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Biology Exam 2
Biology Exam 2 WSU
44
Biology
Undergraduate 1
03/12/2009

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Term
Oxidative Phosphorylation
Definition
This process generates ATP using electron transfer reaction.
Term
ATP Synthase
Definition
This electron transport chain structure has the same function in the mitochondrial membrane and thylakoid membrane.
Term

Plants produce their macromolecules during the ____________.

Definition
Calvin Cycle
Term
In plants, nucleic acids are produced from _________.
Definition
RUMP
Term
In plants, sugars are produced from ______.
Definition
G3P
Term
In plants, lipids are produced from _________.
Definition
3PG
Term
When electrons flow along the Electron Transport Chain of mitochondria, what change occurs?
Definition
The proton gradient created produces an acidic environment in the inner mitochondrial space.
Term
At which stages of the cell cycle would liver cells have the same amount of DNA?
Definition
G1; Cytokinesis
Term
For each glucose molecule that enters Aerobic Cellular Respiration, how many ATP, NADH and FADH2 are produced in the Krebs Cycle and how many total ATPs will they generate?
Definition

2 ATP

6 NADH

2 FADH2

total of 24 ATP

Term
These are electron and proton carriers.
Definition
NADP, NAD and FAD
Term
If a cell has enough ATP, this enzyme will not be made until the cell needs ATP.
Definition
Phosphofructokinase
Term
Cells switch to Anaerobic Cellular Respiration from Aerobic Cellular Respiration under this condition.
Definition
When Electron Acceptors are not available.
Term

This is a special membrane protein located in the inner thylakoid membrane that produces a "burst" of energy and is needed for the reaction ________.

Definition

ATP synthase

 

ADP + Pi ---> ATP

Term
During oogenesis, a _____ is released from the ovary.
Definition
Secondary Oocyte
Term
If fertilization does not occur to the secondary oocyte will meisos II be completed?
Definition
No
Term
Each NADH produced during glycolysis is only worth2ATP's because why?
Definition
Each NADH loses energy as it crosses the mitochondrial membrane and is only worth 2 ATPs.
Term
This reaction takes place during photosystem II.
Definition
H20 ---> 2H+ + 1/2Oxygen + 2 Electrons
Term

Non-cyclic electron transport in plants produces
_____ + ______ and _____.

Definition
NADPH + H+ and ATP
Term
Cyclic Electron Transport in plants produce only __________.
Definition
ATP
Term
Functionally, the mitochondrial membrane is to mitochodria as the _____________ are to __________________.
Definition

thylakoid membranes are to chloroplasts

 

ETC happen both in the mitochondrial membrane and thylakoid membranes.

Term

 

At what stage during mitotic cell cycle does a cell have twice the amount of DNA than a cell at cytokinesis?

Definition
At the end of S phase portion of Interphase. DNA replication occurs here.
Term
At the end of spermatogenesis, a total of ______________________ containing _________________ the number of chromosomes are produced.
Definition
4 Spermatids containing 1/2 chromosomes.
Term

Nondisjunction occurs during ____________ or _____________.
Definition
Meiosis I or Meiosis II
Term
This molecule has the most free energy (ATP) per molecule.
Definition
Triglyceride molecule
Term

This process produces ATP during glycolysis and the Krebs cycle.
Definition
Substrate Level Phosphorylation
Term
Interphase of the cell cycle occurs both in Mitosis and Meiosis.
True or False?
Definition
True
Term
ATP drives cellular work by _______.
Definition
Breaking ATP and changing to ADP and phosphate.
Term
Why do sex cells go through meiosis?
Definition
To ensure chromosome reduction (to haploid) and genetic variation (crossing over).
Term
Most of the ATP produced in Cellular Respiration comes from which process?
Definition

 

Oxidative Phosphorylation

Term
The process of photosynthesis requires _________ and ___________ to produce ___________ and ___________.
Definition

Carbon dioxide and Water

 

Sugars and Oxygen

Term
What is the Cori Cycle?
Definition
When lactic acid is removed from muscle cells and sent to the liver and is made into glucose (gluconeogensis).
Term
When lacking oxygen, muscles produce _________ instead of ________.
Definition

 

 

lactic acid

 

pyruvate

Term
Name the two methods used to test for nondisjunction.
Definition

Amniocentesis

 

Chroionic Villus

Term
The liver will produce glucose from amino acids via the process called ____________.
Definition
Gluconeogenesis
Term
Glycolysis occurs in this location of the cell.
Definition
Cytoplasm
Term
In plants the ________ is for gas exchange.
Definition
stomata
Term
During fetal development in females ___________ occurs during ____________ of meiosis I and the process does not stop until _________.
Definition

Crossing Over

 

Prophase I

 

Puberty

Term
What reaction takes place at the end of
photosystem I?
Definition
NADP+ + 2 electrons + H+ ---> NADPH + H+
Term

Which event is found in mitochondria but not thylakoids (plants)?

 

Definition
Krebs Cycle
Term
What is the final electron acceptor in cellular respiration?
Definition
Oxygen
Term
What is the final
electron acceptor in photosystem I?
Definition
NADP
Term
What is happening during metaphase II?
Definition
Alignment of sister chromatids and marking of the metaphase plate at the cell equator.
Term
What reaction happens during the Calvin cycle?
Definition

Ribulose Biphosphate
(RuBP) + CO2


----
requires enzyme RUBISCO----->

 

3-phosphoglycerate

Term

The energy released from the electrons passing down the Electron Transport Chain of animal cells is used for _________.
Definition
Pumping hydrogen from the mitochondrial space, across the mitochondrial membrane and into the inner membrane space.
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