Biological membranes are said to be selectively permeable. What does this term mean, and how does this affect the way the molecules are able to move through cellular membranes?

Which type of molecule is fat? lipid carbohydrate protein nucleic acid

How long does the lytic cycle usual take

Glucose is not able to pass through a semi-permeable cell membrane. If the cells need sugar to make ATP and carry out cellular processes, how does the sugar get into the cell?

According to Chargaff's rule, base pairing in DNA should resemble which of the following? A = T; C = G A = C; T = G A = G; T = C A = U; C = G

How can you determine Cell Theory?

The cerebellum can be permanently damaged by stroke or temporarily affected by drugs or alcohol. The resulting disturbance in motor control is known as:

A narrow strip of land connecting two larger land bodies is known as a (n: a. peninsula b. bridgeland c. spine d. archipelago e. isthmus

What are fat soluble signalmolecules that are derived from cholesterol?

A wealthy businessman uses modern DNA technology to bring dinosaurs back from extinction. He breeds many varieties of dinosaurs and plans to open a theme park where visitors can see them.

If a DNA sample contains 25 percent adenine (A), what percent of thymine, cytosine, and guanine must it contain? Use Chargaff's rule to construct your answer