What is an enzyme made up of?

A student made the following observations about astronomical bodies. Observation 1: The sun rises and sets. Observation 2: The stars move daily across the sky. Which observation (s) can be explained using the geocentric model? a.

Molecule that stores genetic information in all organisms. A. Ionic Bond B. DNA (deoxyribonucleic acid) C. Amino Acid D. Nucleic Acid

is the neurotransmitter most closely linked to learning that certain behaviors are rewarding.

What is one function of the endoskeleton for vertebrate animals

The force keeps molecules in a fluid together.

During dna replication in a human cell, 6 billions bases must be paired properly. which characteristic of dna best allows for high level of accuracy during this process

Which of the following actual (i. e., real) products of biological activity is not likely to be a source of the increases in greenhouse gases observed in recent history? A.

A population with 65 A1A1 individuals, 55 A1A2 individuals, and 10 A2A2 individuals is in Hardy-Weinberg Equilibrium. Hint: For this problem assume if the expected value is within 3 of the observed it's in HWE.

What is the expected effect of hyperventilation on heart rate? why does this change occur?

In what ways are cellular respiration and fermentation alike? in what ways are they different?