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DNA, RNA, Protein Synthesis and Cellular Reproduction Flashcards | StudBud
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DNA, RNA, Protein Synthesis and Cellular Reproduction
DNA, RNA, Protein Synthesis and Cellular Reproduction
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Review for College Prep Biology Unit Test
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
For a mutation to occur, what sequence of events occurs?
DNA base sequence changes, AA's are joined, & characteristic
Characteristic, DNA changes, & AA's join
2
What is the purpose of crossing over and which process does it occur?
Increase genetic variation & Meiosis
Repair & Replication
Growth & Mitosis
3
For a mutation to be passed to offspring, the mutation must occur where?
In the brain
In the RNA
In the DNA
4
At the end of mitosis how many chromosomes would each daughter cell have if the parent had 16?
32
8
16
5
A cell has 48 chromosomes, how many chromosomes will be present in a sperm cell after meiosis?
12
48
24
6
What process produces gametes?
Translation
Cytokinesis
Meiosis
Transcription
7
Which DNA sequence would represent correct replication of TAG-GCT?
AUC-GCA
ATC-CGA
ATC-GAC
8
Mitosis occurs in what types of cells?
Reproductive
Somatic
Dead
9
A DNA molecule with the base sequence C A G T name the bases of the complementary strand.
GUCA
GTCA
CAGT
10
RNA is a _________ stranded molecule.
Double
Single
Parallel
11
Geneticists are mainly concerned with what?
Things that alter metabolism
Things that alter DNA
Things that alter proteins
12
Nondisjunction, occurs in what process to cause Down Syndrome (1 extra chromosome)?
neither
both
mitosis
meiosis
13
___________________________ are a pair ofchromosomes.
chromatids
RNA
Homologous Chromosomes
DNA
14
If a sequence of DNA is part of a gene how many amino acids are coded for in TACAGCGCTGGC?
8
12
4
15
Which event does not happen in DNA replication?
Ribosomes are formed
Nitrogenous bases are paired
hydrogen bonds are broken and reformed
16
If a mutation occurs in a single muscle cell, what would be the result of the mutation?
Only cells produced by this cell will have the mutation
All offspring would have the mutation
Gametes would have the mutation
17
_________________________is the process when an egg and a sperm join to form a ______________.
Fertilization/Zygote
Mitosis/Daughter Cell
Meiosis/Haploid
18
The nitrogenous bases found in RNA are?
A, T, C, G
A, P, C, G
A, U, G, C
19
Mitosis and binary fission are what type of reproduction?
Asexual
Sexual
Metaphase
Cytokinesis
20
Which mRNA sequence would represent correct transcription of the DNA sequence TAC-CGG-AGT?
TAC-CGG-AGT
ATC-GCC-TCA
AUG-GCC-UCA
21
A strand of messenger RNA is matched with a strand of DNA in _______________________.
Replication
Cellular Respiration
Transcription
Translation
22
Cells reproduce through what process to make exact copies of the original cell?
Meiosis
DNA Replication
Mitosis
Protein Synthesis
23
What is a benefit of asexual reproduction?
Produce a variety of offspring
Produce a large number of offspring
Produce mutated offspring
24
An evolutionary advantage of reproducing sexually is what?
Produce variation within a population
Produce more males than females
Produce large numbers of offspring
25
The function of mitosis is
Growth & Repair
Copy DNA
Make Proteins
Produce Gametes
26
How is information transformed to make a protein?
DNA replication → genes→ proteins
DNA →RNA → Protein
ADP→ATP→Protein
27
Gametes have 1/2 the number of chromosomes as the parent cell, this is called?
multiploid
diploid
haploid
28
A nucleotide of RNA is composed of what?
Ribose, a phosphate group, and a nitrogenous base
Hydrogen, thyamine, and a sugar
Deoxyribose, Phosphate group, and a nitrogenous base
29
What are the building blocks of nucleic acids (DNA & RNA) called?
Fatty Acids
Nucleotides
Amino Acids
Sugars
30
What is the structure of a DNA molecule?
Cylindrical
Single stranded
Double Helix
Cone
