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vfiekz [6]
3 years ago
8

How many types of endocrine systems ​

Biology
1 answer:
mezya [45]3 years ago
3 0

Answer:

There are three types of endocrine cells;

Explanation:

; alpha cells which secrete glucagon, beta cells which secrete insulin, and delta cells which inhibit the secretion on glucagon and insulin: Glucagon increases the blood glucose level by stimulating the liver causing convert Glycogen into Glucose (sugar).

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What is the savanna hypothesis? Group of answer choices Bipedalism was selectively favored because it helped our ancestors to st
Gnom [1K]

Answer:

Both options are valid, since in the hypothesis of the savanna it was argued that humans acquired bipedalism to be able to self-supply their food more effectively, and to have less body surface area exposed to the sun.

Explanation:

The saban hypothesis is believed to have originated in the saban, with the Austrolopitecus africanus being forced to affect this domain, which is why it acquired this adaptation mechanism.

The savanna had high grasslands, which also led to collaboration in this regard since they could be better camouflaged.

In addition, the human began to defend with the limbs of the upper limb, triggering the canines to decrease in size since it is not used as a defense mechanism.

The canine is a tooth that helps to tear carnivorous food, that is why the human also begins to have a more varied diet of fruits and seeds and that it can reach and take the bones of the tree to increase its height due to bipedalism.

8 0
3 years ago
The human body contains approximately 70% water by weight. water is found inside and outside of cells, and it is able to carry n
Inessa05 [86]
The water is able to leave in and out of the cells because there is a cell membrane splits the bilayer of tissue and then the water start leaving and  coming back in again from  the stage of osmosis.
8 0
2 years ago
Read 2 more answers
Suppose the frameshift mutation was still present, but now there was a base substitution (A to C) in the arginine (R) codon, cha
maksim [4K]

Answer:

A. The rest is still out of frame

Explanation:

The mRNA codon translated to amino acids is placed below.

While serine, which is one of the amino acids in the original protein, is still there as a part of the new sequence, there are a host of other frame shift mutations. While it is possible to phosphorylate a serine in any of these amino acid sequences, the secondary and tertiary structure of these are different to each other.

Original:

5' - UG | GUC | GGC | GAG | AAC | GAA | AGC | GC - 3'  

              Val     Gly      Glu      Asn     Glu      Ser

Mutation:

5' - UG | GUC | GGG | AGC | ACG | AAA | GCG | C - 3'

              Val      Gly      Ser      Thr     Lys      Ala      

7 0
3 years ago
Molecules of O2 pass through the walls of the alveoli and enter the bloodstream through the
Scrat [10]

i beleive that is the respiratory system but ill double check in  a m inute

alright heres all your answers for that test question 1 true

question 2 oxygen question 3 carbon dioxide question 4 true question 5 alvoei question 6 diaphram question 7 respitory system  the last 3 are all true i hope i helped

3 0
3 years ago
The human stress system evolved to deal with events such as getting chased by a lion. Which modern stress activates the stress s
seropon [69]
Adrenaline which creates the “fight or flight respond” basically amplifying the function of many of the body’s internal parts to allow someone to escape from a lion.
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