What is a virus that only infects bacterial cells and that looks like a space capsule? A. Bacteriophage B. Lysophage C. Retrophage D. Virophage

A worker sprayed fertilizers, which stimulate the growth of native bacteria, on an oil-soaked area. Which one of the following capabilities of bacteria could have led to the above action?

The increase in greenhouse gases during the last 150 years is primarily a result of

Match the type of protein structure to its correct description. a. Primaryb. secondaryc. tertiaryd. quatenaryHere is the list of options. 1. Formed by noncovalent interactions between two or more polypeptide chains. 2.

Some ocean organisms produce light from chemical reactions. In which part of the ocean do these animals tend to live? A. The Gulf Stream B. The surface waters C. The mesophelagic zone D. The epipelagic zone

A nursing instructor is explaining the role of vascular smooth muscle cells in relation to increases in the systemic circulation.

An octopus can fit through any hole larger than its what?

How does a octopus fit into the cladogram of invertebrates?

Which of the following describes a chemical change? A. Burning paper B. Freezing water C. Bending water D. Melting ice

Organic compunds are important to all living things true or false

If you looked under a micropscope and saw a cell with a cell wall and chloroplasts, you would know that the cell is