2. Originally, scientists classified

organisms into five kingdoms based,

in part, on structure

O cell

O family

Morgan

Many factors that determine whether genes are "turned on" are in the environment in the form of

How do macromolecules cross the cell membrane

Which factor would decrease the food security of a community? O A. Having low food prices O B. Having easy access to locally grown food O C. Being far from supermarkets O D. Being far from fast food restaurants

During a cpr, class a student in the class asks what the difference is between cardioversion and defibrillation. what would be the nurse's best response?

Which is one way that the unicellular bacteria E. coli is different from a multicellular oak tree?

Why is the structure of dna called a double helix? a. because each of the curved dna subunits appears twice whenever it appears b. because dna is made of two strands of nucleotides wound together in a spiral. c.

Explain how glossopteris fossils provide evidence of continental drift

If a person has memory B cells against a certain pathogen, the person is ... a) likely to develop that disease b) much less likely to develop the disease a second time c) able to spread the disease to others through physical contact d) probably

A _[blank]_ solution contains a lot of dissolved solute for a given volume, whereas a _[blank]_ solution contains very little.

Some embryos do not survive through to the fetal stage, which begins about two months after fertilization. When this happens, the mother is said to have had A) endometriosis. B) a miscarriage. C) a toxic shock. D) an implantation.