Which is a major mineral that makes up sand?

A. dolomite

B. obsidian

C. calcite

D. quartz

Which of the following is a phase in the cell cycle? Question 2 options: a. G1 phase b. G2 phase c. M phase d. all of the above

Dissolution and precipitation of are the main processes that form limestone caves?

Suppose there is a gene called VID that codes for the incredible ability to play any video game. This gene is 360 nucleotides long, with no introns. The wildtype version codes for a protein consisting of 120 amino acids.

Why is xylem known as a dead tissue

The size of the iris and pupil can change size. If you walked from a bright room into a dark room, what would happen to the size of the iris and pupil?

Which one of the following is a requirement for a good primer? Select one: a. Guanine and Cytosine should make up less than half of the total base pairs b. Melting temperatures of primer should be between 55-80 degree Celsius c.

Do all polypeptides have tertiary structures

What is a characteristic of an enzyme

Types of reproductions and describe them.

Although it is not listed as a nutrient, this substance plays a large role in weight management and has been shown to prevent cvd, type ii diabetes, and cancer.