You step outside without a jacket and it is cold outside. your hypothalamus sends signals to make you shiver. this warms you up and you stop shivering. what type of control is this? a. positive hyporegulation b. positive feedback control c. negative hyporegulation d. negative feedback control

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases

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