Principles of Biology I - Unit 2 Quiz

The breakdown of large molecules into smaller molecules is referred to as

The second law of thermodynamics states that

Kinetic energy is

The extra energy required to start a chemical reaction is known as

Which of the following is NOT correct?

A molecule that competes with the substrate for the active site on an enzyme is called a

The breakdown of one molecule of glucose into two molecules of pyruvate is called _______________.

Where do we obtain the reactants needed for cellular respiration?

The process of chemiosmosis occurs as a result of the development of a proton gradient within the mitochondrion. This gradient is responsible for driving the formation of what molecule?

During photosynthesis, carbon dioxide from the atmosphere is fixed to which molecule in the Calvin Cycle?

In the light reactions, when light strikes the photosynthetic pigments, what is the immediate result?

What gas enters the stomata on the underside of the leaves and is necessary for photosynthesis?

For every molecule of glucose that is formed during photosynthesis, how many molecules of carbon dioxide must enter the Calvin Cycle?

The light-dependent reactions of photosynthesis are responsible for the production of

Succulent plants including cacti utilize the C4 pathway during the night and the C3 pathway during the day within the same cell. These plants are considered to be __________ plants.

This process, whereby oxygen competes with carbon dioxide for binding with RuBP and leads to the oxidation of RuBP and the reversal of carbon fixation, is called _____________ and results in decreasing glucose production by up to 50%.

Which of the following is NOT involved in binary fission in prokaryotes?

In the nucleus, this material is composed of histone proteins and DNA

Comparing cell cycle controls to driving a car, what would a tumor suppressor gene be analogous to?

The kinetochore

One of two identical copies of each chromosome, still linked at the centromere is referred to as a

Fill in the five empty spaces in the chart below: