The gametophyte of a fern is

(a) haploid.
(b) photoautotrophic.
(c) a structure that produces eggs and/or sperm.
(d) all of the above.


(b) photoautotrophic.

Biology & Microbiology

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Which of the following is a plant behavior that is influenced by light?

A. solar tracking B. phototropism C. flowering D. seed germination E. All of the choices are true

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Removal of introns, addition of a poly-A tail and addition of a guanine cap are all events that occur during:

a. protein folding. b. transcription. c. replication. d. post-transcriptional modification. e. translation.

Biology & Microbiology

When a round fruit plant is crossed with a long fruit plant their offspring are oval. What is the best explanation for this scenario?

A. pleiotropic inheritance B. polygenic inheritance C. incomplete dominance D. X-linked inheritance

Biology & Microbiology

Most rainfall returns water directly to ____.

A. lakes B. rivers C. groundwater D. oceans E. plants

Biology & Microbiology