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Lerok [7]
2 years ago
15

All life on earth exists in a region know as

Biology
1 answer:
Fofino [41]2 years ago
3 0
The answer is 'The Biosphere.'
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Cardiac muscle cells always have two nuclei true or false?
notka56 [123]

Answer:

False

Explanation:

The majority of cardiac muscle cells also known as cardiomyocytes of myocardiocytes have one nucleus even though they might have as many as four.

5 0
3 years ago
Which statement is true about body temperature?
GaryK [48]

Answer: muscles generate heat through activity.

Explanation:

During body activities (such as walking, running, eating) the muscles of the body are contracting and relaxing, and utilizing energy compounds like glucose to produce ATP to drive these activities.

Thus, heat energy is generated in the muscles and the body temperature rises followed by sweat release from the skin

7 0
3 years ago
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Plants obtain food through the process of
TiliK225 [7]
Photosynthieis sry if spelled wrong
7 0
3 years ago
A woman's ovary is _____ times the size of a single sperm.
Reika [66]
<span>A woman's ovary is sixteen times the size of a single sperm. This allows said sperm, or any of its friends, to penetrate the ovary with ease and precision. The ovary will also serve as the home for this sperm during its growth, proving that its larger size has multiple purposes in assisting in sperm growth.</span>
4 0
3 years ago
Identify how the deletion of a single nitrogen base in DNA can cause a harmful mutation in an organism.
ra1l [238]

Answer:

B. Nearly every amino acid translated after the error will create the wrong protein after the deletion of a base.

Explanation:

Generally, mutations occur in two ways: 1) a base replacement, where one base is replaced for another; 2) insertion or deletion, where a base is either incorrectly inserted or deleted from a codon.

When a nucleotide is wrongly inserted or deleted from a codon, the effects of this change can be extreme. An insertion or deletion can affect every codon in a particular genetic sequence.  For example, given the code:

GAU GAC UCC GCU AGG. It is the codes for the amino acids aspartate, aspartate, serine, alanine, and arginine. If the A in the GAU were to be deleted, the code would become GUG ACU CCG UAG G. It won't produce any right amino acid.

So, if the code becomes changes, it won't produce any amino acid or will produce the wrong amnio acid.

8 0
3 years ago
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