 10.5
⇒ Dd Black -Carbonaria- individuals → 0.18 x 1050 = 189
⇒ dd White -Typica- individuals → 0.81 x 1050 = 850.5
From this results, we can conclude that the moths population is not in H-W equilibrium, because their allelic and genotypic frequencies changed through generations.
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in a developing embryo, what process allows cells of the mesoderm to give rise to muscle bone, and heart tissue
Answer:
cell differentiation
Explanation:
Which process would change metamorphic rock to igneous rock?
O melting followed by cooling
O pressure followed by weathering
O erosion followed by compaction
O cooling followed by cementation
Answer:
The correct answer is Option A.
Explanation:
A metamorphic rock becomes an igneous rock through the process of solidification. In this process, the atoms in the rock rearrange themselves until they form a solid structure. The atoms in a liquid or gas are in constant motion, but when they are solidified, they form a fixed, crystalline structure.
Answer:
A is the right answer
Explanation:
I got it right
If you wanted to find support for the idea that all living things are composed of cells, what evidence would you need
to gather?
I would compare nonliving things and living things to determine if there are similarities
I would examine many kinds of living things under a microscope and look for the presence of cells
I would conduct experiments to determine the function of cells from many different living thing to see if they
are similar
I would examine nonliving things to verify that the smallest parts are not cells
I would examine many kinds of living things under a microscope and look for the presence of cells.
Option B is correct.
What proof is there that cells make up all living things?Using an early microscope, Robert Hooke finds dead cells. In order to see living cells like bacteria, Anton von Leeuwenhoek creates a more potent microscope. All living things are composed of cells, and cells can be created from other cells, according to Matthias Schleiden and Theodor Schwann.
What kind of proof would at least partially validate the cell theory's tenets?What kind of proof would at least one of the tenets of the cell theory be supported by? There are no cells in rocks or other nonliving substances. It has been found that cells change one type of energy into another. To observe nearly all cells, a microscope is required.
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Which stage of cell cycle does cells divide into 2 cells
Answer: Cytokinesis
Explanation: P. S. it's not a stage, just the final step.
hope this helps.
Which of the following would
NOT be considered a woody
plant?
A. shrub
B. cacti this
C. tree
D. vine
Deforestation has removed many habitats for bats. This action has impacted
which nutrient cycle the most?
Hydrologic cycle
Sulfur cycle
Nitrogen cycle
Phosphorous cycle
Carbon cycle
Deforestation has removed many habitats for bats this action has impacted nutrient cycle the most is hydrologic cycle
Deforestation refer to the decreases in forest area across the world that are lost for others uses such as agricultural croplands, urbanization or mining activities and greatly accelerated by human activities and a nutrient cycle is a repeated pathway of particular nutrient or element from the environment through one or more organism and back to the environment and deforestation can disrupt the water cycle by decreasing precipitation which can lead to change in river flow and water volume
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explain the role of every organization and media in contagion movie ?
Users commonly expressed unpleasant sentiments on social media platforms and shared those emotions.
What are social networking sites used for?The term "social media" refers to online platforms that enable people to share, create, and/or exchange knowledge and ideas with one another. In charge of managing is the Office of Communications und Marketing.
What is the function of social media?Social media is used by billions of people to communicate and exchange information on a global scale. Social media allows you to connect with loved ones, learn new things, pursue your interests, and find enjoyment for yourself.
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A giant redwood tree captures sunlight with its leaves and uses that energy to create sugars to fuel cellular p Which characteristic of life does this trait best represent? O metabolism O response O growth and development O cellular organiz
Answer:
photosynthesis
People who get better grades in school will be more successful in life. agree or disagree
response must be at least 5-7 sentences in length.
There is no conclusive connection between achieving high academic standing and having a high income.
Can you succeed if you don't get good grades?The truth is that grades are really not that significant. Regrettably, valedictorian status doesn't carry much weight in the actual world. After having less than outstanding academic careers, some of the world's most successful individuals have gone on to have amazing careers in business and public life.
Are grades crucial to success?When it comes to getting into college, high school grades are most important. When considering whether to admit or reject a student, institutions may take into account their grade point average (GPA). Your college grades are even more crucial if you plan to enroll in graduate or professional school.
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An organism's genotype is (1 point)
O a trait that is expressed in a homozygous individual.
O an allele that is expressed whenever it is present.
O an observable trait.
O the set of alleles an organism has for a trait.
Answer:
4th option (last option)
If you go to the dermatologist and he or she removes a mole, what do you think is done with that tissue sample?
A doctor uses a circular tool to remove a small core of skin, including deeper layers (epidermis, dermis and superficial fat). Excisional biopsy. A doctor uses a small knife (scalpel) to remove an entire lump or an area of abnormal skin, including a portion of normal skin down to or through the fatty layer of skin. The mole is removed in a procedure under local anaesthetic. You will be given a local anaesthetic by injection at the place on your body where the biopsy will be taken from. The local anaesthetic may sting a little when it is injected, however, the skin will then go numb and the operation should be pain-free.
Explanation:Surgical excision:The dermatologist cuts out the entire mole and stitches the skin closed if necessary. Surgical shave: The dermatologist uses a surgical blade to remove the mole.How do pollinators help
angiosperms?
A. Pollinators help disperse a plants
seeds when they eat the fruit and then
expel the seeds.
B. Pollinators help plants adapt to
their environment through natural
selection.
C. Pollinators eat nectar from the
flowers and pick up and drop pollen as
they move between flowers.
this
Answer:
c
Explanation:
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Answer: C. Pollinators eat nectar from the flowers and pick up and drop pollen as they move between flowers.
which new gene formation does fit to ortholog type of homology in evolution?
Gene duplication is a new gene formation phenomenon that fits the ortholog type of homology in evolution.
What is homology in evolution?The expression homology in evolution makes reference to the emergence of similarities between two or more sequences due to a common origin, which may occur as a consequence of gene duplication and subsequent divergence of ortholog sequences in order to play different roles as genetic material in the cell of an organism.
Therefore, with this data, we can see that homology in evolution is caused by similarities due to a common ancestor and it may be due to gene duplication.
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examples and non examples of a electron
Answer:
[Example]
Electrons are the smallest of the particles that make up an atom, and they carry a negative charge. The number of protons and electrons is equal in a neutral atom. The hydrogen atom, for example, has just one electron and one proton. The uranium atom, on the other hand, has 92 protons, and therefore, 92 electrons.[Non examples]
Protons because a proton is positivelycharged & the electrons of negatively charged.Question 9 of 10
Which definition best describes a base?
Answer:
Explanation:
1
What happens to the cell itself once all its processes are focused on building new viruses?
which of the following are socioeconomic impacts of flooding
The socioeconomic impacts of flooding are decreased purchasing and production power.
What is Flooding?
This is referred to as the process in which water overflows and submerges the land which is usually dry. It leads to different types of negative consequences such as disruption of the ecosystem etc.
This occurrence leads to the displacement of people from their homes as a result of the place not being conducive enough for living due to the presence of water and other types of organisms in the home and can be prevented by providing appropriate drainage channels.
It leads to erosion in agriculture and the crops are destroyed which will lead to it decreasing production power. The purchasing power is also reduced as it threatens the livelihood of a vast majority of the affected individual.
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List the steps in the process of family intervention and tell what happens at each step.
There are 5 steps to the process of family intervention which includes:
Self education - learn about the disease or conditionInvolve a moderator - Hire a professional interventionist who is skilled at handling the situationsBe direct - explain the impacts of the condition to the familyDiscuss consequences - talk about the ultimatums and what would happen for not seeking helpPropose treatment alternatives - propose other treatments or replacements for conditions or addictionManage expectations - remember there could be setbacks and incorporate plans for them.What are the process to family intervention?These are steps taken to ensure that family members undergo treatments necessary to help them recover from damaging habits and conditions harmful to health such as addictions, abuse, etc.
Some of these steps include Self education, being direct, discussing consequences, proposing treatments and managing expectations.
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