2. Which of the following is a radical?

H

O

OH

H20

Which characteristics belong to a eukaryote? A. is usually multicellular B. contains a nucleus C. contains one cell type D. contains membrane-bound organelles

The sequence of nucleotides in a messenger RNA molecule (mRNA) is determined by the sequence of nucleotides in a a transfer RNA (tRNA) molecule. b protein molecule. c polysaccharide molecule. d DNA molecule.

Which of the following does Saturn have in common with Earth? A) Its well defined shape B) Its gassy composition C) Its size D) Its solid core

A student pushes a 0.5kg lab chart with a force of 3 newtons determine the acceleration in meters per second squared of the cart

What name is given to patient health information that is computer-based?

Two species of garter snakes live in the same geographic area. One lives mainly in water and the other mainly on land; therefore, they rarely encounter each other and do not interbreed. What type of isolation is this?

Matter that has a definite column but no definite shape is a

Many pharmaceutical drugs specifically inhibit transcription in bacteria but not archaea or eukarya. why would drugs that inhibit transcription only affect bacteria and not archaea even though they are both prokaryotes?

How do the sperm cells of nonvascular plants reach the egg cells during reproduction? The sperm cells are blown by the wind and land on the egg cells. The sperm cells swim to the egg cells through their watery surroundings.

Both viruses and cells are able to replicate their genetic material. What is the main difference in their replication processes?