How do enzymes catalyze chemical reactions (don't just say "they lower the activation energy", give me specific mechanisms) ?

Too function a unicellular arganism must do what? A - Get energy, maintain health, and reproduce b - reproduce and stay healthy c - maintain health d - select a habitat, maintain health, and reproduce

Sex refers to biological distinctions between males and females.

Earth's atmosphere is composed of A. iron, oxygen, and silicon. B. carbon dioxide, ozone, and magnesium. C. water, liquid oxygen, and trace amounts of other liquids. D. nitrogen, oxygen, and trace amounts of other gases.

Suppose you found a fossil of a clamshell what can you conclude aboth the once-living organism and how it became a fossil?

What is the difference between septate and nonseptate hyphae

Why can polyploidy individuals lead to speciation fairly quickly?

The primary care provider has prescribed a karyotype for a newborn. the mother questions what the type of information that will be provided by the test. what information should be included in the nurse's response?

Energy released from ATP Select one: a. contains five phosphate groups. b. drives most of a cell's activities. c. is found only in bacteria. d. All of the above

An adult client with mobility problems wishes to become an organ donor. Which act allows the client to donate his or her organs?

Antibiotics, antimicrobial resistance and the control of disease - Essay