What enzyme is lacking in the Escherichia coli strain used by Okazaki in the experiments leading to his discovery of the DNA fragments that will form the lagging strand?

a) DNA polymerase

b) telomerase

c) DNA ligase

d) pyrophosphatase

What happens to the atp molecule during cellular activities such as protein synthesis and muscle contraction?

How do organisms store and use energy?

What the chance of two parent with blood type AB and O? A) 25% B) 0% C) 50% D) 75%

Read the dermatology clinic note below. a skin bx performed in my office confirmed the diagnosis of ak. after explaining the results to mr. johnson, i recommended cryotherapy for the smaller lesions on his arms and dermabrasion for his scalp lesions.

What the scientific names for algae

Similar genera are grouped into a (n) A. phylum. B. class. C. family. D. order.

If a given population of diploid organisms contains only three alleles of a particular gene (say, W1, W2, and W3), how many different diploid genotypes are possible in the population?

How does a multicellular organism grow? A. by cell division B. by cell addition C. by cell subtraction D. by cell multiplication

What process makes nitrogen useful to crops? A) nitrogen compounding B) nitrogen conversion C) nitrogen fixation D) nitrogen reaction

Only problems that are observable, measurable, repeatable, and falsifiable can be proved or disproved using the scientific method.