Which structure is common to both prokaryotic and eukaryotic cells?

A) Nucleus
B) Ribosomes
C) Chloroplasts
D) Mitochondria


Answer: B) Ribosomes

Biology & Microbiology

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Indicate whether each statement is true or false and then provide the explanation for why the statements are either true or false. Signaling molecules are always secreted from the signaling cell

What will be an ideal response?

Biology & Microbiology

The ____ are the primary photosynthetic organisms of marine plankton

a. apicomplexans b. diatoms c. dinoflagellates d. parasitic ciliates e. free-living ciliates

Biology & Microbiology

Identify the correct pathway for signal flow between neurons in the vertebrate nervous system

a. stimulus, sensory neurons, interneurons, motor neurons, effectors b. effectors, sensory neurons, interneurons, motor neurons, stimulus c. sensory neurons, stimulus, interneurons, motor neurons, effectors d. motor neurons, interneurons, stimulus, sensory neurons, effectors e. motor neurons, sensory neurons, stimulus, interneurons, , effectors

Biology & Microbiology

Boxes 1 and 2 of the figure most likely represent different



A. species.
B. clones.
C. gene pools.
D. communities.

Biology & Microbiology