Biology, 11.03.2020 01:45 varonadestiny1109
Some solutes are able to pass directly through the lipid bilayer of a plasma membrane, whereas other solutes require a transport protein or other mechanism to cross between the inside and the outside of a cell. The fact that the plasma membrane is permeable to some solutes but not others is what is referred to as selective permeability.
Which of the following molecules can cross the lipid bilayer of a membrane directly, without a transport protein or other mechanism? Select all that apply.
Oxygen, water, lipids and carbon dioxide
Answers: 3
Biology, 21.06.2019 20:00
Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.
Answers: 2
Biology, 21.06.2019 22:00
Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.
Answers: 2
Biology, 22.06.2019 18:20
During the final stage of the cell cycle, cytokinesis allows the cell to finish dividing, creating with copies of dna. can someone fill in the blanks?
Answers: 1
Biology, 22.06.2019 23:30
The limbic system structure that regulates hunger is called the
Answers: 2
Some solutes are able to pass directly through the lipid bilayer of a plasma membrane, whereas other...
English, 07.09.2021 03:50
Mathematics, 07.09.2021 04:00
Mathematics, 07.09.2021 04:00
Biology, 07.09.2021 04:00
Mathematics, 07.09.2021 04:00
Mathematics, 07.09.2021 04:00