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Sphinxa [80]
2 years ago
14

Which roles are played by calcium ions in coordinating the activation of a muscle by motor neurons?.

Biology
1 answer:
defon2 years ago
4 0

Answer:

your answer would be b

Explanation:

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If you extract the DNA of the coliphage φ X174, you willfind that its composition is 25 percent A, 33 percent T,24 percent G, an
kifflom [539]

Answer:

This composition of nucleotide given in the question do not obey the chargaff"s rule.

Explanation:

According to chargaff"s rule the total number of purine bases will be same to the total number of pyrimidine bases that is

         Adenine+Guanine=Thymine+Cytosine

But here the above quation is not maintained because according to the question A+G=49%

        and T+C = 51%.

Such DNA is replicated by rolling circle model.

5 0
2 years ago
all of the following are reasons why friendships are more highly valued by older people in late adulthood than family relationsh
Leviafan [203]

There are no choices but the reason why we tend to value friends as we grow older is because these are bonds that we create on our own.  These are people who have been there for us throughout our lives. They are our link with the outside world since they are not our family members.  The longer we are friends with others, the deeper that bond becomes.

3 0
3 years ago
An example of a BIOTIC factor that can affect an ecosystem is:
yaroslaw [1]
The answer is C) Disease
6 0
3 years ago
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The name cultivar was coined by<br> L. H. Bailey<br> Gregor Mendel<br> Herbert Macintosh
postnew [5]

Answer:

L. H. Bailey

Explanation:

A cultivar is variety of a plant specie that has been developed from a natural species and maintained under cultivation. The are usually plant species that have been selected from a population because of their distint and desirable characteristics which are usually maintained during propagation.

The term was introduced by L.H Bailey

4 0
3 years ago
In the anatomical position, the gluteal and lumbar are on the
mel-nik [20]

Answer:

Posterior

Hope this helps

3 0
3 years ago
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