If an egg is in one of the fallopian tubes, approximately how many sperm will surround it and try to cross the egg cell's membrane?

A. hundreds

B. thousands

C. millions

D. billions

Why are Elodea plants important in maintaining a healthy ecosystem?

What's 2 things that must be kept the same in both control and experimental group

1.) Which of the following is caused by a germ cell mutation? -Asbestos Disease. -Common Cold. -Down syndrome. -Formaldehyde poisoning. 2.) which process is recombinant DNA inserted into a cell to alter the cells genetic makeup? -cell transformation.

New alleles are produced when DNA is transcribed and translated to form a protein. a. True b. False

What is the relationship between convection currents, seafloor spreading, and the formation of ocean basins?

Which of the following is not a carbon sink? atmosphere the Atlantic Ocean Lake Superior All of the above are carbon sinks.

What information did you include in your response? Check all that apply. O DNA carries instructions for making the proteins a cell needs. DNA molecules are found in chromosomes.

What cell part stores material within the cell?

DNA is the code for making of proteins used for blank and blank

Increases in the sizes of human populations have caused a demand for more houses. When new subdivisions are built, trees are often cut down to make space for the new houses. Which of the following is an immediate impact of this deforestation?