Biology, 27.07.2019 05:30 itsyagirl11076
Which statement explains why oxygen molecules easily diffuse across a cell membrane while protein molecules do not? a. protein molecules form membrane channels that oxygen molecules can pass through. b. oxygen gas exists as molecules, but proteins are either liquids or solids. c. oxygen molecules fit between fatty acids, but protein molecules are too big. d. proteins contain oxygen that is more useful inside a cell than outside the cell.
Answers: 1
Biology, 21.06.2019 17:00
Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above
Answers: 1
Biology, 22.06.2019 04:50
Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.
Answers: 1
Biology, 22.06.2019 08:50
You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion
Answers: 1
Biology, 22.06.2019 14:40
Explain the causes and effect of damage to the genetic code.
Answers: 1
Which statement explains why oxygen molecules easily diffuse across a cell membrane while protein mo...
History, 07.09.2019 04:10
Computers and Technology, 07.09.2019 04:10