This type of cell is closely associated with a companion cell
a. sieve tube member
b. tracheid
c. vessel elements
d. sclerenchyma
e. collenchyma
A
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How many microhabitats does a redwood provide for other organisms?
a. None, but it has its own microhabitat with specific resource requirements. b. None, but many different organisms share its habitat. c. A few, because other organisms live on trees. d. Many, redwoods create a variety of microhabitats because of their large size.
In eukaryotes, DNA is transcribed in the _____
a. mitochondria b. cytoplasm c. ribosomes d. nucleus e. endoplasmic reticulum
Protruding from the inner membrane of the mitochondria into the matrix are knoblike spheres called ________ complexes, which are attached by a short protein stalk to a(n) ________ complex. Together these complexes are referred to as the ________ complex
Fill in the blank with correct word.
While walking in a tropical forest, you come upon a 6-meter-tall plant that shows no evidence of seed production. The plant is most likely a(n)
A) angiosperm. B) gymnosperm. C) alga. D) bryophyte. E) fern.