In your own words and with your own examples, explain fully how cells are limited in size and how some cells have modifications that allow them to be larger or more adapted to a particular function in spite of these limitations
What will be an ideal response?
Answer: Answers will vary greatly; however, all essays should contain the elements of (1) adequate surface area/volume ratio; (2) rates at which molecules diffuse; and (3) maintaining adequate local concentrations of enzymes and other molecules. Adaptations can include sequestering functions to organelles and any of the ways cells maximize their surface area, such as villi and microvilli.
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Axonemal microtubules
A) are highly disorganized but very stable. B) may be loosely associated with basal bodies. C) are organized around a central shaft or axoneme. D) are required to maintain axons. E) did not become clearly recognized until better fixation techniques became available in the 1960s.
Woody plants that do not consist of a large main trunk are called
a. grasses. b. shrubs. c. succulents. d. trees
Given a sequencing reaction length of approximately 500 successive nucleotides, what is the absolute minimum number of sequencing reactions needed to determine the complete human genome, excluding overlap and redundancy?
A. 6.2 million B. 3.1 billion C. 6200 D. 12.4 million
Animals that have no body cavity between the digestive system and the body wall are ________ in terms of body plan
Fill in the blank(s) with correct word