Which structure is unique to plant cells? A. cell membrane B. centriole C. cell wall D. vacuole

What is proteins that move needed substances or waste materials through the plasma membrane?

Is the earth heated by incoming solar radiation or from the earth's surface yes or no

3 mutations frameshift mutation how im going to remeber this meaning answer

T or F: The unusual maintenance of genetic diversity among the Mouflon in the Indian Ocean after a severe reduction in their population is mostly due to environmental pressures on the island where they lived.

Multicellular organisms are made up of different types of differentiated cells. Given that all cells in an organism have the same DNA-and thus the same genes-explain how it is that different genes can be expressed only in certain types of cells.

For a certain insecticide, the LD-50 dosage level for rats is determined to be 250 milligrams per kilogram of body mass.

What is the structure/location, reactants (4), and products (3) of Photosynthesis stage 1?

The fusing together of 2 gametes at fertilization is ___ reproduction

what is the function of vesicles in the synthesis of proteins and the release of those proteins outside the cell

Where does first pass metabolism occur? / what route of administration is used to avoid complete first pass metabolism?