How is all the information contained in the DNA molecule able to fit in the nucleus?

it is broken into microscopic segments

the genes are packed into chromosomes

the double strand is twisted and coiled

no one knows

Why is it significant that all biological systems use l-amino acids and d-sugars?

What is the function of brown adipose tissue?

What is coupled with glucose reabsorption using a symporter in the early part of the proximal tubule?

Which of the following is not associated with mechanical weathering a. frost wedging b. unloading c. biological activity d. reactions with oxygen

List the order of the reactions to metabolize glucose?

1. Which of the following is know as "the glue" that holds our Solar System and Galaxy together? A - Centripetal Force B-Gravity C - Magnetism D - Centrifugal Force

Which of the following could be considered a reliable source of scientific information? A. A scientist's presentation of experimental results at a scientific conference. B. A sales representative's glowing description of the benefits of a new drug.

Which statements describes how animals get their necessary water

Which of the following statements is true of sound waves? * Sound waves are found on the electromagnetic spectrum Sound waves do not require a medium to travel through Sound waves can travel through outer space Sound waves are a kind of matter wave,

How do we know that dinosaurs came from archosaurs?