A life cycle in which organisms switch back and fourth between diploid and haploid stages-

a. is a haploid life cycle

b. is a diploid life cycle

c. is an alternation of generations life cycle

d. does not exist

What is one way that the cactus plant and the camel are similar

In a cell, what is the function of the cell membrane? It controls the entry and exit of substances. It removes waste and stores ingested food. It generates energy for the cell. It only maintains the cell shape.

You have isolated a microorganism from seawater that contains thylakoid membranes, gas vacuoles, and carboxysomes. It is most likely A. E. coli. B. Caulobacter. C. algae. D. a cyanobacterium. E. an ameba.

Two-step process by which bone tissue is broken down and reformed

What elements do lipids contain

Where is the moon's gravitational pull the strongest?

A turkey cooking in an oven will be ready when the internal temperature reaches 180°F. Convert this into Celsius and Kelvin

Adaptations often give organisms a competetive edge. a. True b. False

Biosphere II is a self-contained ecological system that was sealed with researchers inside. Unfortunately, the microbes in the soil consumed rich organic matter and produced carbon dioxide.

When the enzyme amylase from the pancreas is finally ready for use, it is stored within cell cytoplasmic vesicles called___. nuclei. zymogen granules. mitochondria. cristae. vacuoles.