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UF BSC2010 Exam 2 (Cell Division) Flashcards | StudBud
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UF BSC2010 Exam 2 (Cell Division)
UF BSC2010 Exam 2 (Cell Division)
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Answers
1
Centrosomes are located in the nucleus?
False
True
2
What is the fusion of chromosomal pairs called?
chiasmata
bivalent
tetrad
synapsis
3
The cytoskeleton is?
Disassembles and reassembles
Dynamic
the "internal scaffolding" of a cell
constructed of microtubules, microfilaments, and intermediate filaments
4
An S phase occurs between Meiosis I and II
True
False
5
In which phase does the quantity of genetic material double?
G1 Phase
Prophase
S Phase
G2 Phase
6
How many chromosomes are in this image?
2
8
Both 4 and 8
4
7
What is the sexual life cycle of animals?
Diplontic
Haplontic
8
Which protein packs DNA together to form chromosomes?
Telomerase
Chromatid
Whey
Actin
9
What enzyme hydrolyzes the cohesion linking chromatids during anaphase?
dynein
separase
kinesin
hydrolase
10
At which phase does chromatin begin condensing into chromosomes?
G1 of Interphase
Metaphase
Prophase
Prometaphase
11
The number of homologous chromosomes that exist for each chromosome type is called ______?
Trisomy
homologous
Haploidy
Ploidy
12
Cytokinesis in plant cells involves?
myosin
a contractile ring
cell plate membrane
actin
13
Which of these is not a part of the "M" phase?
mitosis
cytokinesis
prometaphase
interphase
14
At which phase does the nuclear envelope fade completely?
Anaphase
Prometaphse
Prophase
Metaphase
15
If there are 10 chromosomes at the end of Meiosis I, how many are there at the end of Meiosis II?
20
10
5
15
16
At which stage of meiosis does crossing over occur?
Prophase I
Prophase II
Metaphase II
Metaphase II
17
What is the region of a chromosome where microtubules attach during cell division?
chromatid
centrotide
centromere
centrosome
18
There is no better creature than this cat?
Yes
Heck yes
Also yes
Yes
19
Cells that undergo meiosis go from?
Diploid to haploid
Haploid to diploid
20
What phase of Mitosis is this cell in?
Anaphase
Prometaphase
Metaphase
Telophase
21
Having an abnormal amount of chromosomes is ____?
Polyploidy
Apoptosis
Abploidy
Aneuploidy
22
Which of these are ways meiosis results in genetic variation? (choose 2)
mutation
Independent assortment
telomere shortening
Crossing Over
23
Which does NOT regulate the cell cycle?
Chromatin
Cyclins
phosphorylating enzymes
Cyclin dependent kinases
24
Alternate versions of genes are called ________?
genomes
loci
alleles
punnetts (spelling??)
25
Which is NOT a failure of Mendel?
naturalist hate
he did not perform enough crosses for statistical evidence
he was a monk
Lack of a mechanism
26
Where does replication begin in binary fission?
the ori region
the edge of the cell
the enclosed nucleus
the ter region
27
What are membranous lobes that break into fragments during apoptosis?
separases
belbs
fragtosis
chromotremo
28
How many chromatids are in this cell?
8
16
4
none and biology is a lie
29
In meiosis for each parent cell how many daughter cells are formed?
8
2
78546952789
4
30
Cells are split evenly down the middle with half of the parent organelles going to each daughter cell?
True
False
31
The Golgi apparatus assists in cytokinesis ____?
In Animal Cells
In prokaryotes
Never
in Plant Cells
32
What must be in a test cross?
heterozygous
A pea plant
a homozygous recessive
homozygous dominant