The separation of the sister chromatids occurs in:

la - anaphase I

b - metaphase I

c - anaphase I and anaphase II

d - mitotic anaphase and anaphase II

(jusitfy your answer)

During digestion, foods do not pass through the

What is the purpose of genetic modification?

Disulfide Bonds Determine the Properties of Many Proteins Some natural proteins are rich in disulfide bonds, and their mechanical properties (tensile strength, viscosity, hardness, etc.) are correlated with the degree of disulfide bonding.

What is the age of the oldest rock that has been found and dated? A) 3 billion years B) 3.5 billion years C) 4 billion years D) 4.5 billion years

Which of the following statements is false? 1. Human are more complicated than crickets, but that doesn't mean they are better organisms. 2. Not all changes in the shape or behavior of an organism are evolution. 3.

Which of these describes a use of biostimulation?

What happens if you connect a battery to a small light bulb with a single wire.?

John and emily were experimenting with the effects of road salt on plant growth. to do this, they watered plants daily with the same amount of salt water. they could best improve their experiment by -

Three different core areas designed to protect an endangered beetle each have a buffer zone associated with them. in buffer zone a, the birth rate of the beetle is 0.04, and its death rate is 0.08. in buffer zone b, the birth rate of the beetle is 0.

In a, are (Y) and are (y). A=4 B=1 C=2 D=3