How many chromosomes are there in a human body cell?

Describe how an allosteric enzyme works.

The tonsils in the throat are considered to be part of the

When the air in the atmosphere is unevenly warmed by the suns? wind currents are the result

Choose all the answers that apply. Asexual reproduction allows very little genetic variation is used by the body to replace dead skin cells is slower than sexual reproduction can occur by binary fission creates exact genetic copies of a parent

Which of the following particles is smaller than the rest? A. electron B. proton C. neutron D. alpha particle

I'm confused on how to answer this. Provide an example of possible succession of insects that would be found on the body of a dead squirrel. include in your answer: Which insect is usually first to arrive on the dead body? Explain your reasoning.

How do bacteria protect their own dna from the restriction enzymes they produce?

All ions are atoms with a positive charge. negative charge. charge. neutral charge.

What is the fossil record?

When researchers are measuring plant productivity, they usually harvest and measure above-ground biomass. But with grassland plants, it is common to find that most of an individual's biomass is in its root system.