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Nadusha1986 [10]
2 years ago
11

Two major types of protein secondary structures are referred to as.

Biology
1 answer:
UNO [17]2 years ago
8 0

Answer:

α helix and β sheet / alpha helices and beta sheets

Explanation:

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Assuming one nerve impulse must end before another can begin, what is the maximum firing rate of a nerve in impulses per second?
pav-90 [236]

Answer:

The correct answer is - 10³ seconds.

Explanation:

The nerve impulse is an electrical signal in which fluctuation in membrane potential occurs and forms an electrical signal that takes place that travels along the axon to the synapses.

Suppose a nerve impulse starts only when the first impulse ends according to the question so the one impulse last for the 10⁻³ second or 1 ms.  

Thus,  the nerve impulse fires per second will be equal to impulse generate in each second which is 1/10⁻³ = 10³.

Thus, the correct answer is - 10³ impulse per second or 1000 impulse per second.

5 0
3 years ago
Last several months for recent medical products produced with the help of genetic engineering?
Tema [17]
Last several years exactly for recent medical products produced with the help of genetic engineering 'cause it's quiet convenient by the help of developed technologies 

In short, Your Answer would be "True"

Hope this helps!
5 0
3 years ago
A cross-sectional view of a log shows a concentric pattern. Which part of the stem gives rise to this pattern?
Ivenika [448]

A cross-sectional view of a log shows a concentric pattern. Which part of the stem gives rise to this pattern?

B. Xylem

as it contribute for most of a tree's growth in diameter.

5 0
3 years ago
Which of the following is NOT a necessary characteristic of life?
jeka57 [31]

Answer:

I would say B?

Explanation:

5 0
3 years ago
Read 2 more answers
In small groups – as opposed to large ones – individuals are
lbvjy [14]
Considering the choices; 
<span>A. more likely to take more than their equal share.
B. less anonymous and thus less cooperative.
C. less likely to take more than their equal share.
D. more open about their conflicts.</span>

Answer; C
In small groups as opposed to large ones, individuals are less likely to take more than their equal share. 

Explanation;
According to the Ringelmann Effect, the tendency for individual members to become less productive increases as the size of a group increases.  If individuals are more then it means more chaos, communication, more bureaucracy and more of everything, that will slow down things. 
5 0
3 years ago
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