Answer:
ribs
Explanation:
Layer of meninges which is in contact with the spinal cord is called
A dura mater
B pia mater
C arachnoid mater
D corpora quadrigemina
Option B: Pia mater is the layer of meninges which is in direct contact with the spinal cord.
Your brain's surface and the surface of your spinal cord are securely bound together by a thin layer called your pia mater, which is the innermost layer. This layer is perforated by numerous blood arteries that deliver blood to the brain region. It aids in keeping cerebrospinal fluid contained. The pia mater in your spinal cord aids in keeping the cord rigid.
Your brain and spinal cord (central nervous system) are covered and protected by three membrane layers called meninges. The dura mater, arachnoid mater, and pia mater are three membranes that wrap and protect your brain. They also serve as a support system for lymphatics, blood vessels, neurons, and the cerebrospinal fluid that surrounds your central nervous system.
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Identify events that contribute to the termination of a response in the GPCR, or 7TM receptor, pathway. Select all that apply.
1. G? dissociates from the G?? subunits.
2. The ligand dissociates from the receptor, which resumes its inactive conformation.
3. The receptor is inactivated by phosphorylation of Ser or other residues on its intracellular domain.
4. G? releases GDP and binds GTP.
5. G? hydrolyzes GTP to GDP and Pi.
The events that contribute to the termination of a response in the GPCR (7TM receptor) pathway are: Gα dissociates from the Gβγ subunits. The ligand dissociates from the receptor,
which resumes its inactive conformation.
The receptor is inactivated by phosphorylation of Ser or other residues on its intracellular domain.
Gα hydrolyzes GTP to GDP and Pi.
Therefore, the correct events that contribute to the termination of a response in the GPCR pathway are 1, 2, 3, and 5. Event 4, "Gα releases GDP and binds GTP," is not a correct statement as it does not contribute to the termination of the response, but rather represents the activation of Gα by binding to GTP, which is an initial step in the pathway.
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HELP pls will mark you the brainliest
Answer:
The boys had 6 with black hair, 3 with blonde hair, 0 with red hair, and 6 with brown hair
Explanation:
This seems like the best conclusion out of all of the other options
The hero has something that sets her apart from others at the beginning. * A. The Temptation B. Crossing the Threshold C. An Unusual Birth/Early Childhood D. The Return Home
Answer: c
Explanation: you can notice she is special unlike others she has something unic. btw this belongs to inglish clas not biology sorry to break it up to you
Answer:
The Answer is C.
Explanation:
It makes more sense than the other answers...right? look at it. see it now?
Which of the following is a part of an ATP
molecule?
A. ribosomes
B. spindle fibers
C. 2-carbon sugars
D. 3 phosphate groups
Answer:
its going to be D . 3 phosphate groups
Explanation:
Elevation and Red Blood Cell Count
It is hypothesized that runners who live "high" and train "low" have higher EPO and RBC counts. Below is the data to predict the RBC count based on the living elevation of various Olympic athletes.
a = 6.06
b = .00067
Find the following athlete's RBC count (in uL's) based on their housing elevation of 1400 meters
Select one:
a. 6.998 uL's
b. None of the answers provided
c. 8484.067 uL's
d. 6.067 uL's
To find the athlete's RBC count (in uL's) based on their housing elevation of 1400 meters, we can use the given equation:
RBC count (in uL's) = a + b * elevation
Substituting the values provided:
a = 6.06
b = 0.00067
elevation = 1400
RBC count = 6.06 + 0.00067 * 1400
RBC count = 6.06 + 0.938
RBC count ≈ 6.998 uL's
Therefore, the athlete's RBC count based on their housing elevation of 1400 meters would be approximately 6.998 uL's.
The correct answer is:
a. 6.998 uL's
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One limitation of Armando’s model is that all the water enters the model from one source: the water tank. Explain why this is a limitation of the model.
Answer:
No other source of water is used for this model.
Explanation:
All the water enters the Armando’s model from only one source and that source is the water tank. This is considered as a limitation of the Armando’s model because only water tank source is used in this model and no other source is compatible with this model so that's why this water source is considered as limitation of this Armando’s model.
Define ecological succession.
Answer:
the process by which the structure of a biological community evolves over time
Explanation:
Answer:
the process by which the structure of a biological community evolves over time. Two different types of succession—primary and secondary—have been distinguished.
Explanation:
A mutation in a gene results in a defective protein that is smaller than the normal, functional one. The mutation is probably a result of.
The DNA sequence of a gene is altered to generate a different result, which is known as a genetic mutation.The DNA sequence of that gene is permanently altered.For humans to develop, which is the process of change over a number of generations, genetic variances are crucial.In one person, a spontaneous genetic mutation takes place.
What causes mutation?Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can. Cystic fibrosis, hemophilia, and sickle cell disease are examples of hereditary mutations.Throughout a person's life, further mutations may occur on their own.Spontaneous, sporadic, or novel mutations are the terms used to describe them.Only a few cells are affected. Mutations that are harmful can result in cancer or genetic diseases.A genetic disorder is a condition brought on by a change in one or more genes.Cystic fibrosis is a human example.A single gene mutation causes the body to create thick, sticky mucus that obstructs digestive organ ducts and clogs the lungs. There are certain point mutations that actually change the amino acid that the codon specifies.A nonsense mutation or a missense mutation may result from these point mutations.When the replacement creates a codon for a different amino acid, it is known as a missense mutation. Errors in DNA replication or the harmful effects of mutagens, such as chemicals and radiation, which react with DNA and alter the architecture of individual nucleotides, are the two main causes of mutations.DNA repair enzymes are present in all cells and work to reduce the frequency of mutations.To learn more about mutation refer
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What are two things that interfere with an enzyme’s ability to speed up a reaction?
The two things which interfere with an enzyme's ability to speed up a chemical reaction are the temperature and pH condition.
What is Enzyme activity?The enzyme activity refers to the number of moles of the product which are formed per unit of time. The enzyme activity and the concentration of the enzyme can help in determining the specific activity of the enzyme in a reaction. The specific activity is the ratio of the enzyme activity to the concentration of enzyme.
Several factors which affect the rate at which enzymatic reactions proceed include temperature, pH, enzyme concentration, substrate concentration, and the presence of inhibitor molecules or activators.
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Explain how reproduction take place in mustard plant
Answer:
It is a winter plant that inseminates very quickly at high temperatures.
Explanation:
Mustard is an annual plant. Its root is spindle-shaped, well developed, and the stem is erect, branched, small, 50-90 cm high. The lower leaves are larger with a stalk, and the upper ones are smaller sitting. Mustard blooms in late May and early June.
The fruit ripens in the second half of July. The flowers are yellow, fragrant, very honey-bearing with a lot of pollen powder, and are collected in clustered inflorescences. They are pollinated by insects.
The fruit of the mustard is a cylindrical shell, hairy, 2-5 cm long, and about 5 mm wide. The growing season of mustard is 110-130 days.
my grandmother takes a prescription drug that dilates her arterioles. what does this do to her blood pressure? why? multiple choice it falls because this decreases the cross-sectional area of the vessels. it rises because this decreases the cross-sectional area of the vessels. it rises because this increases the cross-sectional area of the vessels.incorrect it stays the same because venules, not arterioles, control blood pressure. it falls because this increases the cross-sectional area of the vessels.
If the prescription dilates the arterioles, then the blood pressure would: option E: it falls because this increases the cross-sectional area of the vessels.
By relaxing the smooth muscle in blood arteries, a medication that dilates arterioles can lower blood pressure by causing the capillaries to expand. As a result, the heart doesn't have to work as hard to pump blood through the veins since it flows more smoothly. Some hypertension medications, such calcium channel blockers, also cause blood vessels to enlarge.
Vasodilators are medications that cause blood vessels to dilate. (dilate). They affect the artery and vein lining muscles, preventing tightening and constriction of the walls. Blood is able to flow through the vessels more readily as a result. Reduced cardiac effort results in lower blood pressure.
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Correct question is:
My grandmother takes a prescription drug that dilates her arterioles. what does this do to her blood pressure? why? multiple choice
it falls because this decreases the cross-sectional area of the vessels.
it rises because this decreases the cross-sectional area of the vessels.
it rises because this increases the cross-sectional area of the vessels.
it stays the same because venules, not arterioles, control blood pressure.
it falls because this increases the cross-sectional area of the vessels.
What can one infer from a relatively linear survivorship curve. and what organism generally exhibits this kind of survivorship curve?
A) the mortality rate is roughly uniform across the lifespan of this organism; bird.
B) the mortality rate is higher for older members of this population; humans.
C) the mortality rate is higher for younger members of this population; oak tree.
Over the course of this organism's lifecycle, the death rate is essentially constant; bird
What is the definition of mortality rate?Rate of mortality. A mortality rate is a measurement of the frequency of deaths within a population over a specific time period.
Why is there a high death rate?The proportional frequency of deaths in a given population over a given period of time; frequently expressed as the proportion of human fatalities during a public health emergency or the number of wildlife fatalities as a result of environmental hazards: During the most recent flu season, patients over the age of 80 had the greatest fatality rate.
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A calorie is a _____________________.
Answer: b: measure of the amount of energy that a food provides.
Explanation: The body needs calories as to perform its functions, such as breathing, circulating the blood, and physical activity.
Answer:
B
Explanation:
because it measures the amount of energy you ate the amount of food provides
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s183960
aerobic fitness is how well the body transports and utilizes _______ for energy.
Answer: Oxygen
Explanation: There's no explanation to go with the answer, sorry.
PLEASE HELP !!
The fact that the P-Glo gene from a jellyfish can be taken and inserted into bacteria, and the bacteria will glow, is proof that ___
A. The gene regulation for glowing is regulated by jellyfish.
B. Bacteria have a gene that hides their natural glow.
C. There is a universal genetic code common to all organisms including jellyfish and bacteria.
D.Jellyfish naturally cause a glow in bacteria when they are near each other.
Take a look it's C
The fact that the P-Glo gene from a jellyfish can be taken and inserted into bacteria, and the bacteria will glow, is proof that there is a universal genetic code common to all organisms including jellyfish and bacteria. This is possible because the genetic code is the same for all living organisms on Earth, from bacteria to humans. The P-Glo gene codes for a protein called green fluorescent protein (GFP), which glows when exposed to blue light. This discovery has revolutionized molecular biology and has allowed scientists to study gene expression in real-time.
D.Jellyfish naturally cause a glow in bacteria when they are near each other.
7 points for each answer plus a brainliest (picture of the chart shown)
Sophia discovered two objects in space with the help of her telescope. She noted down the characteristics of the objects in the chart below.
Which of these statements is most likely correct about Object 1 and Object 2 discovered by Sophia?
A. Object 1 is an inner planet and Object 2 is a comet.
B. Object 2 is an inner planet and Object 1 is a comet.
C. Object 1 is an outer planet and Object 2 is an asteroid.
D. Object 2 is an outer planet and Object 1 is an asteroid.
Answer:
C. Object 1 is an outer planet and Object 2 is an asteroid.
Explanation:
While inner planets can have moons, many moons are a more common feature of outer planets (ex. Jupiter has 79 moons, while Mars has 2). Plus, moons don't orbit asteroids or comets since moons are usually larger. This rules out any of the options involving Object 1 being an inner planet, comet, or asteroid. As for object two, both an asteroid or a comet would make sense as they both have irregular shapes. The only answer that has Object 1 as an outer planet is C. Also Object 1 has rings, which shows that it's an outer planet.
Provide one biotic factor that could increase the deer population's carrying capacity. Explain why this biotic factor would increase the carrying capacity.
Congenital analgesia is a rare autosomal recessive trait. What is the likelihood that the first two offspring of a cross between two unaffected parents heterozygous for the congenital analgesia trait will have congenital analgesia
The likelihood that the first two offspring of the cross will have congenital analgesia would be 1/16
Autosomal Recessive TraitsFor autosomal recessive traits, two recessive alleles are needed for the trait to manifest while one recessive allele means heterozygosity.
In this case, let us assume that congenital analgesia is represented by the allele b; heterozygous individuals will, thus, be Bb.
Bb x Bb
BB Bb Bb bb
Probability of producing unaffected offspring = 3/4
Probability of producing affected offspring = 1/4
Likelihood of the first two offspring having congenital analgesia = probability of first having congenital analgesia and the second having congenital analgesia
= 1/4 x 1/4
= 1/16
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6. Which of the following would not be a characteristic of a country on the least developed countries list?
A. Extremely poor nutrition, health, and education
B. Extremely high poverty levels - making about $2.00 per day
C. Distinct developmental progress
D. Aided by the UN financially
Answer:
C. Distinct Developmental progress
Explanation:
countries that are the least developed wouldn't be focusing on development. the other answers would make no sense. poor countries need the other stuff
What can cause an earthquake?
A.buildup of magma
B. hard collisions between tectonic plates
C.extreme rock deformation
D.buildup of pressure between tectonic plates
I NEED HELP ASAP
Answer:
B: Hard Collisions Between Tectonic Plates
Explanation:
what are some important factors to consider when setting up your pcr reactions?
Answer:
Factors Affecting the PCR:Denaturing Temperature and Time: ...Annealing Temperature and Primer Design: ...Primer Length: ...Degenerate Primers: ...Elongation Temperature and Time: ...PCR Reaction Buffer: ...Cycle Number: ...Helix De-stabilisers / Additives:Explanation:
Hope this helped!
Which compares prokaryotes and eukaryotes?
Prokaryotes have DNA, and eukaryotes do not.
Eukaryotes have DNA, and prokaryotes do not.
Prokaryotes are multi-celled, and eukaryotes are single-celled or multi-celled.
Prokaryotes are single-celled, and eukaryotes are single-celled or multi-celled.
Answer:
C. Prokaryotes are multi-celled, and eukaryotes are single-celled or multi-celled.
Explanation:
took the unit test review on edge
Answer: D.) Prokaryotes are single-celled, and eukaryotes are single-celled or multi-celled.
Explanation: eukaryotes can be unicellular. most protists are single-celled eukaryotes!
Why do grasshoppers blend with the grass or bush?
What happens to object if it based by forces f1, f3 f4, and f5, at the same time
An object will react to numerous forces acting on it simultaneously by either remaining still, moving at a steady pace, or accelerating. The precise result depends on how the forces interact.
The object won't move or keep moving if the forces balance one another out. The object will begin moving or alter its present motion in the direction of the larger force, though, if the forces are out of balance.
When an object is under the influence of several forces at once, the forces will interact to create a net force. The net force is calculated by vectorially summing the component forces while accounting for their strengths and directions.
The object will, however, accelerate if the net force exerted on it is not zero. The object will move in the direction of the net force, and the total force exerted on it will decide how the thing moves.
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Which of the following is one of the Four Goals of Chronic Disease Prevention?
Group of answer choices
Reduce susceptibility to disease
Improve herd humanity though vaccination programs
Alleviate the severity of disease
Improve health outcomes by increasing physician quality measures.
Answer :
Alleviate the severity of disease
Does anyone know this?
Answer: The correct answer is zygote...blastocyst...embryo...fetus.
Explanation:
The zygote is the single cell that was the result of fertilization.
The blastocyst is the big ball of cells that was the result of differentiation and mitosis.
Then comes the embryo, and then finally, the fetus.
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Which features are unique to insects as compared to birds?
A.) bilateral symmetry and sexual reproduction
B.) antennae and exoskeleton
C.) sexual reproduction and nervous system
D.) exoskeleton and bilateral symmetry
Answer:
B, exoskeleton and antennae
Explanation:
I took vet prep, we learned about this. The bilateral symmetry is when you take two half's of an organism and each side looks the same. Both are like that with a bird and an insect is the answer is B.
Answer:
B.) antennae and exoskeleton
Explanation:
Which instrument is best suited for measuring the dimensions of a shoebox?
a triple-beam balance
a volumetric flask
a ruler
a caliper
Answer:
a ruler
Explanation:
I say A ruler because think how small a shoebox is a shoebox is not that big so you would measure it with a ruler
11. Look at the figure above. Which atmospheric layer has around 80 percent of the mass of the earth's atmosphere? (Hint: It's where the clouds seen on Earth
are formed.)
--
O A. Stratosphere
OB. Exosphere
C. Troposphere
D. Thermosphere
Answer:c)
troposphere
Explanation:
Bz it is closest to plant
Answer:
troposphere
Explanation: