General Biology Exam 2
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Last updated 3:09 AM on 2/18/23
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57 Terms
1
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Which is not a stage of the cell cycle?
Eukaryosis
2
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Which stage of interphase has DNA synthesizing?
S stage
3
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Which is not a part of the chromosome and not a stage of mitosis?
Allelophase
4
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When are chromosomes completely condensed?
Metaphase
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When do spindle fibers first form?
Prophase
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Where are cleavage furrows found?
Animals
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Which involves a membranous vesicle containing formation that splits the cell into 2?
Cell Plate
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Which one(s) go/goes through binary fission?
Prokaryotes
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If something has 23 pairs of chromo they are said to be:
Homologous
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What does crossing over produce?
Recombinant chromatids
11
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Interkinesis is the same as Interphase 1
False
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Where do spindle fibers attach to?
Centromere
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Which is not a source of recombination?
Allelopathy
14
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What is a photo of an organism’s chromosomes arranged?
Karyotype
15
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Which of the following causes the newly made polypeptide chain to be released from the ribosome?
Release Factors
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What procedure is done for pregnant women over 35?
Amniocentesis
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What chromosome does down syndrome affect?
21
18
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Which is a syndrome of Turner’s?
Short
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Which individual has Kleinfelters syndrome?
XXY
20
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Which individual has Turner’s syndrome?
XO
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Who is the “Father of Modern Genetics?”
Gregor Mendel
22
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Which shows a mendelian ratio?
3:1
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Which cross involves one trait?
Monohybrid cross
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Which disease involves the substitution of a nucleotide, allowing the protein to function but not to its fullest extent?
Sickle-Cell Anemia
25
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Which of these is the physical expression of genotypes?
Phenotype
26
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Which is homozygous recessive
BB
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Which is Homozygous recessive?
bb
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Which is Heterozygous?
Bb
29
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What type of cross would this be: RRYY x rryy
Dihybrid
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What do genes code for?
Proteins
31
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Where does transcription take place?
Nucleus
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Where does translation take place?
Cytoplasm at ribosomes
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What type of codon ends elongation?
Non-sense
34
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Which is a step of translation?
All of above: Initiation, elongation, and termination
35
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Which mutation involves the insertion or deletion of a nucleotide?
Frameshift
36
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Where does translation take place?
Cytoplasm
37
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What does crossing-over produce?
Recombinant chromatids
38
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What is the first stage of interphase and vary in time
G1
39
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Which is not a stage of the cell cycle?
Meiosis
40
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Which is longer?
Neither for the S phase nor G2
41
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When do sister chromatids first appear?
Anaphase
42
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Where are cleavage furrows found?
Animals
43
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Common name for trisomy 21, 3 instead of 2 chromosomes
Down syndrome
44
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Bb
Hetero
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bb
homo-recessive
46
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Which individual has Klein disease?
XXY
47
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Turner syndrome
XO
48
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Individuals with Turner’s syndrome aren’t what
Fertile
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Which mutation is redundant?
Silent
50
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Does a carrier express a trait
No
51
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What is the Anticodon to: UCA
AGU
52
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Termination involves the stop codon
True
53
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How many nucleotides make up a codon.
3
54
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Transcription takes place in the nucleus
True
55
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Which individual has Klein disease?
XXY
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