A farmer sells his beef by the pound. How can the farmer produce cattle that have more meat, so that he can increase his profit?
A: Selectively breeding the largest cows to reproduce.
B: Letting nature take its course.
C: Natural selection rids the herd of sick cattle.
D: Selecting breeding the cows that have the most offspring.

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin