How Well Do You Know About DNA And Genes? Trivia Questions Quiz

22 Questions | By Saraiscool | Updated: Mar 21, 2022 | Attempts: 68

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How Well Do You Know About DNA And Genes? Trivia Questions Quiz - Quiz

How Well Do You Know About DNA And Genes? The trivia Questions Quiz below is designed to help you test your knowledge about how genes and DNA are connected. Genes have the primary purpose of directing how proteins are to be created in a way, the functions of different cells. Take it up and get to refresh your understanding. All the best!

Questions and Answers

1.

What is a nucleotide?
- A.
  
  The amino acids & "start" and "stop" signals
- B.
  
  Subnits that make up DNA
- C.
  
  Sequence of a gene's DNA that transcribes into protein structures
2.

_______ are sequences on the MRNA genetic.
3.

The amino acids & "start" and "stop" signals are:
- A.
  
  Code
- B.
  
  Exons
- C.
  
  Introns
- D.
  
  Nucleotide
4.

The sequence of a eukaryotic gene's DNA.
- A.
  
  Introns
- B.
  
  Exons
- C.
  
  DNA
5.

The sequence of a gene's DNA that transcribes into protein structures
- A.
  
  Exons
- B.
  
  Introns
6.

Chargaff discovered that the amount of adenine always equaled the amount of thymine & that amount of guanine always equaled the amount of cytosine.
- A.
  
  True
- B.
  
  False
7.

What are the 3 parts of a DNA nucleotide?
- A.
  
  A phosphate group, a five-carbon deoxyribose molecule, and a hydrogen containing base
- B.
  
  A phosphate group, a five-carbon deoxyribose molecule, and a nitrogen-containing base
8.

Adenine and Guanine are Purines; true or false?
- A.
  
  True
- B.
  
  False
9.

Multiple replication forks do which of the following:
- A.
  
  Slow down replication
- B.
  
  Keep replication constant
- C.
  
  Speed up replication
- D.
  
  Mess up replication
- E.
  
  Energize replication
10.

Write the complementary strand to AACGTACCT
- A.
  
  TTGCATGGA
- B.
  
  AABBCCDDEE
- C.
  
  CAUGHTINTHEACT
- D.
  
  TTUACTGGA
- E.
  
  HOWABOUT THAT
11.

What are the enzymes involved in DNA replication called?
- A.
  
  DNA helicopters
- B.
  
  DNA helicases
- C.
  
  DNA strand openers
- D.
  
  DAN helicaters
- E.
  
  DNA bond firmers
12.

Which of the following is NOT a difference between DNA and RNA?
- A.
  
  The difference in the number of strands DNA and RNA have
- B.
  
  RNA has a five carbon sugar base while DNA has sugar deoxyribase
- C.
  
  It's in the nucleus of the cell
13.

Which of the following are kinds of RNA?
- A.
  
  Messenger RNA
- B.
  
  Ribosomal RNA
- C.
  
  Transfer RNA
- D.
  
  A,B,C, and D
14.

In the first stage of transcription,what happens?
- A.
  
  MRNA finds a ribosome where protein synthesis will happen
- B.
  
  MRNA detaches from the gene and goes out of the nucleus
- C.
  
  The DNA zips back together and winds back up
- D.
  
  The DNA unwinds and "unzips" in the area of a gene
15.

Translation begins when what leaves the nucleus and enters the cytoplasm?
- A.
  
  MRNA
- B.
  
  Nucleotides
- C.
  
  Enzymes
16.

Enzymes help form what between adjacent amino acids?
- A.
  
  Friendship
- B.
  
  Covalent bonds
- C.
  
  Amino acids
- D.
  
  Peptide bonds
17.

The product of transcription is a protein.
- A.
  
  True
- B.
  
  False
18.

The product of translation is a protein.
- A.
  
  True
- B.
  
  False
19.

If the mRNA codon is UCG, the amino acid that corresponds is....
- A.
  
  AGC
- B.
  
  CCU
- C.
  
  Serine
20.

Why do cells have to control gene expression?
- A.
  
  So they don't smile.
- B.
  
  So that a gene will only be transcripted when it is needed.
- C.
  
  To avoid gene repression.
21.

In the lac operon, what happens when lactose is absent?
- A.
  
  Lactose binds to the repressor and changes the shape of the repressor
- B.
  
  A repressor turns the operon off
- C.
  
  Lactose turns to sour milk
22.

What happens when lactose is present in the lac operon?
- A.
  
  A repressor turns the operon off
- B.
  
  A switch turns the whole thing on
- C.
  
  The lactose binds to the repressor and chages the shape of the repressor, which falls off and turns the operon on
- D.
  
  The whole mess gets very very ugly