Biology, 19.10.2020 09:01 shelbyp2003

Which molecules may diffuse across a cell membrane without the expenditure of energy or the use of membrane proteins?

Answers: 3

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 15:00, wfergphilly3159

Choose a mutation from those in model 2 that would be neutral for a cell. explain your reasoning by relating the mutation to the cellular respiration process.

Answers: 3

continue

Biology, 22.06.2019 02:00, winterblanco

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except

Answers: 1

continue

Biology, 22.06.2019 03:30, pineapplefun

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.

Answers: 1

continue

Biology, 22.06.2019 16:50, victoriacarr638

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.

Answers: 3

continue

You know the right answer?

Which molecules may diffuse across a cell membrane without the expenditure of energy or the use of m...