Why are stem cells able to divide indefinitely?
What will be an ideal response?
They express telomerase, which is an enzyme that reverse telomere shortening.
Biology & Microbiology
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After fertilization, the sperm that enters the egg releases nitric oxide, which stimulates the release of
stored calcium ions in the egg.
Indicate whether the statement is true or false.
Biology & Microbiology
The electrons that are released by the splitting of H2O molecules during photosynthesis ultimately end up in: -glucose.
-ATP. -H2O -NADPH. -rubisco.
Biology & Microbiology
The condition known as cleft palate is due to the ________ bones not fusing properly
Fill in the blank(s) with correct word
Biology & Microbiology
_______________ hormone is significant in the female menstrual cycle, triggering maturation of an egg.
A. Follicle-stimulating B. Adrenocorticotropic C. Prolactin D. Growth
Biology & Microbiology