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Shkiper50 [21]
2 years ago
6

A muscle contracts in response to an electrical signal that signals the ______________, the unit of contraction, to shorten.

Biology
1 answer:
Ierofanga [76]2 years ago
3 0

Answer:

Sarcomere

Explanation:

A sarcomere is the basic contractile unit of muscle fiber. Each sarcomere is composed of two main protein filaments—actin and myosin—which are the active structures responsible for muscular contraction.

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Answer 16-20 please, please do not comment nonsense if not you will be reported. The first accurate and correct answer gets brai
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Answer:

Like questions 16-20? there aren't any questions to be answered.

Explanation:

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7 0
3 years ago
While walking down the street, a cat jumps out of an alley into the pathway of an adult. They note that the man's heart is "raci
Sedaia [141]

Answer: The palpating heart race response is due to the sympathetic nervous system controlling the body's fight-or-flight reactions. 

Explanation:

The sympathetic nervous system is in charged of controlling the body's fight-or-flight reactions. When facing a threat, these responses defaultly prepare our body to flee from danger or face the threat head-on.

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5 0
3 years ago
What kind of clouds are made of tiny ice particles and appear white and feathery?
boyakko [2]
The answer is cirrus clouds
5 0
3 years ago
Read 2 more answers
1. According to the graph below, what temperature will result in the highest rate of photosynthesis? A. 5°C
UNO [17]
<h3>✽ - - - - - - - - - - - - - - -  ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ✽</h3>

➷ It would be D. 25 degrees. This is because there was the highest oxygen  flow at this temperature meaning that the rate of photosynthesis was higher.

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

8 0
2 years ago
Read 2 more answers
A pea plant with purple flowers (and unknown genotype) is crossed with a pea plant with white flowers. one-half of the offspring
Archy [21]
The genotypes of the parents are Aa (heterozygous) and aa (recessive homozygous).  
 For example:  
 If the purple flower is dominant phenotype, then A is a dominant allele for it and Aa is a genotype which will give the purple colour.
In this case, white flower is recessive phenotype with aa genotype.
If we cross Aa x aa
<span>The offspring is going to be Aa Aa aa aa (half purple and half white)</span>
8 0
2 years ago
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