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
