Honors Biology Fall Semester Exam Review

These are absent from prokaryotes.

Which of the following are characterized by the presence of cell walls?

DNA is ultimately expressed in the production of

What are the 2nd most reactive elements?

In an experiment, the independent variable

In an experiment, the variable that is measured is

If nothing else changes, increasing the magnification on a compound microscope will

When a reactant in a chemical reaction meets a catalytic protein, they form

Radiometric dating indicates that Earth is approximately

True or false: A good hypothesis can be proven with a well-designed experiment.

In photosynthesis,

Electrons

In the chemistry of bioluminescence, which of the following compounds isn't used up?

Chemical reactions which result in lowering stored energy are called

What triggers a receptor protein to change the permeability of the cell membrane?

The sodium-potassium pump moves ________ into the cytoplasm against the concentration gradient.

A __________ speeds up a chemical reaction.

Mitosis

The universal short-term energy storage molecule in cells is

The following cell types possess mitochondria for aerobic metabolism of sugar:

Which would reveal the greatest detail about internal structure of a dead cell?

On a microscope, which level of magnification is best for initially focusing on a slide image?

About how long does radioactive carbon remain in a substance?

These are the sites for photosynthesis in plants and algae.

According to the cell theory,

The sum of all of the chemical reactions carried out in an organism is called

The first functional scale in biology where modelers explicitly include abiotic factors is the

Contracted, replicated DNA wrapped in protective proteins is called a/an

At which organizational scale does sexual reproduction occur?

Which of the following is never alive?

Either surface of the cell membrane is

Besides metabolic energy, aerobic cell respiration yields

Plant, fungi and prokaryote cells all have cell walls, and are subject to plasmolysis in

Maintenance of semi-constant internal conditions is known as

A catalytic protein that is not used up in a chemical reaction is called a/an ____________.

______________ transport large substances into, thoughout, and out of cells.

When placed in a hypertonic solution, animal cells will always