Biology- Test #2

During cellular respiration, the total net production of ATP for every molecule of glucose is _________.

38 ATP molecule

Photosynthesis I in the thylakoid membrane will absorb a _______nmwavelength of light.

700

During the Citric Acid Cycle __________.

All of the above

What factor(s) may affect the function of an enzyme.

All of the above

The mitochondrion is composed of all the following EXCEPT.

All of the above are components of a mitochondrion

All the following cell types are arrested to G0 in the cell cycle EXCEPT.

All of the above cell types are arrested to G0

The G2 checkpoint in the cell cycle determines if _________.

All the DNA has been replicated

Chromosome structure can be altered by which of the following mutations?

All the above

In this stage of the cell cycle the DNA is referred to as daughter chromosomes.

Anaphase

The reactants of photosynthesis are __________.

CO2 and Water

Karyotyping involves the matching of homologous chromosomes. These chromosomes are paired according to all the following EXCEPT.

Centrosomes

The energy contained (stored) within the covalent bonds between atoms is referred to as __________.

Chemical potential energy

All the following statements are true regarding enzymes EXCEPT

Enzymes can react with more than one substate

As energy is converted from one form to another entropy (disorder) always decreases

False

Chloroplasts are found in the epidermal cells of the leaf

False

Exergonic reactions require the addition of energy either from light (solar) or heat.

False

In a catalytic reaction, some of the enzymes is used up in the reaction.

False

Mitosis involves two rounds of cell division to produce haploid daughter cells.

False

Photosystem II is followed by a short E.T.C

False

The Calvin Cycle of photosynthesis only occurs in the absence of light

False

Which of the following cell types is produced by Meiosis?

Gametes

In the Calvin Cycle, G3P can be broken down to produce ________, which is necessary for the growth of the plant.

Glucose

All the above occur in the Light-dependent Reactions of photosynthesis EXCEPT.

Glucose is produced

Which of the following represents sequence of oxidation of glucose during cellular respiration?

Glucose to Pyruvate to Acetyl CoA to Citric Acid

When a muscle become anaerobic during strenuous exercise, pyruvate is converted to ________.

Lactic Acid

In which process are the daughter cells genetically identical to each other?

Mitosis

During Cellular Respiration, the electron carriers that supply electron transport chain are ________.

NADH and FADH

In meiosis, does crossing-over take place between sister or non-sister chromatids?

Non-sister chromatids

Which of the following is a reason for Mitosis?

Only a and c

In a reaction between sodium (Na) and chlorine (Cl), Na loses an electron and is ___________.

Oxidized

All the following statements is true regarding the Light-dependent reactions of photosyntheis EXCEPT.

Process occurs in the stroma

In what phase of meiosis does a tetrad form between homologous chromosomes resulting in crossing-over?

Prophase I

When the Calvin Cycle is proceeding normally, the carbon fixation of CO2 to RuBP producing 3-PGA occurs by the enzyme activity of __________.

Rubisco

The Calvin Cycle of photosynthesis occurs in the _________ of the Chloroplasts.

Stroma

The source of energy that directly drives the synthesis of ATP by ATP Synthase is ______________.

The high concentration of H+ (protons) on one side of the membrane (protons motive force)

An excergonic reaction will occur spontaneously.

True

Before a cell divides, it is crucial that all the DNA is first replicated (copied).

True

During photosynthesis, the Light-dependent Reactions occur in the Thylakoid membrane of the grana

True

During the Citric Acid Cycle, the breakdown of glucose is complete

True

Energy cannot be created or destroyed; it can only be converted from one form to another

True

Glycolysis is the breakdown of glucose to produce pyruvate

True

In a coupled reaction, an endergonic reactions uses the energy from an exergonic reaction to drive the endergonic products.

True

In endergonic reactions, the reactants are favored.

True

In meiosis, the parent cell is diploid (2n) and the daughter cells are haploid (n)

True

Mitochondria and chloroplast both contain DNA.

True

The cell cycle cannot proceed forward unless all three checkpoints are cleared.

True

To break a bond between atoms energy must be released.

True

Photosynthesis uses solar energy. On the electromagnetic spectrum, this includes _____________.

Visible light waves

CAM plants avoid photorespiration by ____________.

closing their stomata during the day, then opening their stomata at night to take in CO@. This CO2 is then banked for use during the day when the stomata are closed.

Glycolysis occurs in the _____________.

cytoplasm

Which of the following is true of an exergonic reaction?

only a and c