Genetics-- Ch. 5 L. 3 The Structure of DNA

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Biology, Science

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7th - 12th Grade

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Hard

D Olguin

Used 6+ times

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38 Slides • 59 Questions

Genetics-- Ch. 5 L. 3 The Structure of DNA

By D Olg

Multiple Choice

In DNA, Adenine bonds with ______________.

Guanine

Thymine

Cytosine

Adenine

Multiple Choice

Guanine bonds with ______________.

Adenine

Guanine

Cytosine

Thymine

Multiple Choice

Which organelle is DNA usually found in?

cell membrane

vacuole

ribosome

nucleus

Multiple Choice

DNA is an acronym for _____

Diphosphorus Nucleic Acid

Ribose Nucleic Acid

Deoxyribonucleic Acid

Deoxyribonucleic Acetate

Multiple Choice

Which of the following best describes a DNA molecule?

double helix

contains ribose

made of amino acids

contains Uracil

Multiple Choice

What are the 4 nitrogen bases?

adenine, thymine, cytoplasm, and guanine

adenine, thymine cytosine, and guanine

adenine, thymine, cytosine, and gylcerol

adenine, thymine, cytosine, and glucose

Multiple Choice

Which 2 molecules forms the sides (backbone) of the DNA ladder?

deoxyribose and adenine

deoxyribose and a hydrogen bond

sugar and the nucleus

deoxyribose (sugar) and phosphate

Multiple Choice

Which two scientists are accredited with correctly deducing the double helix model of DNA?

Watson and Crick

Wilkins and Franklin

Wilkins and Crick

Watson and Franklin

Multiple Choice

Proteins that DNA winds itself around to for Chromosomes

Histone

Double Helix

Chromatin

Multiple Choice

adenine, guanine, cytosine, and thymine are known as

sugars

phosphates

lipids

nitrogen bases

Multiple Choice

Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG

ATG TGA CAG

TAC ACT GTC

GTA AGT GAC

CAT TCA CTG

Multiple Choice

The enzyme that unwinds the DNA to prepare for replication

helicase

replicase

polymerase

synthase

Multiple Choice

In what phase of the cell cycle does DNA replication take place?

Multiple Choice

Which enzyme is responsible for adding nucleotides?

Topoisomerase

DNA Polymerase

Ligase

Primase

Multiple Choice

Seals the Okazaki fragments together

DNA Polymerase

ligase

helicase

primase

Multiple Choice

synthesizes a short fragment of RNA that allows DNA polymerase III to bind

ligase

DNA polymerase I

primase

helicase

Multiple Choice

direction new nucleotides are synthesized on the new strand

5^' to 3' (new nucleotides added to the 3' end)

3' to 5' (new nucleotides added to the 5' end)

3' to 5' (new nucleotides added to the 3' end)

5^' to 3' (new nucleotides added to the 5' end)

Multiple Choice

What are the three components of a nucleotide?

sugar, hydrogen, nitrogen base

sugar, oxygen, nitrogen base

sugar, phosphate, nitrogen base

sugar, phosphate, protein

Multiple Choice

order of replication

3, 4, 2, 1

3, 1, 4, 2

2, 1, 4, 3

3, 4, 1, 2

Multiple Choice

The fragments on the lagging strand that are made up of repeating segments of DNA and RNA Primers

okazaki fragments

Primase

Polymerase

unused DNA

Multiple Choice

Which of the following best describes the arrangement of the sides of the DNA molecule

Bonding

Alternating

Anitparallel

Parallel

Multiple Choice

About __ percent of DNA is made up of protein coding genes?

23%

Multiple Choice

how much of DNA is non-coding?

101%

77%

99%

Multiple Choice

Where does transcription take place?

nucleus

cytoplasm

ribosome

Multiple Choice

One difference between DNA and RNA is that....

Only RNA has the base Uracil

only RNA contains the base Thymine

only RNA contains the base Cytocine

only RNA contained the base Guanine

Multiple Choice

what does mRNA do?

carry info from genes to ribosomes

carry amino acids to ribosomes

help with RNA splicing

make up ribosomes

Multiple Choice

True or false: RNA is double-stranded.

true

false

it depends on the type

Multiple Choice

Which process is used to make mRNA from the DNA in the nucleus?

transcription

translation

replication

Multiple Choice

Why must transcription occur where DNA can be found?

because DNA can't leave

because ribosomes are in the nucleus

because DNA polymerase is found there

because helicase unzips the DNA

Multiple Choice

Which RNA bases would pair with TACGAA in transcription?

AUGCUU

ATGCTT

GCATCC

GCAUCC

Multiple Choice

Transcribe the following DNA sequence into RNA:

AAT TAG GGC TCG

TTA ATC CCG AGC

UUA AUC CCG AGC

TTU UTC CCG UGC

Multiple Choice

Where does RNA polymerase know where to start copying down instructions in the DNA molecule?

By looking for Promotors in the code to signal to start copying

By looking for Stop Codes in the code to signal to start copying

It doesn't matter where it starts, it will find it.

mRNA signals to the RNA polymerase where to start

Multiple Choice

Identify.

DNA

mRNA

rRNA

tRNA

Multiple Choice

Identify.

DNA

mRNA

rRNA

tRNA

Multiple Choice

Identify.

DNA

mRNA

tRNA

rRNA

Multiple Choice

Carries the amino acid used to make a protein

mRNA

rRNA

tRNA

Multiple Choice

Factory for making a protein

mRNA

rRNA

tRNA

Multiple Choice

Which type of RNA takes the instructions from the nucleus to the cytoplasm?

mRNA

tRNA

rRNA

RNA polymerase

Multiple Choice

In mRNA, each codon specifies a particular

nucleotide

amino acid

purine

pyrimidine

Multiple Choice

. What are the building blocks of proteins called?

nucleotides

proteins

amino acids

carbohydrates

Multiple Choice

How many bases are in one codon?

Multiple Choice

What is the correct sequence?

RNA --> DNA --> Protein

Protein --> RNA --> DNA

DNA --> RNA --> Protein

DNA --> Protein --> RNA

Multiple Choice

What structure in a cell is the site for making proteins?

ribosomes

mitochondria

lysosome

Golgi body

Multiple Choice

Which amino acid is made from the RNA codon UUA?

Phenylalanine

Leucine

Serine

Tyrosine

Multiple Choice

Process in which amino acids are assembled into proteins at the ribosome?

Translation

Transcription

Meiosis

Replication

Multiple Choice

If the mRNA sequence is AGA UUU CGA GCC,
what is the complementary tRNA anticodons?

AGA TTT CGA GCC

UCU AAA GCU CGG

TCT AAA GCT CGG

UCU AAA CGA GGG

Multiple Choice

Brings the amino acids to the ribosome

mRNA

tRNA

rRNA

DNA

Multiple Choice

How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA

Multiple Choice

A polypeptide is a sequence of ____________________ held together by a ______________ bond.

amino acids; peptide

fatty acids; ionic

proteins; hydrogen

fatty acids; covalent

Multiple Choice

TRANSLATE this RNA sequence: AUGCAAUGA

Met-Glu-Stop

Met-His-Stop

Thr-Glu-Stop

Thr-Pro-Stop

Multiple Choice

Does the order of amino acids in a protein matter?

YES!

NO!

Multiple Choice

What amino acid is represented by the codon UUA?

Phenylalanine

Tyrosine

Leucine

Stop codon

Multiple Choice

Are all mutations bad?

Yes

Multiple Choice

Any change in the sequence of DNA is...

transgenic shift

Single Genotype

Monohybrid Trait

Mutation

Multiple Choice

Why are insertion and deletion (frameshift) mutations so harmful?

They change all of the codons from the mutation on down the line, which changes the amino acid sequence

They insert things that an organism doesn't need.

They often delete things that organisms need.

Insertion and deletions are not any more harmful than substitution mutations.

Multiple Choice

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTACGCAAC. This is an example of ___ mutation.

Base Substitution

Base Insertion

Base Inversion

Translocation

Multiple Choice

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

Substitution

Deletion

Insertion

Inversion

Multiple Choice

Which of the following can increase the rate of mutation?

UV Radiation

Viruses

toxic chemicals

All of the above

Open Ended

Answer the previous slides questions here:

Type response here

Genetics-- Ch. 5 L. 3 The Structure of DNA

By D Olg

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