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Andrej [43]
3 years ago
9

2. The learners then wanted to investigate whether exercise has an effect on heart rate.

Biology
1 answer:
g100num [7]3 years ago
6 0

Answer:

b

Explanation:

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Large numbers of ribosomes are present in cells that specialize in producing ___________molecules
babunello [35]

Answer:

Proteins.

Explanation:

Ribosomes are complex molecules present in all living cells, they are also called organelles. It serves as the site for protein synthesis. They can be gound freely in the cytoplasm or bound to certain organelles like the endoplasmic reticulum. They consist of two major structural components: the small ribosomal subunits, which read the mRNA, and the large subunits, which join amino acids to form a polypeptide chain.

There are 3 types of Ribosomes which are:

• Ribosomes link amino acids together in the order specified by messenger RNA (mRNA).

• Each unit also consist of ribosomal RNA (rRNA) molecules and a variety of ribosomal proteins.

• Transfer ribosomes (tRNA)

7 0
3 years ago
Select all the correct answers.
MrRa [10]

fungi and parasite

i think

8 0
3 years ago
When DNA is replicated, the original molecule serves as a(n) _____.
egoroff_w [7]
The answer would be B) Template

I hope that helps ^-^
6 0
3 years ago
Read 2 more answers
What part of the nucleotide is considered the genetic code.
almond37 [142]

Answer:

A,C,T, and G

Explanation:

adenine-A cytosine-C thymine-T guanine-G

8 0
2 years ago
List at least four reasons why it is difficult to send manned space flights to parts
icang [17]
1 you run out of fuel 2 it takes a long time 3 it’s hard to get back 4 the conditions are constantly changing making it harder to predict what could happen. Look at Apollo 12 as a example
3 0
2 years ago
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