Patti's Biology

183 Questions  I  By Alt_key on May 2, 2012

  

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1.  How do the alpha and beta forms of glucose differ?
A.
B.
C.
2.  In which organelle are lipids synthesized and modified within the eukaryotic cell?
A.
B.
C.
D.
E.
3.  What is the difference between NAD+ and NADP?
A.
B.
C.
D.
4.  Photosystems:
A.
B.
C.
D.
E.
5.  What is the final result of mitosis?
A.
B.
C.
D.
6.  Which of the following is a difference between RNA and DNA?
A.
B.
C.
D.
7.  Which of the following molecules must move across the nuclear membrane after being synthesized from a DNA sequence and is then translated by a ribosome (in eukaryotes)?
A.
B.
C.
D.
8.  If the DNA code for a particular amino acid is AGT, then the anticodon on the tRNA would be ____________.
A.
B.
C.
D.
9.  Sigma plus the core enzyme of RNA polymerase is called the:
A.
B.
C.
D.
10.  Put the following events of elongation in prokaryotic translation in chronological order: 1. binding of mRNA with small ribosomal subunit 2. recognition of initiation codon 3. complementary base pairing between initiator codon and anticodon of initator tRNA 4. base pairing of the mRNA codon following the initator codon with its complementary tRNA 5. attachment of the large subunit
A.
B.
C.
D.
11.  Chromasomes and their homologues align at the equator of the cell during ________.
A.
B.
C.
D.
12.  Which of the following is an incorrect matching of organelle/cell part with its function?
A.
B.
C.
D.
E.
13.  If RNA polymerase is missing __________ then transcription would not begin.
A.
B.
C.
D.
E.
14.  Which of the following is NOT synthesized from a DNA template?
A.
B.
C.
D.
15.  Which of the following molecules is not required for translation?
A.
B.
C.
D.
16.  A man and woman are both of normal pigmentation and have one child out of three who is albino (without pigmentation).  Albinism is an autosomal recessive trait.  What are the genotypes of the albino's parents?
A.
B.
C.
D.
E.
17.  In photosynthesis, both the first and the second photosystems:
A.
B.
C.
D.
18.  The first gap in the cell cycle (G1) corresponds to __________.
A.
B.
C.
D.
19.  What is the difference between an aldose sugar and a ketose sugar?
A.
B.
C.
D.
20.  Which of the following is the outermost feature on the surface of the plant cell?
A.
B.
C.
D.
E.
21.  The final electron acceptor(s) associated with photosystem I is/are ___________.
A.
B.
C.
D.
22.  The primary function of molecular membranes is the transport of ions and molecules in and out of cells--transport is directional and selective.  The moving of molecules from areas of high concetration to that of low concentration is best described as:
A.
B.
C.
D.
E.
23.  In cells, the activity of enzymes is often regulated by other molecules.  Why is this necessary?
A.
B.
C.
D.
24.  What event accompanies energy absorbion by chlorophyll?
A.
B.
C.
D.
25.  The term 'allele' most accurately refers to:
A.
B.
C.
D.
26.  Which of the following is an important difference between the rough endoplasmic reticulum and the smooth endoplasmic reticulum?
A.
B.
C.
D.
27.  You are bored at a lunch meeting and surreptitiously place a raisin in your glass of water.  The raisin swells to twice its original size.  Relative to the water, the raisin must have been:
A.
B.
C.
D.
E.
28.  A father has type AB blood.  Which of the following statements is NOT true?
A.
B.
C.
D.
29.  The light reactions of photosynthesis supply the Calvin cycle with:
A.
B.
C.
D.
30.  Where is most of the water in cellular respiration produced?
A.
B.
C.
D.
31.  What scientist first conduced the experiments that led to the discovery of the mechanisms of inheritance?
A.
B.
C.
D.
E.
32.  Given that a cell's structure reflects its function, what would you predict that the function ofa cell with a large Golgi apparatus would be?
A.
B.
C.
D.
E.
33.  The failure of homologous chromasomes or double stranded chromasomes to separate during meiosis is called:
A.
B.
C.
D.
34.  What is a telomere?
A.
B.
C.
D.
35.  The promoter region for transcription in eukaryotic cells is referred to as the:
A.
B.
C.
D.
36.  When ATP is hydrolyzed to ADP, what happens?
A.
B.
C.
D.
E.
37.  In the polymerization of DNA, a phosphodiester bond is formed between a phosphate group of the nucleotide being added and _______ of the last nucleotide in the polymer.
A.
B.
C.
D.
38.  What would happen if MPF (mitosis-promoting factor) is introduced into immature frog oocytes that are arrested in G2?
A.
B.
C.
D.
39.  Which of the following does NOT occur as a direct result of a photon hitting a chlorophyll molecule?
A.
B.
C.
D.
E.
40.  Carbon is an important element for biology because ___________.
A.
B.
C.
D.
41.  During elongation, which site in the ribosome represents the location where a codon is being read?
A.
B.
C.
D.
42.  Sugar and CO2 are dissolved in water to make carbonated soft drinks.  Which of the following is the solute?
A.
B.
C.
D.
E.
43.  If an X-linked trait, such as color blindness, is present in a family, the disease will occur more often in male offspring than in female offspring.
A.
B.
44.  Ribosomes can attach to prokaryotic messenger RNA ____________.
A.
B.
C.
D.
45.  In translation, what signals termination of the process?
A.
B.
C.
D.
46.  In glycolysis, one molecule of glucose containing six carbons is converted to two molecules of _____ containing three carbons each.  This reaction also yields two molecules of _______ and two molecules of ________.
A.
B.
C.
D.
E.
47.  Polymerization of monomers often occurs by removing a hydrogen from one monomer and hydroxyl from the other to remove a water molecule as the monomers join.  This type of reaction is called
A.
B.
C.
D.
48.  Which of the following statements concerning chloroplasts is false?
A.
B.
C.
D.
49.  During DNA synthesis which of the following structures breaks hydrogen bonds between complementary bases?
A.
B.
C.
D.
E.
50.  How do phospholipids interact with water molecules?
A.
B.
C.
D.
51.  Which of these represents a heterozygous genotype?
A.
B.
C.
D.
52.  What is the difference between the leading strand and the lagging strand in DNA replication?
A.
B.
C.
D.
53.  The combination of a tRNA molecule and its properly connected and properly associated amino acid is referred to as the:
A.
B.
C.
D.
54.  When the pH of a solution goes from 7 to 11 we know that ___________.
A.
B.
C.
D.
E.
55.  Which site in the ribosome holds a tRNA attached to the amino acid forming a peptide bond with the amino acid in the previous site?
A.
B.
C.
D.
56.  Biologically speaking, a pigment:
A.
B.
C.
D.
E.
57.  The first CO2 that is released during aerobic cellular respiration is _________.
A.
B.
C.
D.
58.  Anti-codons are part of _________.
A.
B.
C.
D.
59.  When nucleotides polymerize to form a nucleic acid __________.
A.
B.
C.
D.
60.  How does the simple primary and secondary structure of DNA hold the information needed to code for the many features of multicellular organisms?
A.
B.
C.
D.
61.  Which one of the following would you fail to find in a prokaryote?
A.
B.
C.
D.
62.  Where does the Calvin cycle take place?
A.
B.
C.
D.
E.
63.  Both parents have a heterozygous genotype for a particular trait. What are the chances that an offspring will display the recessive phenotype for that trait?
A.
B.
C.
D.
E.
64.  In transcription, the zipper mechanism of the RNA polymerase serves the function of:
A.
B.
C.
D.
65.  Which of the following does NOT occur during the Calvin cycle?
A.
B.
C.
D.
E.
66.  Which of these best reflects the following relationship: monosaccharide vs polysaccharide?
A.
B.
C.
D.
67.  Most of the CO2 from the oxidation of glucose is released during __________.
A.
B.
C.
D.
68.  What molecule serves as a link between the information-containing macromolecule DNA and protein synthesis?
A.
B.
C.
D.
69.  The microtubule-organizing center found in animal cells is an identifiable structure present during all phases of the cell cycle.  Specifically, it is known as which of the following?
A.
B.
C.
D.
70.  A man who carries an allele of an X-linked gene will pass it on to ________.
A.
B.
C.
D.
E.
71.  An atom has six electrons in its valence shell.  How many single covalent bonds would you expect it to form in most circumstances?
A.
B.
C.
D.
72.  Cellular respiration is the process by which:
A.
B.
C.
D.
E.
73.  What is a major difference between meiosis II and mitosis?
A.
B.
C.
D.
74.  DNA is synthesized through a process known as semiconservative replication.  What is the template?
A.
B.
C.
D.
75.  How might a single base deletion in the sequence of a gene affect the amino acid sequence of a protein encoded by the gene and why?
A.
B.
C.
76.  Homologous chromasomes are separated during ________.
A.
B.
C.
D.
77.  Proteins in biological systems ______.
A.
B.
C.
D.
78.  Which statement best summarizes the essence of chemical evolution?
A.
B.
C.
D.
79.  To absorb large particles, cells engulf them within their plasma membrane in a process called:
A.
B.
C.
D.
E.
80.  What type of bond results when the hydroxyl group on glycerol reacts with the carboxylic group on a fatty acid?
A.
B.
C.
D.
81.  Carotenoids:
A.
B.
C.
D.
E.
82.  Nerve cells lose their ability to undergo mitosis.  Instead, they are permanently stuck in _______.
A.
B.
C.
D.
83.  When are atoms most stable?
A.
B.
C.
D.
84.  Color blindness is an X-linked recessive genetic disorder. A father is color blind.  The mother has a homozygous genotype for normal vision.  Choose the correct result regarding children of these parents.
A.
B.
C.
D.
E.
85.  Energy used in cellular respiration can originate from:
A.
B.
C.
D.
E.
86.  Which of the following is the best explanation for why vegetable oil is a liquid at room temperature while animal fats are solid?
A.
B.
C.
D.
87.  The functional groups of amino acids ______________.
A.
B.
C.
D.
88.  The electron transport chain ___________.
A.
B.
C.
D.
89.  Early investigators thought the oxygen produced by photosynthetic plants came from carbon dioxide.  In fact, it comes from ________.
A.
B.
C.
D.
90.  In human and many other eukaryotic species' cells, the nuclear membrane has to disappear in order for what to take place?
A.
B.
C.
D.
91.  A pigment that transmits all wavelengths of visible light appears:
A.
B.
C.
D.
E.
92.  Where are cell membrane components synthesized?
A.
B.
C.
D.
E.
93.  One turn of the Calvin cycle uses _______ molecules of CO2, _______ molecules of NADPH, and __________ molecules of ATP.
A.
B.
C.
D.
E.
94.  The major role of carbohydrates in animals is
A.
B.
C.
D.
E.
95.  Telomere shortening puts a limit on the number of times a cell can divide.
A.
B.
96.  Nucleic acids are polymers made up of which of the following monomers?
A.
B.
C.
D.
97.  Why are there several structurally different pigments in the reaction centers of photosynthesis?
A.
B.
C.
D.
98.  When the atoms involved in a covalent bond have the same electronegativity, what type of bond results?
A.
B.
C.
D.
99.  Metaphase is characterized by _________.
A.
B.
C.
D.
100.  Free earlobes are dominant over attached earlobes.  If two people with attached earlobes have a child, what are the probabilities for the phenotype of their offspring for this trait?
A.
B.
C.
D.
101.  What most distinguishes lipids from other biomolecules is ___________.
A.
B.
C.
D.