Scientists use a certain technique to measure RNA levels in various cell types. which of the following is most directly observed by this technique?

a. mutation

b. cell division

c. gene expression

d. osmotic regulation

Do autotrophs need to carry out cellular respiration? Why or why not?

How should experiments be designed

Aerobic respiration extracts more energy from a glucose molecule than any other type of respiration. Why might some organisms that can use aerobic respiration also retain the ability to use anaerobic respiration?

Why is sexual reproduction advantageous as opposed to asexual. Make a list of the types of asexual reproduction strategies.

Definition of hormone

Like living things, viruses Respond to their environment Obtain energy Change over time

Which statement describes two factors that have the greatest influence on ocean tides? * O Earth rotates on its axis once each day, and the gravity of the Moon. O Earth rotates on its axis once each year, and the gravity of the Moon.

What technological challenges are present in bringing back extinct species?

What defines a mixture? A. It cannot be broken down into simpler substances. B. It can be described by a single chemical formula. C. It can be created through a chemical reaction. D.

List three health problems associated with being overweight and obese