A person's skin cells and eye cells make different types of proteins to perform their functions. What is the source of the instructions from which all of the proteins are made?

(A) Genes

(B) Mitochondria

(C) Ribosomes

(D) Gametes

Which of the following describes an antibiotic that is good for a human to take as a medicine? A. The antibiotic kills harmful bacteria but not human cells. B. The antibiotic is a harmful substance called a toxin. C.

The benefit of social behavior that refers to searching for and collecting food is referred to as

Explain how natural selection could lead to a change in allele frequency

Why might it be better to call a full moon a half moon?

Insecticides contain organophosphates which inhibit acetylcholinesterase. what is the function of acetylcholinesterase?

Which scenario would require the largest use of natural resources? 1-building stone structures for housing 2-fishers fishing for dinner each night 3-nomadic tribes following animals to hunt for food 4-creating grazing land and pastures

What would happen to the enzymes activity if denaturation occured

List in the tabular form any three difference between the Aves and the Mammalia group

Availability of substitutes plays a role in determining the bargaining power of suppliers. a. True b. False

The semi fluid matrix that surrounds organelles in a cell is called the