Intro to DNA

Open Ended

In your own words, explain the significance of chromosomes being found in the nucleus of every cell.

Multiple Choice

Why is DNA considered essential for all living organisms?

• Because it provides energy for cells

• Because it makes up the chromosomes that carry genetic information

• Because it helps organisms breathe

• Because it is found only in plants

Multiple Choice

What are the three main functions of DNA as described in the first image?

• Controls what kind of cell a cell can become, controls what kind of organism something is, controls what the organism looks like

• Controls cell division, controls metabolism, controls immune response

• Controls protein synthesis, controls cell movement, controls cell death

• Controls energy production, controls cell repair, controls cell communication

Multiple Select

Which of the following are components of a nucleotide?

• Phosphate group

• Deoxyribose sugar

• Nitrogen base

• Amino acid

Multiple Choice

Which nitrogen bases are present in DNA?

• Adenine, Thymine, Cytosine, Guanine

• Adenine, Uracil, Cytosine, Guanine

• Adenine, Thymine, Cytosine, Uracil

• Adenine, Guanine, Cytosine, Thymine, Uracil

Open Ended

How does the sequence of nitrogen bases in DNA affect genetic information?

Multiple Choice

Which type of bond connects the nucleotides along the sugar-phosphate backbone in DNA?

• Hydrogen bond

• Ionic bond

• Covalent bond

• Peptide bond

Open Ended

Explain the contribution of Rosalind Franklin to the discovery of DNA structure.

Multiple Choice

Which scientists realized that the twisting double helix structure was the missing piece in understanding DNA?

• Rosalind Franklin and Maurice Wilkins

• James Watson and Francis Crick

• Linus Pauling and Erwin Chargaff

• Gregor Mendel and Thomas Morgan

Multiple Select

Select all the correct statements about the structure of DNA:

• The backbone of DNA is made of sugar and phosphate.

• The rungs of the DNA ladder are made of nitrogen bases.

• Hydrogen bonds connect the sugar-phosphate backbone.

• Adenine pairs with Thymine.

Multiple Choice

Which of the following is the correct complementary strand for the DNA sequence TCATGAAGT?

• AGTACTTCA

• TCATGAAGT

• TTACTGCAA

• AGTACCTGA

Open Ended

Explain how the concept of complementary base pairing is demonstrated in the DNA strands shown in the first two images.

Open Ended

How do you think the structure of DNA helps it carry genetic information?

Multiple Choice

What does DNA stand for and what is its role in living organisms?

• Deoxyribonucleic Acid; makes up the chromosomes of every living organism

• Deoxyribonucleic Acid; controls cell division only

• Deoxyribose Acid; stores energy in cells

• Dinucleic Acid; forms the cell membrane