In which biome are the factors of temperature, mineral content, and moisture most constant?

A.

ocean

B.

desert

C.

rain forest

D.

tundra

E.

jungle

How is variation different from speciation

Dilation and constriction of the pupil are controlled by the

How would the deletion of the shine-dalgarno sequence affect a bacterial mrna?

Barbara is a research scientist at an organic pest control company. Part of her job is to find foods that ants will eat so the foods can be used in ant baits.

What are punnett squares used for? a. determining the dna sequence of a given gene b. testing for the presence of the recessive allele c. predicting the result of genetic crosses between organisms of known genotypes d.

The cell spends 90% of its time in what phase of the cell cycle?

Which of the following is an example of an organ-specific autoimmune disease? rheumatoid arthritis psoriasis Addison disease myasthenia gravis

Which technique is most effective for viewing solid organs of the abdomen and soft tissues wherever the signal will not be stopped by intervening bone or air?

How far is the sun from the earth?

An Average human muscle contains more than 1,000 mitochondria. Explain why