Answer:
Chemical properties are harder to change than physical properties.
Each cell expresses, or turns on, only a fraction of its genes. The rest of the genes are repressed, or turned off.
The turned on genes are then first transcribed into messenger RNA by the process of Transcription.
Then the mRNA is Translated into protein by the process called Translation.
This is how the specific genes are expressed.
<span>c. only the fittest of sperm and egg combinations will survive.
</span>As opposed to external fertilization, internal fertilization ensures that
NOT:
a. the number of sperm and eggs produced will be equal.
b. all of the sperm will fertilize eggs.
d. sperm will be protected until they can unite with the eggs.
<span>e. sperm and egg will be released simultaneously.</span>
Answer: Ribosomes are the sites in a cell in which protein synthesis takes place.
Explanation: Cells have many ribosomes, and the exact number depends on how active a particular cell is in synthesizing proteins. For example, rapidly growing cells usually have a large number of ribosomes
