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Principles of Biology Exam 3 Questions
n/a
39
Biology
Undergraduate 1
12/07/2014

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Term
ATP, NAD+, Adenylate kinase, carbonic acid

Which of these is an electron carrier molecule?
Definition
NAD+
Term
First stage of cellular respiration that takes places in the cytoplasm and requires no oxygen
Definition
Glycolysis
Term
How many net ATP molecules are made in glycolysis
Definition
2
Term
If a parent cell has 48 chromosomes, how many chromosomes will the daughter cells have after mitosis?
Definition
48
Term
_____ occupies the majority of the cell cycle
Definition
Interphase
Term
Diploid number of chromosomes for humans
Definition
46
Term
In the process of glycolysis, glucose is cleaved into a pair of three-carbon _______ molecules
Definition
Pyruvate
Term
What is produced when beer or wine is made
Definition
CO2, ATP, and ethyl alcohol
Term
Process that produces NADH and FADH2
Definition
Krebs cycle
Term
Correct sequence of cell cycle
Definition
G1, S, G2, M
Term
Mitosis cycle sequence
Definition
Prophase, metaphase, anaphase, telophase
Term
Aerobic metabolic breakdown sequence
Definition
Glycolysis, krebs cycle, electron transport system
Term
What is produced during the krebs cycle?
Definition
C02, NADH, FADH2, ATP
Term
Most CO2 made during aerobic respiration is from the
Definition
Krebs cycle
Term
G1, S, and G2 phases are known as
Definition
Interphase
Term
Complete oxidative breakdown of glucose results in _____ ATP molecules
Definition
36
Term
Acetyl-CoA is either directed into the Krebs cycle or
Definition
channeled into fat synthesis
Term
Membrane protein that transforms ADP+P into ATP as H+ flows down a gradient from the intermembrane space into the matrix is:
Definition
ATP synthase
Term
Replicate copies of each chromosome are called ________ and are joined at the ________
Definition
Sister chromosomes; centromere
Term
Stage of mitosis where replicated chromosomes condense and nuclear envelope disappears
Definition
Prophase
Term
Network of protein cables that pull the chromatids to opposite sides
Definition
Mitotic spindle
Term
Stage of cell respiration that makes the most ATP
Definition
Electron transport chain
Term
Electrons generated from Krebs go next to the
Definition
Electron transport chain
Term
Cancer cells break away and start new tumorous areas
Definition
Metastasis
Term
Macromolecule broken down into intermediate products that enter cellular respiration
Definition
Proteins, lipids and carbohydrates
Term
For fatty acids to enter the Krebs cycle, it must be
Definition
Converted to acetyl groups and combined with coa
Term
Region that contains the genetic information in bacteria
Definition
Nucleoid
Term
First reaction in the krebs cycle
Definition
Binding acetyl-coa to a C4 molecule
Term
When substrate level phosphorylation occursm it means that
Definition
ADP is converted into ATP by adding a phosphate group
Term
In the life cycle of animals, _____ have a haploid number of chromosomes
Definition
Sperm and egg cells
Term
What environmental condition makes yeast ferment/
Definition
Absence of oxygen
Term
Acetyl-coa is either directed into the krebs cycle or
Definition
channeled into fat synthesis
Term
The exchange of genetic information between homologous chromosomes is known as
Definition
Crossing over
Term
Separation of homologous chromosomes
Definition
Anaphase 1
Term
Process of independent assortment:
Definition
Orientation of homologous chromosomes at metaphase 1
Term
If a cell contains 12 chromosomes at the end of meiosis 1, how many will it contain at the end of meiosis 2?
Definition
6
Term
If a sperm contains 12 chromosomes, the organism it came from contains
Definition
24
Term
An organism's haploid # is 32. its diploid number is
Definition
64
Term
Asexual reproduction does not include

meiosis, mitosis, gametes
Definition
Meiosis or gametes
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