Biology

In glycolysis,

4ADP are produced

Visible light occupies what part of the electromagnetic spectrum?

A small portion in the middle

Carbon dioxide fixation if the Calvin Cycle require

ATP and NADPH

In the light reaction ______ is produced

ATP and NADPH

The Calvin Cycle uses _____, which are products of the light reactions of photosynthesis

ATP and NADPH

An enzyme

All of the above

When a signal molecule binds to a receptor protein, the receptor protein may

All of the above

Which type of molecule is found in the cell membrane?

All of the above

If no oxygen is available accept electrons during aerobic respiration

All the above

In the figure below, the reactions of the electron transport chains occur in the structure labeled

C

Polysaccharides are

Carbohydrates

Which of the following is one difference between prokaryotes and eukaryotes?

Eukaryotes contain mitochondria

Ridding the cell of materials by discharging the materials in vesicles is called

Information is sent into the cell

A chemical formula shows the

Kinds of bonds found in the molecule

Photosynthesis light reaction occurs

On the thylakoid membrane

Ionic bonds form between atoms and molecules that have

Opposite charges

Which of the following environmental factors does NOT directly influence the rate of photosynthesis

Oxygen concentration

3CO2 + 3H2O -----> C3H6O3 + 3O2 This equation summarizes the overall process of

Photosynthesis

Due to the polarity of water compounds that dissolve best in water contain

Polar bonds

A molecule that has a partial charge on one side and a partial negative charge on the other side is called a

Polar molecule

The interior portion of a cell membrane forms a nonpolar zone that

Prevents ions and most large molecules from passing through the membrane

The colors of light that are most effective for photosynthesis are

Red, blue, and violet

The structures labeled A are

Ribosomes

The Calvin cycle begins by the attachment of CO2 to which off the following?

RuBP

The Calvin Cycle takes place in the ____ of chloroplasts.

Stroma

The molecule on which an enzyme acts is called a(n)

Substrate

Which of the following correctly sequences the flow of energy?

Sun, grass, rabbit, fox

The structure labeled B is

The endoplasmic reticulum

The Calvin Cycle functions to construct carbohydrates from carbon dioxide. Correct answer:

True

The structure labeled D is a(n)

Vesicle

Hydrogen ions, H+, react with hydroxide ions, OH-, to form

Water

The source of oxygen produced during photosynthesis is

Water

Which of the following conditions affects the function of enzymes?

all of the above

An example of a prokaryotic cell is a(n)

bacterium

Refer to the illustration above. Which cell is most likely to lose both water molecules and dissolved particles as the system approaches equilibrium?

cell D

C6H12O6---->6CO2+6H2O+energy

cellular respiration

Refer to the illustration above. In this system, dissolved particles in cell B are most likely to

diffuse into cell A

Refer to the illustration above. The process shown is called

diffusion

Molecules that are too large to be moved through the membrane can be transported into the cell by

endocytosis

Refer to the illustration above. In this system, water molecules are most likely to diffuse in which direction?

from C to A

The role of oxygen in respiration if found

in the electron transport chain

Reducing activation energy

is accomplished by the action of catalysts on reactants

Acidic solutions have a pH that is

less than 7

Which of the following types of microscopes can be used to view living specimens?

light microscope

A cell's digestive enzymes are stored in

lysosomes

The nucleus of a cell contains all of the following EXCEPT

mitochondria

Sharing of electrons in the outer energy levels of two atoms

occurs in covalent bonds

Aerobic respiration follows glycolysis when___ is available

oxygen

Long chains of amino acids are found in

proteins

Signal molecules bind to

receptor proteins

Which of the following is a carbohydrate

sucrose

The first step in photosynthesis is

the splitting of water

Carotenoids are pigments that

trap light chlorophyll cannot