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lilavasa [31]
2 years ago
9

Will mark brainliest if the answer is correct: ""how does the presence of reptilian and mammalian nephrons provide evidence for

the relatedness of birds and other vertebrates?""
Biology
1 answer:
Varvara68 [4.7K]2 years ago
3 0

Answer:

Nephrons in birds, mammals, and reptiles are all extremely similar, more so than other structures in the bodies of different species, solidifying the relatedness through similarity.

Explanation:

Birds can be said to have "mammal-like" nephrons from the number of loops and overall structure of their kidneys, which, although they look very different, serve the same purpose and do it in largely the same way. Reptiles also have mammal-like nephrons, and it can be assumed that this evolutionary trait was kept because the specific structure of the nephrons is generally the most efficient.

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Human cells obtain energy from a reaction called cellular respiration. balance the skeletal equation for cellular respiration. c
Softa [21]
<span>C6H12O6 + O2 -> CO2 + H2O + energy, otherwise expressed as glucose plus oxygen converted into carbon dioxide plus water plus energy. It includes glycolysis, the Krebs Cycle, and oxidative phosphorylation to properly balance. The finished equation should look like this: C6H12O6 + 6O2 -> 6CO2 + 6H2O + energy</span>
5 0
4 years ago
Paul ekman and walter friesen traveled to new guinea to study the meaning of various facial expressions in the primitive south f
konstantin123 [22]

The conclusion they reached was that the six major emotional expressions appear to be universal.

<h3>What are facial expressions?</h3>

Facial expressions are the various movement of the face that shows the emotional state of an individual.

The six major emotional expressions are :

  • anger,

  • happiness,

  • fear,

  • surprise,

  • disgust and sadness.

These are be expressed by any individual in any part of the world.

Therefore, the conclusion they reached was that the six major emotional expressions appear to be universal.

Learn more about emotion here:

brainly.com/question/4692301

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4 0
2 years ago
Why is it essential that the regulatory mechanisms that activate glycogen synthesis also deactivate glycogen phosphorylase?
Marta_Voda [28]

Answer:

There are two pathways occur in the same cellular compartment, and, if both are on at the same time, a futile ATP hydrolysis cycle results. Using the same mechanism to turn them on/off or off/on is highly efficient.

- "Glycogen Phosphorylase" activity can be allosterically controlled ATP and G6P allosteric inhibitors, AMP allosteric activator as well as, controlled through covalent modification, phosphorylation and via hormones.

- Reaction Catalyzed by Glycogen Synthase:

The activity of glycogen synthase is subject to the same type of covalent modification as glycogen phosphorylase, however, the response is opposite. Glycogen Synthase is activated by G6P. It is also controlled via hormones.

5 0
3 years ago
d. What is the general term for organisms that live in soil and fallen leaves on the forest floor? What is one example of them?
Ivanshal [37]

Answer:

Edaphon, Leaf litter and earthworm

Explanation:

  1. Edaphon is the general term used to reffer to the animals and plants present in the soil.
  2. On the other hand, there is not only one name for the fallen leaves on the forest floor. It could be either plant litter, leaf litter or even tree littler. Although the name suggests it is only leaves, this <u>plant litter</u> could include leaves, barks and twigs that can fall off a tree.
  3. The edaphon its made up of thousands of organisms including a huge number of bacteria, fungi, and arthropods. A good example of organisms living in the soil is an earthworm. Earthworms crawl through the soil feeding from it, digesting part of the organic material and fertilizing it with their excrement.

7 0
3 years ago
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Any property that describes how a substance reacts with another substance when forming a new substance. The behavior of a substa
forsale [732]

Any property that describes how a substance reacts with another substance when forming a new substance is the Property of Reactivity .

Explanation:

The ability of substance to readily react with other substance to produce new product is called as reactivity.

It describes about different methods used by the reactants to form new product.

Sometimes one single reactant gives rise to two different products as in splitting of water during which the following reaction takes place:

H_2 O →2H_2 + O

On contrary, two substance combines together to give rise to one single product as:

2 Mg + O_2  →2MgO

8 0
3 years ago
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