What is the meaning of Selection?

Do bacteria cells have mitochondria? If yes or No justify your answer. Especially if your answer is No so how cellular respiration takes place?

A cell begins to send out incorrect chemical signals to neighboring cells. During which phase of the cell cycle did the cause of the change most likely happen? G1 phase G2 phase M phase S phase

What part of the body regulates muscle tone and equilibrium?

As the temperature of lava increases, a. its viscosity decreases. b. it begins to harden. c. its viscosity increases. d. it can flow a much shorter distance.

What process must occur before translation in order to produce the mrna?

The Andes mountains are found along the western coast of south america. what kind of plate boundary's responsible for this mountain range.

Water, in all its forms, is always in flux and always moving true false

What is the organ that pumps blood throughout the body

Which form of virus did Sabin use for the vaccine? olio? inactivated killed live Answer Inactivated

Which is a prokaryotic cells - onion root, cows liver, human blood, e. coli