ADN

Question 1

What does DNA stand for?

Answer 1

Deoxyribonucleic Acid

Question 2

True or False: DNA is a single-stranded molecule.

Answer 2

False

Question 3

What are the building blocks of DNA called?

Answer 3

Nucleotides

Question 4

Fill in the blank: The four nucleotide bases in DNA are adenine, thymine, cytosine, and _______.

Answer 4

guanine

Question 5

What type of bond holds the two strands of DNA together?

Answer 5

Hydrogen bonds

Question 6

Which base pairs with adenine in DNA?

Answer 6

Thymine

Question 7

Multiple Choice: What is the shape of a DNA molecule?

Answer 7

Double helix

Question 8

True or False: DNA contains the information necessary for protein synthesis.

Answer 8

True

Question 9

What is the function of DNA polymerase?

Answer 9

To synthesize new DNA strands during replication

Question 10

Fill in the blank: The process by which DNA is copied is called _______.

Answer 10

replication

Question 11

What is the role of messenger RNA (mRNA) in relation to DNA?

Answer 11

To carry genetic information from DNA to the ribosome for protein synthesis

Question 12

What is the term for a segment of DNA that codes for a protein?

Answer 12

Gene

Question 13

Multiple Choice: Which of the following processes involves DNA?

Answer 13

Replication, transcription, and translation

Question 14

True or False: All living organisms have DNA.

Answer 14

True

Question 15

What is the primary purpose of DNA sequencing?

Answer 15

To determine the exact sequence of nucleotides in a DNA molecule

Question 16

Fill in the blank: Mutations in DNA can lead to _______.

Answer 16

genetic disorders

Question 17

Short Answer: What is the role of ribosomal RNA (rRNA)?

Answer 17

To form the core of the ribosome and facilitate protein synthesis

Question 18

What is the difference between DNA and RNA?

Answer 18

DNA is double-stranded and contains thymine, while RNA is single-stranded and contains uracil.

Question 19

Multiple Choice: What technique is used to amplify DNA?

Answer 19

Polymerase Chain Reaction (PCR)

Question 20

True or False: DNA replication is a semi-conservative process.

Answer 20

True

Question 21

What enzyme unwinds the DNA double helix during replication?

Answer 21

Helicase

Question 22

Fill in the blank: The backbone of DNA is made up of _______ and phosphate groups.

Answer 22

sugar

Question 23

What is a chromosome?

Answer 23

A structure made of DNA and proteins that contains genetic information.

Question 24

Multiple Choice: Which scientist is known for discovering the structure of DNA?

Answer 24

James Watson and Francis Crick

Question 25

True or False: DNA can be found in both the nucleus and the cytoplasm of a cell.

Answer 25

False

Question 26

What is the role of transfer RNA (tRNA)?

Answer 26

To transport amino acids to the ribosome during protein synthesis.

Question 27

Fill in the blank: The genetic code is read in sets of three nucleotides called _______.

Answer 27

codons