Mitosis
Meiosis
DNA Replication
Gene expression
Mutagens
100
An organized arrangement of chromosomes for a single cell is a called a ....
What is a Karyotype
100
Germ-line cells: A)produce gametes B)are haploid C)usually undergo mitosis D)are special somatic cells
What is B) are haploid
100
In DNA, the phosphate/sugar backbone is _______ bonded to the nucleotides on its respective stand. The nucleotides from one strand are attracted to the nucleotides in the second strand via ________ bonds.
What is Covalently bonded; hydrogen bonds
100
What is the central dogma?
What is DNA --(transcription)--> RNA --(translation)--> Protein
100
T/F: Mutations cause permanent, bad changes in the nucleotide sequence of DNA.
What is False: not all mutations are bad
200
What are two of three purposes for cellular reproduction?
What is 1) growth and development 2) healing 3) replacing dead cells
200
Crossing over occurs during: A)prophase I B)prophase II C)interphase I D)interphase II E)Both a and b are correct.
What is A) Prophase I
200
Chargaff's rule states...
What is Adenine will always pair up with Thymine while Guanine will always pair up with Cytosine when the nucleotides are forming base pairs.
200
What is mRNA's purpose?
What is to act as the template for protein synthesis
200
On a small (nucleotide sequence) scale, what are the two categories of mutations? A) Base Substitutions B) Induced mutations C) Addition/Deletions D) Point mutations E) A and C F) D and A
What is E
300
How does mitosis in plants differ from mitosis in animals?
What is During cytokinesis: in animals a cleavage furrow pinches off the two newly made daughter cells; in plants a cell wall separates the two newly made daughter cells.
300
Replicated chromosomes that will later undergo meiosis pair together to form larger structures called tetrads. These tetrads are made up of: A) sister chromatids B) chromatin C) chromatids D) homologous pairs E) chromosomes
What is D) homologous pairs
300
What did Watson and Crick's research determine when looking at the overall structure of a DNA molecule?
What is DNA is a double helix with complementary base pairs in the center surrounded by a phosphate/sugar backbone.
300
You are given a sequence of 24 nucleotides. How many amino acids will be in your polypeptide chain? A) 4 B)8 C) 12 D) 24 E) 72
What is B) 8
300
Translocation is a type of mutation that is also called what, a term used during meiosis.
What is Crossing Over
400
If a cell has a diploid number of 28 and is undergoing the phases of mitosis, how many sister chromatids will be found during Metaphase? A) 7 B) 14 C) 28 D) 56 E) 112
What is D) 56
400
What two factors contribute to genetic variation in cells going through meiosis?
What is 1) crossing over 2) Random alignment of homologous pairs
400
An original strand of DNA sequence is given (5`)(A-T-C-A-T-G-T-T-A-T)(3`) what would the newly synthesized strand be? A) (3`)(T-U-G-U-A-A-A-T-U)(5`) B) (5`)(T-A-G-T-A-C-A-A-T-A)(3`) C) (3`)(A-T-A-A-C-A-T-G-A-T)(5`) D) (5`)(T-A-G-T-A-C-A-A-T-A)(3`) E) (3`)(T-A-G-T-A-C-A-A-T-A)(5`)
What is E
400
What are the three stages of transcription?
What is I. Initiation II. Elongation III. Termination
400
T/F: Mutations alter the sequence of promoters which affects the rate of transcription and thus can either enhance of inhibit transcription.
What is True
500
In which stage does the nuclear envelope reform, the spindle fibers disappear, and the chromosomes unwind?
What is Telophase
500
Which pair is incorrectly matched? A) haploid-n B) somatic cells-2n C) zygote-n D) sperm cell-n E) gamete-n
What is C) zygote
500
What enzyme is responsible for removing the RNA primer as well as filling in the gaps found in the newly synthesized DNA strand?
What is DNA polymerase
500
(U-G-C-A-A-A-C-C-G-C-U-U) Use the sequence to determine the amino acids brought in by the codons.
What is (UGC) - Cys (AAA)- Lys (CCG) - Pro (CUU)- Leu
500
Mutations can alter chromosome structures (large scale), there are four categories of these problems (external and/or internal):
What is 1) Deletion 2) Duplication 3) Inversion 4) Translocation
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