active ways of crossing a plasma membrane

What will be an ideal response?


active transport
vesicle formation

Biology & Microbiology

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Which of the following is INCORRECTLY paired with its function?

A. lipase, triglyceride breakdown B. micelles, chylomicron production C. epithelial cells, triglyceride synthesis D. chylomicrons, triglyceride transport E. bile salts, emulsification

Biology & Microbiology

What key advantage do emerging technologies, such as MALDI-TOF and next generation sequencing, have over conventional hybridization and amplification techniques?

a. They do not require selection of suspected pathogens prior to testing. b. They do not require expensive instrumen-tation or skilled technicians. c. They eliminate sample preparation steps, such as nucleic acid purification, prior to testing. d. They are readily available in most clinical laboratories. e. All of the above.

Biology & Microbiology

The last two remaining females from the region with the introduced snakes disperse and join

another group of widowbirds that are nesting 50 km away. There they find new mates and produce offspring. This group of birds would be considered a(n) __________.

a. population b. ecosystem c. community d. niche

Biology & Microbiology

The part of the Drosophila zygote with high bicoid concentration will

A. become the anterior region of the embryo. B. become the segments that will have legs. C. become the segment that will have wings. D. become the region of the embryo that has a spiracle. E. become the tail region of the embryo.

Biology & Microbiology