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WorksheetsBio 11 - Summary
Total questions: 20
Worksheet time: 10mins
Which of the following occurs latest in the cell cycle?
Chromosomes move to the center of the cell.
Chromosomes move to opposite ends of the cell.
Microtubules begin to form.
The nucleus breaks down.
The following are the activities of cells that need to carry out before mitosis, except _____.
replicate its DNA
duplicate its centrosome
undergo cytokinesis
make sister chromatids
During which stages of mitosis does a typical cell contain twice its normal number of chromosomes?
1. Prophase
2. Metaphase
3. Anaphase
4. Telophase
1 and 2
2 and 3
3 and 4
1, 2, 3 and 4
This cell is in which stage of mitosis?
Early prophase
Late prophase (prometaphase)
Metaphase
Anaphase
Which events listed are part of mitosis?
1 interphase
2 prophase
3 cytokinesis
1, 2 and 3
1 and 2 only
1 only
2 only
During mitosis in animal cells, which process occurs after prophase?
Centrioles move towards the poles of the cell.
Centromeres attach to spindle microtubules.
Chromatids join to form chromosomes.
Chromosomes condense and become visible.
In the eukaryotic cell, it is the longest stage of the cell cycle and generally its function is to prepare the cell to division process.
Interphase
Mitotic phase
Synthesis Phase
All of the above
Programmed cell death is known as ____________.
Apoptosis
Oncogene
Proto-oncogene
Tumor suppressor gene
The monomers units of DNA and RNA are
amino acids
monosaccharides
nucleotides
fatty acids
Which of the following enzymes catalyzes the linkage together of RNA nucleotides to form RNA?
polymerase
ligase
ribozyme
reverse transcriptase
The RNA codon AUG means
add amino acid methionine
start the protein here
add the amino acid tyrosine
end the polypeptide chain here
The transfer of genetic info from DNA to RNA is called
translation
transcription
initiation
elongation
Which of the following sequences best describes the flow of information that takes place when a gene directs the synthesis of a cellular component?
RNA-DNA-RNA-PROTEIN
DNA-RNA-PROTEIN
PROTEIN-RNA-DNA
DNA-AMINO ACID-RNA-PROTEIN
When RNA is being made, the RNA base ____ always pairs with the base ___ in DNA.
U-T
T-G
U-A
A-U
GTAGTCA
TGGCAAGTACGT
ATG GGA ACT CCA
