Bio Chapter 10 Quiz
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Bio Chapter 10 Quiz
- 1.Why do bacteria divide?
- A.
To spread from host to host.
- B.
To replicate themselves.
- C.
As a source to find food.
- 2.What is the reproduction of bacteria (how does it work)?
- A.
The tearing of the bacteria.
- B.
A host.
- C.
It is clonal.
- 3.What do bacteria lack?
- A.
A sex cycle
- B.
A cell cycle
- C.
Osmosis
- D.
Movement on their own
- 4.Where does binary fission occur?
- A.
Bacteria
- B.
Eukaryote
- C.
Prokaryotes
- D.
In a cell.
- 5.What is the genome of bacteria made up of?
- A.
Two threads of DNA.
- B.
Two molecules of DNA.
- C.
A single, circular, DNA molecule.
- D.
Two long, circular, DNA molecules.
- 6.What is created during binary fission?
- A.
Sister cells
- B.
Daughter cells
- C.
Red blood cells
- D.
White blood cells
- E.
Father cells
- 7.How is septum created?
- A.
Binary fission.
- B.
Osmosis
- C.
Through the G cycle
- D.
Krebs cycle
- 8.What is septation and where does it occur (as it relates to biology) ?
- A.
A process on how the cells divide. It occurs near the center of the cell.
- B.
A process on how the cells divide. It occurs near the mid-point of the cell.
- C.
A process that forms Fitz proteins in a ring. It occurs near the mid-point of the cell.
- D.
A process that forms Central A proteins. It occurs near the mid-point of the cell.
- 9.What is the exact mechanism of septation?
- A.
The cells divide using fitz proteins
- B.
Not known.
- C.
A process that forms Fitz proteins in a ring
- 10.Who first observed chromosomes?
- A.
Walter Flemming
- B.
Thomas Mathis
- C.
Charles Darwin
- D.
Frederick Smith
- 11.What does mitos mean?
- A.
Thread
- B.
Dividing
- C.
Replication
- 12.How many chromosomes do humans have?
- A.
23
- B.
46
- C.
92
- D.
16
- 13.What it is called when you lack a chromosome?
- A.
Monosomy
- B.
Trisomy
- C.
Disomy
- D.
Anatomy
- 14.What it is called when you have an extra chromosome?
- A.
Monosomy
- B.
Trisomy
- C.
Disomy
- D.
Anatomy
- 15.What is chromatin composed of?
- A.
DNA and protein
- B.
RNA and protein
- C.
Glucose
- D.
C6 H12 C6
- 16.How many nucleotides are in a human's DNA?
- A.
1.4 10^8
- B.
1.4 10^9
- C.
1.3 10^7
- D.
46
- 17.Heterochromatin are expressed.
- A.
True
- B.
False
- 18.Euchromatin is expressed.
- A.
True
- B.
False
- 19.What are the 5 stages of the cell cycle?
- A.
G1, S, G2, mitosis, cytokinesis
- B.
Heh.
- 20.What is the primary growth phase of mitosis?
- A.
G1
- B.
G2
- C.
S
- D.
Mitosis
- E.
Cytokinesis
- 21.Which stage does the spindle apparatus assembles?
- A.
G1
- B.
S
- C.
G2
- D.
Cytokinesis
- E.
Mitosis
- 22.Which stage does the cell divides and creates two daughter cells.
- A.
G1
- B.
S
- C.
G2
- D.
Mitosis
- E.
Cytokinesis
- 23.What stage are most cells in humans at?
- A.
G0
- B.
G1
- C.
G2
- D.
Mitosis
- 24.Which are the following stages of mitosis?
- A.
Anaphase
- B.
Phosphase
- C.
Prometaphase
- D.
Metaphase
- E.
Telophase
- 25.What are dislike structures called made up of proteins?
- A.
Centromere
- B.
Kineotchore
- C.
Spindle
- D.
Metaphase
- 26.What is condensation and what phase is it?
- A.
When the cell absorbs water. S phase.
- B.
When the cell dies. G1 phase.
- C.
When they coil more tightly. G2
- D.
When the proteins separate and uncoil. G2
- 27.What transition is required for prophase to go to prometaphase?
- A.
Breaking down the nuclear envelope
- B.
Niggas
- C.
Transferring proteins
- D.
Nothing
- 28.What happens during prometaphase?
- A.
The chromosomes become attached to the spindle.
- B.
The breaking of the nuclueus
- C.
DNA is formed
- 29.What sign signals to you that metaphase has occured?
- A.
Chromosomes become attached to the spindle.
- B.
The kineochord beaks
- C.
Chromosomes align near the center of the cell.
- D.
All of the above
- 30.What is the shortest part of mitosis?
- A.
Anaphase
- B.
Telophase
- C.
Metaphase
- D.
Cytokinesis
- 31.What happens during anaphase?
- A.
The chromosomes become attached to the spindle.
- B.
The cycle ends and then repeats
- C.
The centromeres split.
- D.
The chromosomes calm down.
- 32.What happens during telophase?
- A.
The spindle apparatus disassembles.
- B.
Drugs
- C.
You die.
- D.
The cells are transported.
- 33.What stage does the cell actually divide?
- A.
G1
- B.
G2
- C.
G0
- D.
Telophase
- E.
Cytokinesis
- 34.True false: In some protists and and fungi, the nuclear membrane does not actually dissolve.
- A.
True
- B.
False
- 35.What is the space between the daughter cells called?
- A.
Middle labia
- B.
Middle lamella
- 36.What does MPF stand for?
- A.
Maturation-promoting factor
- B.
Mass-production factor
- C.
Mass-population factor
- 37.Which of the following are checkpoints?
- A.
G1/S
- B.
G2/M
- C.
G1/G2
- D.
G1/M
- E.
Spindle checkpoint
- 38.What is the primary checkpoint where the cell decides on whether to divide?
- A.
G1/S
- B.
G1/G2
- C.
G1/M
- D.
Spindle checkpoint
- 39.What does the G2/M checkpoint emphasize?
- A.
G2 to mitosis
- B.
G2 to MDF
- C.
G2 to meosis
- 40.What does the spindle checkpoint do?
- A.
Create MDF
- B.
Create DNA
- C.
Ensure that the chromosomes are attached to the spindle
- D.
Ensure that the spindle apparatus is healthy
- 41.What is the primary molecular mechanism of cell cycle control?
- A.
Phosphorlylation
- B.
Mitosis
- C.
Cell cycle
- 42.What type of gene is p53 considered?
- A.
DNA gene
- B.
Tumor spreading gene
- C.
Sex gene
- 43.What is the first tumor-suppressor identified?
- A.
P53
- B.
Rb
- C.
Anti-p53
- D.
Rf
- 44.What is a uncontrollable growth of cells in a human called?
- A.
Cancer
- B.
Tumor
- C.
Cell growth
- D.
Really bad
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