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Grace [21]
3 years ago
15

Which of the following is NOT true regarding the members of a protein family in general?a. They have similar three-dimensional c

onformations.b. They share an ancestry; i.e. they are homologs.c. They can functionally replace each other.d. Their gene sequence is less well conserved than their structure.e. Over evolutionary time scales, the family has expanded mainly through gene duplication events.
Biology
1 answer:
natka813 [3]3 years ago
7 0

Answer:

d. Their gene sequence is less well conserved than their structure.

Explanation:

The fundamental definition of a protein family is that they need to be homologous or share strong sequence identity/similarity.

Whereas a protein superfamily encompasses proteins that may not be homologous but share similarities in their structures.

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People with diabetes often receive insulin injections. What effect does insulin have on the body?
Gennadij [26K]

The right answer is B.

Insulin is a hormone naturally secreted by the pancreas, specifically by specialized cells located in the islets of Langerhans. It allows glucose (sugar) to pass blood into the cells of the body. These will use glucose as energy or store it for future use.

In healthy subjects, insulin is secreted continuously. The body produces insulin according to the needs and foods consumed. For example, after a meal, the pancreas secretes additional insulin, allowing blood glucose to stay within normal limits.

8 0
3 years ago
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The cingulate cortex is a subcortical structure above the corpus callosum. its anterior (forward) segment participates in ____,
Hunter-Best [27]

Answer;

Decision making and emotion; memory and visual processing

Explanation;

Cingulate Cortex  is a subcortical structure above the corpus callosum. its anterior (Forward) segment participates in decision making and emotion, and its posterior (rear) segment participates in memory and visual processing.

-The forward 2/3 of this structure, the ACC: anterior cingulate cortex- participates along with the hypothalamus in the control of the autonomic nervous system (also roles in decision making, emotion, anticipation of reward, and empathy)

The rear third, PCC: Posterior cingulate cortex participates in memory and visual processing.

6 0
3 years ago
Why do you think stop and start codon signals are necessary for protein synthesis.
kolbaska11 [484]

Answer:

because if they dident stop it would malfunction

Explanation:

8 0
3 years ago
TRUE OR FALSE : Cohesion is when water molecules stick to OTHER substances.
tekilochka [14]

Answer:

true

Explanation:

Thus when the positive side on one water molecule comes near the negative side of another water molecule, they attract each other and form a bond. This "bipolar" nature of water molecules gives water its cohesive nature, and thus, its stickiness and culpability

3 0
3 years ago
What is C2o and h2o i forgot?
Rufina [12.5K]


h2o is water  and c2o is carbon  dioxide :)

Hope I was help :D

7 0
3 years ago
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