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DNA Double helix model

Authored by Rifat Amin

Biology

University

Used 8+ times

DNA Double helix model
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

cytosine
guanine
thymine
uracil

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Why is DNA important?

it is very small and very complicated

it's in everything

it serves as the blueprint for traits of all living things

because we eat it every day for energy

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Nitrogenous bases are joined by which type of bond?

polar bonds

ionic bonds

covalent bonds

hydrogen bonds

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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The four types of nucleotides that make up DNA are named for their:

hydrogen bonds

nitrogenous bases

phosphate group

ring-shaped sugars

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

ATG TGA CAG
TAC ACT GTC
GTA AGT GAC
CAT TCA CTG

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which organelle is DNA usually found in?

cell membrane

vacuole

ribosome

nucleus

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Why do you use a new pipette tip on the micropipette every time you get a new sample?

To avoid contaminating the other samples

To use as many tools as you can.

The pipette tips disappear after being used.

None of these reasons

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