A type of active transport is

A. diffusion
B. membrane assisted transport
C. osmosis
D. facilitated transport (movement from high to low concentration requiring the assistance of a protein).


Answer: B. membrane assisted transport

Biology & Microbiology

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Examine Figure 23.2 in your textbook. If we define the taxon Actinopterygii to include the Ray -finned fish, Coelacanths, Lungfish, Tetrapods, and their most recent common ancestor, it would be a _____ group

A. monophyletic B. paraphyletic C. polyphyletic

Biology & Microbiology

In plants, which of the following cells is (are)

diploid?

a. egg cell b. sperm cell c. spore cell d. root cell e. all of these cells are haploid

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Sensory signals that trigger release of saliva are an example of how the nervous system works with

which other system? a. endocrine b. cardiovascular c. sensory d. digestive e. muscular

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Which of the following provides insulation for the neuron?

a. synapse b. axon c. dendrite d. Schwann cell e. microglial cell

Biology & Microbiology