When the quadriceps contact what also must happen at the same time?

A. The gastrocnemius must contract.

B. The hamstrings must relax.

C. The hamstrings must contact.

D. The gastrocnemius must relax.

Which changing external condition triggers the thirst

What different types of atoms make up glucose

Megan is interested in studying how unicellular organisms reproduce. Which term describes the process by which they reproduce? A. conjugation B. population C. separation D. binary fission

To find the density of an object you would use a graduated cylinder to find what characteristic of the object? A) length B) mass C) volume D) weight

most cells that have become transformed into cancer cells have which of the following when compared to normal, healthy cell?

What is the probability that, in an organism with a haploid number of 12, a sperm will be formed that contains all 12 chromosomes whose centromeres were derived from maternal homologs?

The growth rate of a local population is dependent on the birth rate minus the death rate and

If a volcano were to erupt and release large amounts of ash into the air, how would this affect the climate on Earth? a. The ash would increase the greenhouse gases, thus increasing temperature. b.

What is the purpose of implantation pregnany?

Ivy starts to get into the hot tub, but the water feels extremely hot. She stands in the water for a few moments, then slowly eases the rest of her body down into the water.