Answer:
In order of steps we have
Receptors in her toe receive stimuli
The sensory neuron generates an impulse.
Interneurons relay the impulse to motor neurons in the spinal cord
Motor neurons signal the leg muscles.
She immediately moves her foot.
Hope this helps you
Why do Mars and Mercury have many more craters compared to Venus?
Answer:
They have a thinner atmosphere.
Explanation:
Venus has a very dense atmosphere compared to Mars and Mercury. This causes many small meteorites and asteroids to break apart before they reach the surface. Thus, Venus has fewer craters than Mars and Mercury.
Answer Choices:
◎ Their masses are greater.
◉ They have a thinner atmosphere. Correct!
◎ Both are closer to the sun than Venus.
◎ Their masses are lower.
Explanation:
Venus has a very dense atmosphere compared to Mars and Mercury. This causes many small meteorites and asteroids to break apart before they reach the surface. Thus, Venus has fewer craters than Mars and Mercury.
characters of a fertile soil
Answer:
There are so many characteristics of fertile soil like: It is rich in nutrients necessary for plant nourish ment. It includes nitrogen , phosphorus and potassium. It consists adequate minerals such as boron, chlorine, cobalt, iron, magnese, sulphur etc.Explanation:
Hope it helps you.Which feature separates humans from other primates? smaller brain size bipedalism use of tools complex social skills
Answer:
Complex social skills
Explanation:
Answer:
Complex social skills.
Explanation:
Humans actually have larger brains than other primates, so smaller brain size is incorrect.
Other primates, such as chimpanzees, orangutans, and gorillas, all have the ability to use tools, so that is incorrect.
Some primates, such as chimps and baboons, do stand on their hind legs at times, so bipedalism does not separate humans from other primates.
So, complex social skills separate humans from primates.
Hope this helps!
The papillae located mainly on the tip and sides of the tongue that contain only a few taste buds each are the _______ papillae
Answer:
Fungiform
Explanation:
The papillae located mainly on the tip and sides of the tongue that contain only a few taste buds each are the Fungiform papillae.
The fungiform papillae are broad flat structures that house taste buds in the central portion of the dorsum (back) of the tongue. These papillae were thought to resemble a fungus: a little mushroom. The literal meaning of Fungiform is mushroom-shaped.
In untreated type 1 diabetes, the hepatocyte's citric acid cycle becomes overwhelmed with acetyl‑CoA from excessive fatty acid oxidation. Although the excess acetyl‑CoA is not toxic, it must be diverted into the formation of ketone bodies: acetone, acetoacetate, and D‑β‑hydroxybutyrate.
What problem would arise if the excess acetyl-CoA were not converted to ketone bodies?
a. Fatty acid oxidation would stop when all the COA is bound as acetyl-CoA.
b. While acetyl-CoA is not toxic, it inhibits D-β- ohydroxyacyI-CoA dehydrogenase.
c. While acetyl-CoA is not toxic, it prevents transfer of fatty acids into the mitochondria by forming acetyl carnitine.
d. Formation of acetyl-CoA requires uptake of a proton, and the increased pH inhibits further oxidation.
If the excess acetyl-CoA were not converted to ketone bodies, Fatty acid oxidation would stop when all the CoA is bound to acetyl-CoA. Thus, the correct option is (A).
What is Acetyl-CoA ?
Acetyl-CoA is the component of cellular respiration which adds acetyl groups to the biochemical reactions and these reactions are used in the metabolism of proteins, carbohydrates and lipids which provide energy in the form of ATP (Adenosine Triphosphate), lactic acid and Ketone bodies.
It also play an important regulatory role in intercellular mechanism which is essential for energy production when fasting or starving. It formed inside or outside the cell mitochondria where it must be freely available as a metabolite and can be produce by breakdown of carbohydrates (glucose) and lipids (fatty acid).
It's main function is to transfer the carbon atom in acetyl to other molecules. Acetyl Co-A consist of acetyl and CoA . Acetyl is [tex]CH_{3}CO[/tex] which is produced by the breaking down of pyruvate, a derivative of carbohydrate.
When this pyruvate is breakdown, it produces small bonded carbon molecules these react with Co-A it forms Acetyl Co-A.
So, the excess acetyl-CoA were not converted to ketone bodies, Fatty acid oxidation would stop when all the CoA is bound to acetyl-CoA. Thus, the correct option is (A).
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A student recorded the height of each student in the school. She then made a bar graph of her results. She observed
that the results form a bell-shaped curve. The student could use her graph as evidence to support which argument?
Height is affected by multiple pairs of genes on different chromosomes.
tre weles for tall height and short height are codominant.
the allele for being tall is dominant to the allele for shorter heights.
There are three alleles for height that demonstrate incomplete dominance
Answer:
Height is affected by multiple pairs of genes on different chromosomes.
Explanation:
The quantitative traits are those whose inheritance pattern is the result of the action of multiple genes that act together with the environment. The distribution of quantitative traits in the population follows a bell-shaped curve, which is referred to as normal distribution or Gaussian distribution. These traits are 'quantitative' because they vary among individuals in the population to produce a continuous range of phenotypic values. Examples of quantitative traits include, among others, metabolic rate, height, and weight.
Answer:
A)
Explanation:
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Answer:
[tex]\boxed{Option \ 2}[/tex]
Explanation:
=> In the first graph, we come to know that winters are colder and summers are hotter.
=> In the second graph, winters have more precipitation than summer.
=> On the whole, Winters have lower temperature and more precipitation than summers. ← [Option 2]
=> Summers have high temperatures and less precipitation.
Answer:
[tex]\boxed{\sf Option \ 2}[/tex]
Explanation:
We can see in the first graph that the winter months have a lower temperature compared to the summer months. The summer months have higher temperatures.
In the second graph, the winter months have much higher average precipitation compared to the summer months. The summer months have lower average precipitation.
Winters have lower temperatures and more precipitation than summers.
Which feature separates humans from other primates? smaller brain size bipedalism use of tools complex social skills
Answer:
Bipedalism.
Explanation:
Bipedalism is a human's ability in which they can use their two hind legs to run or walk without the help of their front limbs, unlike other primates.
Answer:
Bipedalism
Explanation:
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ABO blood typing uses 3 alleles. From your course notes answer the following two questions: Which two are dominant? _________ Write the two dominant allele genotypes, using the capital letter I, and then a superscript for each of them. __
Answer and Explanation:
Given that the ABO blood typing uses 3 alleles
The blood type of ABO could find out by considering three different alleles i.e [tex]I^{A}, I^{B}\ and \ i[/tex]
where,
[tex]I^{A}\ and\ I^{B}[/tex] = co-dominant
i = recessive
The dominant allele genotypes are as follows
For type A = [tex]I^{A} I^{A}/ I^{A}\ i[/tex]
For type B = [tex]I^{B} I^{B}/ I^{B}\ i[/tex]
For type AB = [tex]I^{A} I^{B}[/tex]
Therefore the above two are dominants and the same is to be considered
Answer the following True or False: A hypothesis test was conducted to see if a new HIV vaccination reduces the risk of contracting the HIV virus. The implication of a Type II error from the clinical trial is that the vaccination will not be approved when it indeed does reduce the risk of contracting the HIV virus.
Answer:
The correct answer is - true.
Explanation:
Type I error occurs when the alternate hypothesis is accepted though it is false. A type II error is the failure to reject a false null hypothesis or an alternative hypothesis is rejected even though it is true.
For instance of type II errors: a blood test designed to detect the disease failing to detect the disease in a patient who really has the disease. In the given case vaccination not approved even though reduce the risk of contracting the HIV virus.
Thus, the correct answer is - true.
Reptiles are closely related to birds. Which of the following characteristics do birds and reptiles share?
Write the sequence of the RNA strand that would be complementary to the DNA
sequence shown below.
TACCGATGG
Answer:
AUGGCUACC
Explanation:
RNA has three nucleotides in common with DNA: A (Adenine), C (Cytosine), and G (Guanine). However, T (Thymine) in DNA is replaced with U (Uracil) in RNA. A pairs with U, T pairs with A, and C pairs with G and vice versa.
So, the sequence will go like this:
TACCGATGG (DNA)
AUGGCUACC (RNA)
Hope this helps.
The leading cause of peptic ulcer disease is currently believed to be infection of the stomach by a bacteria is called
A. Helicobacter pylori
B. Streptococcus
C, Helicobacter pyogens
D. Streptococcal pylorus
Answer:
A. Helicobacter pylori
hope this is the correct answer
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Answer:
The leading cause of peptic ulcer disease is currently believed to be infection of the stomach by a bacteria is called Helicobacter pylori.
Explanation:
An infection that develops from Helicobacter pylori bacteria is one of the most common causes of peptic ulcers. It’s not clear how an H. pylori infection spreads, but it is believed that it may be transmitted from person to person through close contact.
Hope this helps :)
Which behavior is an instinct?
A.pigeon begins visiting a local park to look for dropped crumbs.
B. A pet dog sits and waits for a treat after its daily walk.
C. A deer gets used to hikers walking by and stops running away.
D. A newborn piglet drinks its mother's milk.
An instinct is: D. A newborn piglet drinks its mother's milk
Answer:
D. A newborn piglet sticks it's mother's milk.
Explanation:
Because that is natural and all the others adapted to the other stuff, a piglet drinking it's mother's milk is natural.
About how much energy is transferred from a primary consumer to a secondary consumer?
90% of the original energy from the Sun
10% of the original energy from the Sun
10% of the primary consumer's energy
O 1% of the primary consumer's energy
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Answer:
90 percent of the original energy from the sun
Answer:
10% of the primary consumer's energy
Explanation:
17- Microorganisms which require 0-5.5 pH for the growth are:
A. Neutrophils
B) Acidophiles
C. Alkaliphiles
D. All of the above
E. None of the above
Acidophiles is the correct
Part of a forest area was cleared to build a road. What’s one possible consequence of this clearing?
A.
The rate of the growth of trees will increase.
B.
The population of herbivorous animals will increase.
C.
Animals will migrate to other places because they have less food and shelter.
D.
The frequency of forest fires will increase.
Answer:
Option C
Explanation:
Animals will migrate to other places because they have less food and shelter. Since the forest have been cleared, their habitat (where they lived) is no more and they have to move to another place in order to survive because there would be no more food for them here.
Answer:
The answer is option C.
Animals will migrate to other places because they have less food and shelter.
Hope this helps you
A phosphodiester bond is used to: A. join two glucose molecules. B. join two nucleotides into a polynucleotide. C. join glycerol to fatty acids. D. join two amino acids into a polypeptide.
To join two nucleotide in a polynucleotide, phosphodiester bond is used. The correct option is B.
What is phosphodiester bond?A bond formed by a sugar group and a phosphate group; these bonds make up the sugar-phosphate-sugar backbone of DNA and RNA.
A diester bond connects two different nucleotides to form the nucleotide polymers DNA and RNA.
Thus, the correct option is B.
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Which of the following statements best describes communication style versatility?
The early bird gets the worm.
You can t judge a book by its cover.
I cannot control you, but I can control myself
alf a loa better than none
Answer:
I cannot control you but I can control myself.
Explanation:
Communication style versality is the ability to identify and understand way or taste of communication and adapt to it in order to make people open and receptive to it there by creating intimate relationships with people.
The features of communication style versality is I cannot control you but I can control myself in the sense that I will have to understand different styles and communication preference, then adapt to it by controlling myself, in me controlling myself people will tend to be open and receptive to it and intimate relationships will be built. I can't control other people but I will have to control or work on myself.
What is the color of the rainbow
Answer:
VIOLET INDIGO BLUE GREEN YELLOW ORANGE RED
What is the difference between class and clade? Group and genus?
Answer:
is that genus is a rank in the classification of organisms, below family and above species; a taxon at that rank while clade is a group of animals or other organisms derived from a common ancestor species. a
AND
The main difference between species and genus is the taxonomic rankings that are used for biological classifications of organisms. Genus belongs to a ranking lower than family and above species, whereas species are organisms with similar characteristics that come below the Genus classification ranking.
Examine the data presented and find the statement that represents an inference or something rather than observation
Answer:
The correct option is D: The blemishes are cyclic in their appearance and disappearance.
Explanation:
The rest of the options given state an observation, as opposed to an inference, regarding the data on the chart. An observation is something you can just read off from the chart/given data, whereas an inference would be something you conclude based on what is being presented in front of you.
What can a person do to limit exposure to X-rays?
wear sunblock
avoid cigarette smoke
wear a protective vest avoid chemicals
X-rays are a form of indirectly ionizing radiation, and it can be really nocive to the humans health, so limiting the exposure is always a priority.
Here the correct option is wearing a protective vest.
-------------------------------------
X-rays are a form of radiation that is indirectly ionizing. Remember that ionization is what causes damage to our cells, so is better to avoid exposures to these types of radiation.
Now, X-rays are strong enough that they can penetrate a lot of common materials (like wood, plastic, etc.) And once it enters in your body, the chain of reactions that starts can't be stoped by external means.
So what you need to do is limit the exposure as much as you can. Ideally, you shouldn't be near a source of X-rays, but if there is no other option, you should use protection against radiation.
It comes in different forms depending on what the application is, for example, there are led screens that you can use to put between you and the source, and these will reduce drastically the fluence (flux of photons) that gets to you.
Similarly, there are protective vests also made in part of led or other high atomic number materials, that absorb the photons and protect you.
So here the correct option is to wear a protective vest, from the given options, is the only one that will protect you from the X-rays.
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Match the organelle to its function.
A) turgor pressure
B) ribosome production
C) support and flexibility
D) synthesis of complex polysaccharides
E) photosynthesis
F) synthesis of secretory proteins
G) detoxification of hydrogen peroxide
H) contains pigments in flowers
I) storage of hydrolase
J) boundary of the cell
K) protein synthesis
L) oxidation of sugars
M) cell shape and movement of organelles
N) information center
O) steroid synthesis
1) nucleus
2) mitochondrion
3) chloroplast
4) nucleolus
5) rough endoplasmic reticulum
6) smooth endoplasmic reticulum
7) extracellular matrix
8) cytoskeleton
9) chromoplast
10) Golgi complex
11) lysosome
12) peroxisome
13) central vacuole
14) ribosome
15) plasma membrane
Answer:
Explanation:
This involves organic present in plant cell and the functions of all these various organelles.
A) turgor pressure - Central vacuole
B) ribosome production - nucleolus
C) support and flexibility - cytoskeleton
D) synthesis of complex polysaccharides - Golgi complex
E) photosynthesis - chloroplast
F) synthesis of secretory proteins - rough endoplasmic reticulum
G) detoxification of hydrogen peroxide - Peroxisomes
H) contains pigments in flowers - chromoplasts
I) storage of hydrolase - lysosomes
J) boundary of the cell - plasma memebrane
K) protein synthesis - ribosome
L) oxidation of sugars - Mitochondrion
M) cell shape and movement of organelles - cytoskeleton
N) information center - nucleus
O) steroid synthesis - Smooth endoplasmic reticulum
What are the erosional and depositional features of a glacier?
Answer:
Glaciers cause erosion by plucking and abrasion. Valley glaciers form several unique features through erosion, including cirques, arêtes, and horns. Glaciers deposit their sediment when they melt. Landforms deposited by glaciers include drumlins, kettle lakes, and eskers.
Explanation:
Glaciers cause erosion by plucking and abrasion. Valley glaciers form several unique features through erosion, including cirques, arêtes, and horns. Glaciers deposit their sediment when they melt. Landforms deposited by glaciers include drumlins, kettle lakes, and eskers.
How did the research presented in the article affect scientists’ understanding of the evolution of eukaryotes.
Answer:
Archaea and eukaryotes are very closely related than bacteria and eukaryotes. because both archaea and bacteria responsible for the formation of more complex cells
Explanation:
It has been believed for many years that archaea and eukaryotic cells are genetically related to a developmental process that involves the production of eukaryotic cells by archaea development. At the same time, scientists believe that archaea have more to do with eukaryotic cells than bacteria. This is because research shows that bacteria are also closely related to eukaryotic cells, meaning that along with archaea, bacteria are part of the evolutionary process that makes up these cells.Many farm animals used for meat are given antibiotics to promote their growth. What effect would this have on antibiotic resistance through time?
Answer:
It can lead to increased incidence of drug resistant bacteria.
Explanation:
Many farm animals used for meat are given antibiotics to promote their growth. They are also given these antibiotics to treat certain diseases caused by pathogenic microbes such as bacteria.
The continual use of antibiotics will however lead to increased incidence of drug resistant bacteria present in the world at large due to the exposure of the bacteria to these drugs resulting in the formation of resistant species of the bacteria with time .
Do you agree or disagree with the argument that humans are fundamentally incapable, as a species, of living sustainably?
Answer:
I disagree because there are examples that contradict this assertion
Explanation:
In the last years, sustainable human development has been one of the most important challenges in order to avoid Earth's collapse. In accordance with this aim, many people around the world are learning to responsibility use natural resources and live in communion with ecosystems capable of providing the primary matter required for economic progress. Examples of human groups that learned to use the available resources in a sustainable way include isolated societies living in forest areas, which live independently from the external globalization phenomenon. Moreover, in many countries, the percentage of energy obtained from clean sources is progressively increasing year by year, thereby supporting the fact that human societies can live sustainably.
Which best explains the evolution of gymnosperm plants? They evolved at the same time as monocots and dicots. They evolved after the seeded flowering plants. They evolved after the seedless vascular plants. They evolved before the seedless nonvascular plants.
Answer:
They evolved after the seedless vascular plants.
Explanation:
The gymnosperms were the first seed plants to have evolved some about 382.7 million to 358.9 million years ago in the Devonian period. They were the ancestor of the seed plants like the heterosporous, earlier gymnosperms were pteridosperms or seed ferns. The vascular plant's particular ferns consist of tissues that don't make flowers or seeds but have unicellular pores.Answer:
the answer is C- They evolved after the seedless vascular plants.
Explanation:
What must occur for protein translation to begin? A water molecule must be added to the protein chain. A peptide bond must form between subunits of mRNA. The amino acid Cys must be picked up by tRNA. The codon AUG must be identified.
For protein translation to begin, the codon AUG must be identified.
PROTEIN SYNTHESIS:
Protein synthesis is the process whereby living organisms synthesize proteins using the information stored in their DNA. Protein synthesis involves transcription and translation. Transcription occurs in the nucleus where DNA is used as a template to synthesize mRNA. Translation occurs in the ribosome where mRNA transcript is used to synthesize amino acid sequence. During translation, mRNA codons are read and binded to by the anticodons of a tRNA molecule.However, for translation to begin, a specific mRNA codon called START CODON with the sequence: AUG must be identified first.
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Answer: The correct answer is The codon AUG must be identified.
Explanation: Confirmed correct. :)