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16 Cards in this Set

  • Front
  • Back

Acid

A molecule that releases hydrogen Ions in a solutions

Activation Energy

An initial input of energy in a chemical reaction that allows the molecules to get close enough to cause a rearrangement of bonds

Which of the following is not found in a prokaryotic cell?

Endoplasmic reticulum

All but one of the following are found in both plant and animal cells. Which one is not?

Chloroplasts

Which of the following is a component of cilia and flagella?

Microtubules

For any 3-d shape of length L:

Volume is proportional to L^3

As a cell or other object gets smaller, its surface area/volume ratio:

Gets larger.

The difference in size between you and your cells, in an absolute sense, is about:

2 meters

The difference in size between you and your cells, in a relative sense, is roughly the same as the difference between you and:

Missouri (4.5x105 m) (450 km)

What catalyzes protein synthesis?

Ribosomes

Where is the site of endocytosis?

Cell Membrane

What is continuous with the nuclear membrane?

Endoplasmic Reticulum

Which is evidence for an endosymbiotic origin of mitochondria?

mitochondrial DNA

Energy use by cells results largely from active transport of:

Cl- in and Mg++ out

The structure of prokaryotic cells usually includes a cell wall. Which transport process is generally not compatible with a cell wall?

Endocytosis

Amino Acid

The building blocks of proteins. Amino acids have a common structure in which a carbon atom, called the α-carbon, is linked to an amino group (NH2) and a carboxyl group (COOH). The α-carbon also is linked to a hydrogen atom and a particular side chain