Answer: 16 possible stereoisomers
Explanation: n=4 so therefore there are 2*n= 2*4= 16
Answer:
Genes are a set of instructions that determine what the organism is like, its appearance, how it survives, and how it behaves in its environment. Genes are made of a substance called deoxyribonucleic acid, or DNA. They give instructions for a living being to make molecules called proteins.
Explanation:
Genes tell your body how to make all its proteins. Each new cell in the growing embryo receives a full set of genes. But not every cell needs to make every protein and cells make some proteins only at certain times. Some genes are instructions for proteins that regulate the activity of other genes.
Two procedures that should be used to properly handle a microscope are:
1.) Carry the microscope with both hands.
2.) Transport one microscope to your work area. Remove the dust cover.
The answer would be C physical weathering because heat and the breaking of the rock can be the result of physical weathering, and the other answers would not make sense.
Biological weathering would be the breaking down of the object due to a form of life (incorrect answer),
erosion is the carrying away of something (incorrect answer),
and chemical weathering would be changing the identity of the substance(incorrect answer).