The vasa recta have the net effect of concentrating solutes in the interstitial fluid of the renal medulla.

a. True
b. False

Answers

Answer 1

It is true, the vasa recta have the net effect of concentrating solutes in the interstitial fluid of the renal medulla.

The capillary networks which supply blood to the medulla, known as the vasa recta, are highly permeable to solutes and water. The vasa recta, like the Henle loop, forms a parallel set of hairpin loops inside the medulla. The vasa recta not only transports oxygen and nutrients to the medullary nephron segments, but they also remove the water but instead solute that these nephron segments continuously add to the medullary interstitium

Flow determines the ability of a vasa recta to maintain this same medullary interstitial gradient. The medullary gradient is dissipated by a significant increase throughout vasa recta blood flow. Reduced blood flow, on the other hand, reduces oxygen delivery to a nephron segments within in the medulla.

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Related Questions

A. GUC
B. CGU
C. UCG
D. UGU

Answers

Answer:

A

Explanation:

it'll go GUC➡️CAG➡️GUC

When a person is suddenly cut by a sharp object, a nervous impulse is sent along a sensory neuron to the spinal cord. The impulse is immediately transmitted through motor neurons to produce a response. Which of the following correctly identifies and describes this response?
A.It is a leamed response that does not occur in infants and small children
B. It is a reflex response that causes various muscles to contract in order to move away from the object.
C.It is a conditioned response that occurs only to prevent injury!
D. It is a voluntary response that is initiated only after the impulse has been caried to the relevant area of the brain.​

Answers

Answer:

B. It is a reflex response that causes various muscles to contract in order to move away from the object.

Explanation:

I just took the Test

It is a reflex response that causes various muscles to contract in order to move away from the object. Therefore, option (B) is correct.

What is reflex response?

A reflex response is an automatic, involuntary response to a stimulus that does not involve the conscious part of the brain. In this case, the reflex response causes various muscles to contract in order to move away from the sharp object, which helps to minimize further injury. Reflexes are a protective mechanism that can operate without the need for conscious control or decision making.

The reflex response described in this scenario is not a learned response, a conditioned response, or a voluntary response. It is an innate, automatic response that occurs in response to a specific stimulus, and it occurs in both infants and adults.

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Which of the following is not a product or use of tropical rainforests?
a.
food
b.
medicine
c.
tourism
d.
none of the above


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer:

D

Explanation:

Trees give food

Tourist come to see trees sometimes

Medicine sometimes comes from tree herbs

That's all I know..hope it helps

Answer:

its d guys !

Explanation:

Sides of a DNA molecule are made up of sugar molecules alternating with phosphate molecules true or false

Answers

yes the statement is absolutely correct

When it is summer in the southern hemisphere, what season is it in the northern hemisphere

A. Fall
B. Winter
C. Spring
D. Summer​

Answers

Answer:

Winter

Explanation:

Answer:

Winter

Explanation:

Just took the quiz

The reticular formation ________.
A) sets the rate of respiratory movements
B) contains nuclei and centers that regulate vital autonomic nervous system functions
C) relays somatic information to the ventral posterior nuclei of the thalamus
D) regulates heart rate and force of contraction, and distribution of blood flow
E) relays information from the spinal cord, the red nuclei, other midbrain centers, and the cerebral cortex to the vermis of the cerebellum

Answers

Answer:

B) contains nuclei and centers that regulate vital autonomic nervous system functions

Explanation:

The correct option is - B) contains nuclei and centers that regulate vital autonomic nervous system functions

Reason -

The reticular formation contains nuclei and centers that regulate vital autonomic nervous system functions.

HELP!!!! 50PTS!!!!! WILL BE MARKED BRAINLIEST!!!!

Adaptive radiation is often seen after which of the following events? (4 points)
Mass extinctions
Sexual selection
Genetic drift
Founder effect I think is A

Answers

Answer:

genetic drift I'm pretty sure

Explanation:

have an amazing day!!!!!!!

Answer:

mass extinctions

Explanation:

Earth is made up of
layers.

Answers

Answer:

multiple different layers and that's how we also have different types of rocks like sedimentary

A variegated leaf with green and yellow patches is used for an experiment to prove that chlorophyll is required for photosynthesis. Before the experiment the green portions (A), and the yellow portions (B), arte observed. What will be the colour of „A‟ just before and after the starch test? Also write the equation of photosynthesis and mark, well ash molecule the by-product is obtained.

Answers

Answer: The colour of A before the starch test is GREEN while after the starch test is BLUE- BLACK. The equation for photosynthesis is

6CO2 + 6H2O → C6H12O6 + 6O2.

Explanation:

PHOTOSYNTHESIS is the process by which green plants use energy from sunlight to manufacture their own food. It is a building up process since simple inorganic compounds such as carbondioxide and water are built up into large organic compounds such as glucose and OXYGEN is given off as a by product.

Oxygen given out in photosynthesis occurs in the light stage during the process of photolysis of water. This occurs when the chlorophyll traps, absorbs and captures light energy and become energised. The energised chlorophyll supplies energy which is to split molecules of water into hydrogen ion ( H+) and hydroxyl ion ( OH-). The hydroxyl ion is reconverted to water and oxygen is given out as a by product.

To show that chlorophyll is NECESSARY for photosynthesis, a variegated leaf with green and yellow patches is used for an experiment.

The green portion is marked A and the yellow portion marked B. The leaf is tested for starch using the procedure below:

--> place leaf in boiling water for half a minute to kill it.

--> decolorize leaf by placing it in hot alcohol.

--> dip decolorize leaf in hot water to soften it.

--> place leaf on tile and add iodine solution to it.

RESULT: It would be found that only the green parts contain starch as blue+black colouration is observed while yellow area is unaffected by iodine.

Which will diffuse easily in the cell membrane: Molecules that are lipids or molecules that are ionic (charged).

Answers

Answer: Molecules that are lipid soluble because the cell membrane is a phospholipid bilayer.

Explanation:

Which condition is NOT a requirement of the Hardy-Weinberg equilibrium?
A. No mutations in a population
B. No net migration of alleles into or out of the population
C. Sexually reproducing and randomly mating in a population
D. Small population with genetic drift

Answers

D; Hardy- Weinberg requires a very large population size so that genetic drift can be insignificant.

Answer:

D since people need to produce more, producing in a small population with genetic drift is not a requirement Hardy Weinberg equilibrium

Son Órganos que desempeñan la misma función, pero tienen una constitución anatómica diferente, hablamos de

Answers

Answer:

órganos análogos

Explanation:

Los órganos análogos son aquellos que cumplen la misma función (o similares funciones), pero no poseen un origen evolutivo en común. Por otra parte, los órganos homólogos son aquellos que poseen un origen evolutivo común (es decir, derivan de un ancestro en común). Los órganos análogos pueden ser distinguidos durante desarrollo embrionario ya que ellos experimentan diferentes mecanismos para su formación. Estos órganos (análogos) han experimentado evolución convergente, es decir, representan estructuras similares las cuales han evolucionado a partir de organismos que no tienen un antepasado en común. Un ejemplo de órgano análogo es la presencia de alas en murciélagos y abejas.

*PLEASE ANSWERR!!*
What is the second step in fieldwork for marine science?

a.) presentation

b.) analysis

c.) collection

Answers

Answer:

its b

Explanation:

I hope this help

Mmm

what did Rosalind franklin discover about DNA

Answers

That DNA was made up of two chains of nucleotide pairs that encode the genetic information of all living things

27)
Natural selection produces changes most quickly in
A)
species with short reproductive cycles
B)
complex multicellular organisms
C)
individuals that produce a small number of offspring
D)
individual pathogens killed by antibiotics

Answers

Answer:

A) species with short reproductive cycles

A) species with short reproductive cycles

This is because these organisms will have more chances to have mutations if more births are happening

Help will mark brainiest

Answers

Answer:

Amino acids are the building blocks of proteins

There are many possibilities that could happen if the sequence of amino acids were to change. It could potentially create a completely different protein with a different function, or it could create a more efficient protein but this is less likely.

Explanation:

10. Explain why the feel of gypsum and talc can be used to distinguis
between the minerals?

Answers

Talc has a score of 1, and gypsum has a score of 2, which makes these two minerals similar and difficult to differentiate between. Feel both pieces of rock for how slippery they are. If the rock is slippery, it may be talc. If the rock isn't slippery it may be gypsum.

GIVING 100 BRAINLY POINTS AND BRAINLEST.

Part A Cut a 7-inch-diameter circle out of card stock. Draw a spiral on the circle as shown. Next, use the scissors to cut along the lines you drew starting on the outside and ending in the center. Use the hole punch or scissors to make a hole at the middle of the spiral and attach the thread with a knot. Tie the other end of the thread loosely around the center of the stick so you can suspend the spiral in the air. Fill the pot with 2 inches of water. Heat the water until it boils, and then turn off the heat source. Let the pot sit for 4 minutes. Holding the ends of the stick with the spiral attached, position the bottom of the spiral right above the top of the pot so it’s not touching the water. Describe what happens.

Answers

Answer:

the spiral stick wouldnt be wet because it isnt touching the water, so therefore the sprial stick wouldnt be hot because it isnt touching the water.

Explanation:

Answer: yeah it’s 50.

Explanation:

What is the relationship between photosynthesis and respiration?
A Photosynthesis produces water, while respiration does not. .
B. Respiration requires sunlight, while photosynthesis does not.
C. Photosynthesis produces oxygen, and oxygen is required for respiration
D. Respiration produces glucose, and glucose is required for photosynthesis iser​

Answers

Answer:

c.

Explanation:

That be your answer mate.

Answer:

the correct answer is c

Explanation:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

A.Bacteria and mold
B. deer
C.grasses
D.mountain lion
Please help

Answers

Either A or C I believe

state two features in the nephron that facilitate ultrafiltration​

Answers

Answer:

The glomerulus is a knot of cappilaries inside the Bowman's capsule. ... Podocytes are cells that have 'foot-like extensions' which are wrapped around a capillary. This increases the surface area for filtration.

Explanation:

What are the similarities and differences between a nerve cell and a typical animal cell?

Answers

Answer:

Hi Rudaba

Where r u from ??

I am Ahaana

Cells are the structural and functioning units of all living organism. They formed the foundation all living organism.

Based on location and functions, there  are different types of cells. Because some cells transfer messages from one part of the body to another, they are have a head like structure(the cell body) and a  a long pipe shaped structure (axon) and with branches at the end ( dendrites) .These cells are nerve cells. They are located in the CNS  and PNS.

Other cells on animals have almost the same shape with some variations.

Similarities.

Both contains Nucleus, mitochondria

Both contains fluid inclusion called cytoplasm where all organelles,

Both bounded  layer of cell membranes to restrict movement  the cells organelles and to give shapes.

Differences;

Typical animals cells are of different colors based on location in organs .But

nerve cells  are made of the grey color ( granules) of the cell body and white color of the axon. This is uniform for all nerve cells.

Animal cells performs different functions in animals based on location, but nerve cell is for transmission of impulses and action potential only.

Animal cells undergo regeneration after death or damage. The Regeneration of  nerve cells is slow or not possible in most cases. This is the reasons why most neurological disease are incurable.

Animal cells are made up of three distinct parts: the cell membrane, cytoplasm and the nucleus. Cell body, axon and dendrite are the parts of a nerve cells.

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6. The absorbed dose of electrons is 50 mrad. What is the equivalent dose in J/kg?
O 5.0 x 10-4 g/kg
500 J/kg
5.0 x 10-3 J/kg
50 J/kg

Answers

Answer:

5.0 x 10-4 g/kg

Explanation:

This is because

I mrad is equivalent to 1/100,000j/kg

Therefore,

To convert 50 mrad to j/kg

= 50/100,000

= 5 × 10^-4j/kg.

Millirad is a decimal unit or rad which is the unit for measuring absorbed ionization radiation.

2. What are the steps of the dichotomous key?

Answers

Answer:

1.list down the characteristics

2.Organnize the characteristics in order

3.divide the specimens

4.divide the specimens even further

5.draw a dichotomous Key diagram

6. test it out

PLEASE HELP

Which of the following is the best example of gene flow?

Wind blows pollen from one population of plants to another, and cross-fertilization occurs.
An earthquake results in the formation of a canyon, splitting a population of toads apart.
Genes are shuffled by the crossing over of chromosomes during meiosis.
A small population of humans colonizes a newly formed island.

Answers

Answer: Wind blows pollen from one population of plants to another, and cross-fertilization occurs. brainliest?

Explanation:

The best example of gene flow is Wind blows pollen from one population of plants to another and cross-fertilization occurs.

What do you mean by pollination?

A pollinator is anything that helps carry pollen from the male part of the flower (stamen) to the female part of the same or another flower (stigma).

Self-pollination is the transfer of pollen from the anther to the stigma of the same flower.

Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different.

Thus, option A is correct, as pollination leads to fertilization which involves the gamete's interaction.

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I NEED HELP ASAP DUE IN 10 MINUTES
The herbivores in the forest don’t consume this low-growing invasive plant because they mistake it for a similarly shaped toxic plant in the forest. The invasive plant needs a lot of room to grow. It sprouts from its seeds much earlier than the native species. What effect can its growth have on the native herbivores’ food supply?

Answers

Answer:

It could grow at such an extrem erate that it could use up all natural resources that the native species needs to survive. thus breeding out all native species and becoming a invasive species. The native species the animals eat now does not exist and the animals that needed that food will decrease drastically in populus.

Explanation:

b) How does adaptation affect the survival of a species? Why?

Answers

In evolutionary theory, adaptation is the biological mechanism by which organisms adjust to new environments or to changes in their current environment. This enables better survival and reproduction compared with other members of the species, leading to evolution.

Explanation:

If you want more info, you can check out this site. It is safe and secure.

https://www.nationalgeographic.org/encyclopedia/adaptation/

which of the following properties of water are essential for life on Earth?​

Answers

Answer:

Option D

Explanation:

Complete question

which of the following properties of water are essential for life on Earth?​

A) polarity

B) Cohesion & Adhesion

C) High heat capacity

D) All the above

Solution

Some essential properties of water are as follows –  

a) Polarity

b) Solvent

c) High heat capacity - it is essential to maintain the temperature on earth. The water bodies are comparatively cooler than the temperature of earth

d) High heat of vaporization

e) Cohesion – It is essential for surface tension & capillary action

f) Adhesion – It is essential for surface tension & capillary action

g) Lower freezing density – Due to this reason, ice is lighter than water

Hence, option D is correct

Why do the planets and other celestial objects in our solar system revolve around the Sun?

Answers

Answer:

The Sun's great mass and gravitational pull

Explanation:

which of these is a plantation crop?
a)Coffee
b)Tea
c)Spices
d)All of these

choose one​

Answers

Answer:

D) All Of These

Explanation:

Tea, Coffee, and Spices are a plantation crop.

Answer:

the right answer is D all of these

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