Ref: online search (Changes to short stretches of nucleotides are called gene-level mutations, because these mutations affect the specific genes that provide instructions for various functional molecules, including proteins. Changes in these molecules can have an impact on any number of an organism's physical characteristics.)
Answer:
A. DNA polymerase
Explanation:
DNA polymerases (I,II,III) proofread the DNA, which helps to catch errors. Errors can be fatal to expression, creating misformed proteins or unclear information, so this is necessary.
Fun facts - the coronavirus is a retrovirus, so it doesn't proofread. That makes it much harder to find a vaccine, because it can generate new strains by the very fact of not proofreading.
Answer:
Heat
Explanation:
Heat makes you start sweating which warms your body up, which makes your cells up.
<span>The right choice would be B. Mitochondria inner membrane. </span>
Answer:
listen you have to answer this question yourself you can't depend on anyone to answer this question
Explanation:
how you ever gone learn anything if you keep asking questions when you're not learning anything yourself?
