Biology, 15.11.2020 20:20 ghostboy2001
Which of the following best describes an aspect of a membrane's molecular structure that causes it to be selectively permeable?
a. Carrier proteins on either side of the membrane slow the traffic of large molecules into the cell.
b. Nonpolar molecules cannot dissolve in the polar membrane and do not enter the cell easily.
c. The lipid bilayer is hydrophilic and allows polar molecules to enter the cell easily.
d. Transport proteins within the membrane serve as a tunnel for molecules to enter the cell.
Answers: 1
Biology, 21.06.2019 19:30
Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.
Answers: 1
Biology, 21.06.2019 20:20
Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth
Answers: 2
Biology, 21.06.2019 22:40
Which sequence correctly shows the path of carbon dioxide during repiration?
Answers: 1
Biology, 22.06.2019 03:30
If assuming tasting ptc as a simple gene trait,what other genotype would you select to put in this missing genotype box that could result in this phenotype
Answers: 3
Which of the following best describes an aspect of a membrane's molecular structure that causes it t...
Computers and Technology, 12.08.2020 06:01
Mathematics, 12.08.2020 06:01
Arts, 12.08.2020 06:01
Social Studies, 12.08.2020 06:01
Mathematics, 12.08.2020 06:01