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Concept 1: DNA Replication Flashcards | StudBud
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Concept 1: DNA Replication
Concept 1: DNA Replication
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A #biology quiz covering the basics of #genetics and #DNAreplication
Flashcards
19 cards
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Questions
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Answers
1
DNA replication is best supported by which statement?
RNA opens up the DNA and clones it.
DNA opens up and unwinds to make two new molecules.
DNA opens up and each strand is copied into a new strand.
DNA opens up and RNA copies it.
2
Which nitrogen bases make up DNA?
GTCA
GUCA
3
Which nitrogen bases make up RNA?
GTCA
GUCA
4
Before a cell can divide, it must copy its DNA one _ at a time. This is called DNA replication.
Gene
Base
Nucleotide
Sugar
5
In DNA,
guanine
always base pairs with ________.
Cytosine
Uracil
Thymine
Adenine
6
What is the monomer of Nucleic Acids?
simple sugars
amino acids
fatty acids
nucleotides
7
The main difference between the four nucleotides that make up DNA is that they have different
Uracil
Bonds
Sugars
Bases
8
In DNA,
adenine
base pairs with ____________.
Thymine
Cytosine
Uracil
Guanine
9
Though the model is not complete, what pattern is evident in this representation of DNA.
Every third base pair has a mutation.
Guanine is always paired with cytosine.
There are two sugars between each phosphate.
The model has a repeating base sequence.
10
What type of macromolecule stores and transmits our hereditary info.?
nucleic acids
lipids
carbohydrates
proteins
11
Because prokaryotic cells lack a nucleus, DNA would be found in the ________.
Cytoplasm
Nucleolus
Nucleus
Ribosome
12
Place the components in order, from smallest to largest.
2 - 3 - 4 - 1
4 - 3 - 2 - 1
1 - 2 - 4 - 3
3 - 4 - 2 - 1
13
The enzyme that unzips DNA during DNA replication.
DNA polymerase
ligase
helicase
primase
14
Based on the diagram AND your knowledge of biology, structures 3 and 4 are held together by
weak peptide bonds
strong peptide bonds
weak hydrogen bonds
strong hydrogen bonds
15
Inherited traits are passed down from parents to us by the info that is coded in our parents'
chromosomes
RNA
phospholipids
blood
16
A portion of this DNA, known as a ________, is responsible for the inheritance of a trait.
allele
gene
nucleotide
chromosome
17
What are the three components that make up a nucleotide?
sugar, phosphate, skateboard
phosphate, amino acid, adenine
sugar, nitrogen base, amino acid
sugar, phosphate, nitrogenous base
18
The enzyme that adds the nucleotides.
helicase
primase
ligase
DNA polymerase
19
In humans, where does DNA replication take place?
Nucleus
Vacuole
Ribosome
Cytoplasm
