Which best describes the structure of a DNA molecule?

A. Two strands of amino acids linked together

B. Two strands of RNA linked together

c. A strand of DNA linked to a strand of RNA

D. Two strands of DNA linked together

What group of organisms are responsible for capturing energy within ecosystems? a. bacteria b. consumers c. producers (I know its not b it has to be either a or b im confused)

A scientist approximates the mass of an atom by adding the mass of the protons and the mass of the neutrons. Explain why this will give a close approximation of the mass.

What would happen if the golgi bodies in the cell were destroyed

A cell with 80 chromosomes undergo meiosis. how many chromosomes are found in the daughter cell

Positive feedback loops are the opposite of negative feedback loops. In a positive feedback loop, any change in the original variable triggers mechanisms that actually push the variable further in the direction of the change.

Does one molecule of atp contain more energy than one molecule of glucose

Which types of organisms are most vulnerable to overfishing, and why? A. Small fish that live a short time and reproduce quickly, since their population numbers are always highest. B.

Which comes first: embryonic development or fetal development?

True or false: During meiosis, two rounds of DNA synthesis are required to form four gametes from one parent cell.

In 1665, Robert Hooke, an English scientist, published his book Micrographia, in which he described that pieces of cork viewed under a microscope presented small cavities, similar to pores and filled with air.