For an animal to move in one direction, it must exert a force in the ____________________ direction

Fill in the blank(s) with correct word


opposite

Biology & Microbiology

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Which statement about immunodeficiency is true?

a. Immunodeficiencies allow pathogens to proliferate. b. Immunodeficiencies are typically present at birth. c. Immunodeficiencies tend to trigger hypersensitivities. d. Immunodeficiencies block autoantibodies from developing.

Biology & Microbiology

Compared to mammals and reptiles, what characteristic prevents amphibians from surviving far from water?

A. Their limbs are too weak to support their weight on land. B. Their cartilaginous endoskeleton would dry out on land. C. They do not have any lungs and cannot breathe out of the water. D. Their eggs do not have an amnion to prevent them from drying out.

Biology & Microbiology

When a protein denatures, what type of

bonding is affected?

a. covalent b. peptide c. ionic d. hydrogen e. metallic

Biology & Microbiology

The area labeled "A" is ____

a. a nucleus b. chromatin c. the nuclear membrane d. a vacuole e. a nucleolus

Biology & Microbiology