Human sex cells have 23 pairs of chromosomes. Sex cells, sperm and eggs, are known as ___________ and are _________ These cells are created by _____

Fill in the blank(s) with the appropriate word(s).


Gametes, haploid, meiosis

Biology & Microbiology

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Both plant and animal cells have mitochondria

a. true b. false

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Alpine pennycress plants remove zinc and

cadmium from the soil and store them away in their a. chloroplasts. b. amyloplasts. c. central vacuoles. d. Golgi bodies. e. vesicles.

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A _______________ molecule connects two ribose sugars together in an RNA molecule. Fill in the blank(s) with the appropriate word(s)

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Do mycorrhizal symbioses occur between fungus and nonphotosynthetic plants?

A. No; nonphotosynthetic plants do not need phosphate. B. Yes; nonphotosynthetic plants also need minerals. C. Yes; nonphotosynthetic plants can generate organic compounds without photosynthesis. D. No; nonphotosynthetic plants cannot provide organic compounds to fungi.

Biology & Microbiology