Author: Anonymous

In facilitated diffusion, the net movement of a molecules is:

The purpose of the citric acid cycle is to generate energy from the break down of the acetyl group that is taken into the cycle and convert the intermediary molecules in the cycle back to:

The active site on an enzyme can lower the activation energy in several ways.  Which of the following is not one of those ways?

Which of the following is a finding that became known as part of Chargaff’s rules?

True or False: Cells are open systems.  Since they are able to obtain nutrients and remove waste products, a cell’s metabolism can reach equilibrium with their surroundings.

In the equation: ΔG = ΔH -TΔS, ΔS represents:

Snowfall Enterprises produces a single product. During the current year, Snowfall had a beginning inventory of 13,000 units, produced 35,000 units, and sold 42,000 units. Snowfall’s current year costs are as follows:   Snowfall’s per-unit costs were the same in prior years. What is Snowfall’s ending inventory balance using variable costing? Round to the nearest whole dollar and do not enter a dollar sign (e.g., enter 89, not $89.00).

Human blood type alleles A and B can both be expressed equally on the cell surface. This demonstrates

True or False: A carrier protein always carries molecules against the concentration gradient.  A carrier protein always uses energy to move molecules across the plasma membrane.

Transversions tend to be ________ damaging than transitions. An example would be a single nucleotide change from a pyrimidine to a ________.