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frosja888 [35]
3 years ago
14

Piaget believed that _________ are schemes reflecting an infant's repetition of interesting or enjoyable actions that focus on t

he infant's own body. An example of this might be an infant putting its thumb in its mouth and sucking.
Biology
1 answer:
Semenov [28]3 years ago
7 0

Answer: Primary circular reactions.

Explanation: Primary circular reactions according to Piaget involve activities which makes the infant focused on its own body, while secondary circular reactions involve activities where the infant's actions relate to the outside world, and are both enjoyable, and repeated.

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Cerebrospinal fluid is produced by the
nikklg [1K]

Answer: Option A "Choroid plexus".

Explanation:

Cerebrospinal fluid can be defined as the fluid that is found in the brain and spinal cord of human beings. It is a clear and colorless fluid.

The production of cerebrospinal fluid takes place by the specialized ependymal cells that lies in the choroid plexuses which is present in the  ventricles of brain.

The amount of cerebrospinal fluid in a day is 500mL. This fluid acts as cushion that protects the brain from mechanical and immunological protection.

Hence, the correction answer is option A

7 0
2 years ago
How many neutrons does this atom have?<br><br> 4<br> 6<br> 10<br> 14
loris [4]

Answer:

I believe there are 6

Explanation:

Protons are the positively charged circles (blue)

Neutrons are the Neutral  (red)

and the others (green) are called electrons

5 0
2 years ago
Read 2 more answers
When an enzyme loses its shape, it loses its function. This is called
Levart [38]

Answer:

Hi, There!

Denaturation Is the Correct Answer!

Explanation:

When an enzyme is denatured, it essentially melts and loses its shape. Denaturation can be caused by extreme heat and by changes in pH.

xXxAnimexXx

Have a great day!

7 0
2 years ago
Read 2 more answers
The malate/aspartate shuttle: if inhibited, could lead to the accumulation of cytosolic glyceraldehyde-3-phosphate within the ce
AleksAgata [21]

Answer:Recall that the glycolytic pathway generates NADH in the cytosol in the oxidation of glyceraldehyde 3-phosphate, and NAD+ must be regenerated for glycolysis to continue. How is cytosolic NADH reoxidized under aerobic conditions? NADH cannot simply pass into mitochondria for oxidation by the respiratory chain, because the inner mitochondrial membrane is impermeable to NADH and NAD+. The solution is that electrons from NADH, rather than NADH itself, are carried across the mitochondrial membrane. One of several means of introducing electrons from NADH into the electron transport chain is the glycerol 3-phosphate shuttle (Figure 18.37). The first step in this shuttle is the transfer of a pair of electrons from NADH to dihydroxyacetone phosphate, a glycolytic intermediate, to form glycerol 3-phosphate.This reaction is catalyzed by a glycerol 3-phosphate dehydrogenase in the cytosol. Glycerol 3-phosphate is reoxidized to dihydroxyacetone phosphate on the outer surface of the inner mitochondrial membrane by a membrane-bound isozyme of glycerol 3-phosphate dehydrogenase. An electron pair from glycerol 3-phosphate is transferred to a FAD prosthetic group in this enzyme to form FADH2. This reaction also regenerates dihydroxyacetone phosphate.

Explanation:

7 0
3 years ago
An online article that your professor asked you to critique states that African Americans cannot contract malaria, even if they
motikmotik

Answer:

The answer is B.

Explanation:

Regarding the situation explained in the question that "African Americans are not affected by the malaria disease because of a specific genetic trait that they possess and that trait provides them with protection" can be explained by the answer given in option B.

Being heterozygous, meaning possessing a dominant and a recessive allele regarding that genetic trait, in terms of sickle cell trait which is a gene that causes the individual's blood cells to be sickle shaped and balanced polymorphism which means carrying two different versions of a gene is an argument that is enough to prove that the above statement is incorrect because it means they have blood cells that can be affected by the malaria disease.

I hope this answer helps.

6 0
3 years ago
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