Antibiotics work by

a. converting bacterial cells into the hosts cell

b. destroying the capsid on viral bodies

c. preventing bacteria cells from making cell walls

d. adding toxins to the bacterial cells

Use a diagram to show how ions are formed when a sodium atom comes into close contact with a chlorine atom

A cell has cytoplasm, a cell wall, naked DNA and ribosomes. Based on this information, what type of cell could this be? A. A cell from a pine tree B. A grasshopper cell C. A human red blood cell D. A bacterium

Which of the following is a possible long-term consequence of two organisms occupying the same niche? a. Local extinction b. Cooperation c. Interbreeding d. Coexistenc

A piece of wood has a volume of 200cm3 and a mass of 1,000g. What is the density of the wood? 800g/cm3 5g/mL 1200g/cm3 5g/cm3

How is cell differentiation able to happen?

Which type of reproduction is more likely to increase genetic diversity? why? type your answer here. 2. which type of reproduction typically happens more quickly? why? type your answer here. 3.

What is the driving force behind excess runoff after a big precipitation event

Hich of mr. helms' vital signs and lab values were abnormal?

Give an everyday example of diffusion in air

Explain why specific restriction enzymes must be used in DNA fingerprinting