Which human activity has the lowest effect on global stability?

(Choice A)

Removing carnivores from a forest

(Choice B)

Heating homes with fossil fuels

(Choice C)

Reusing plastic bags

(Choice D)

Adding heavy metals to the water supply

The age of which index fossil could be determined by using carbon - 14?

What happens to the air around your vocal cords when you speak? a. It is heated c. It is forced down your windpipe b. It is cooled d. It expands and contracts

Diabetics can now obtain insulin that has been manufactured by what biological advancement? HGP, hybridization, gene splicing or cloning

Consider the operon in model 1. other than the gene that regulates the operon, how many genes are contained within the operon?

Scientists tried inserting the jellyfish gene that codes for luminescence into bacteria. Not all bacteria where transformed. Which bacteria were transformed? Only the bacteria that do not glow in the dark were transformed.

True or false? on a worldwide basis, proteins represent the most prevalent source of calories

Acetylcholinesterase (AChE) is a protein that catalyzes the conversion of acetylcholine to acetate and choline.

A city plans to convert all of its electricity sources to solar collectors. This is one part of a new plan to manage the city's energy resources. How will this plan most likely affect Earth's systems? a Air pollution in the atmosphere will decrease.

Which molecule is necessary for picking up electrons at the end of the ETC in order for cellular reservation to take place.

Which is a homologous chromosomes pair?