When scientists copy DNA, they first have to cut out the part they want to

copy. What molecule do they use to do this?

O

A. Reverse transcriptase A

B. Gel electrophoresis

O

C. DNA polymerase

O

D. Restriction endonuclease

What would be the most likely result if humans stopped burning fossil fuels?

In pea plants purple flower color is dominant over white. suppose that you are crossing two heterozygous individuals. what are the possible phenotypic ratios for their offspring

In a clinical situation where it is essential to control microbial growth that includes both mycobacteria and endospores, which chemical agent would be the most effective to guarantee the broadest disinfection?

What are the 5 factors that must be true for evolution to not occur

3. The Endosymbiotic Theory explains the emergence of what type of cells? a. prokaryotic b. eukaryotic c. viral d. bacterial

Which of the following statements explains why viruses are considered non-living? Question 2 options: A) viruses are too small. B) Some viruses have RNA for genetic material instead of DNA.

Which of these is considered to be the "king" of the social sciences Geography Economics Sociology Political science

How much time have organisms had to change?

Which winds are usually warmer and more humid? Winds blowing from the north Winds blowing from the south Winds moving from the land Winds moving toward the ocean

Phylogeny refers to a. the evolutionary history of a group of related organisms. b. a group of organisms that includes an ancestor and all of its descendants. c. Darwin's method to classify organisms. d. all of the above