How many necleotides equals 1 amino acid

Explain the meaning of tephra and how volcanic bombs, lapilli, and ash relate to tephra

What is the function of mitochondria in cells? A. They make proteins from instructions created and sent by the nucleus. B. They trap light energy from the Sun to make glucose. C. They control which substances move into and out of the cell. D.

The strongly acidic nature of DNA poses a problem. Why do Watson and Crick think that the DNA "dyad", formed by hybridization of two negatively charged molecules, is stable?

Earth's climate became much cooler at different times in the past. Predict what fossil evidence you might find for this type of climate change.

List some reasons why a cell that has just completed cytokinesis might enter the G0 phase instead of the G1 phase.

During the cardiac cycle, the bicuspid valve closes: a. while the ventricle is in diastole b. when the ventricle is in systole c. while the atrium is contracting

What is a gene family? what mechanism generates them?

Calculate the percent increase in HFC emissions between the years 2005 and 2015. A) 10% B) 50% C) 100% D) 200%

Small adaptations allow species to occupy similar niches. O True O False

People who have hemophilia would probably be most concerned about