Which best describes bacterium

A. A type of virus

B. A unicellular prokaryote

C. The shell surrounding a pilus

D. A particle that attacks viruses

How are the oceans related to earths climate A) they keep the climate moderate B) they hold most of the carbon on earth C) they have a cooling influence worldwide D) they make the climate drier by concentrating water supplies

What step could you add after you transcribe the DNA to make a more complete model of protein synthesis

Define connective tissue. Name different types of connective tissues.

Where is transcription located

Why is the entire cell said to be like factory

Why does the need for living space cause problems for some organisms?

Name two factors that will determine whether a non native species becomes an invasive species

Soaps, by themseives, are examples of a. surfactants. b. degerming agents. c. antiseptes d. both a and b.

What are the 3 care instructions for future life on earth

If many trees are removed from a forest by logging, what is themost immediate effect on the carbon cycle in that forest? A. increased rates of decomposition B. decreased rate of atmospheric CO2 C. decreased combustion of fossil fuels D.