What is DNA?

Presentation

•

Biology

•

10th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS1-1, MS-LS3-1, HS-LS3-1

Standards-aligned

Julia Lequin

Used 16+ times

FREE Resource

7 Slides • 14 Questions

What Does DNA Do?

DNA stands for...

DeoxyriboNucleic Acid

Multiple Choice

What type of organic molecule is DNA?

lipid

protein

carbohydrate

nucleic acid

Multiple Choice

Where in the cell DNA is found?

cytoplasm

ribosome

vacuole

nucleus

DNA-found in all cells

packed tightly within chromosomes within the nucleus
a segment of DNA code for traits-we call it genes

Who Discovered DNA?

Watson and Crick's discovery
the two-strand DNA, double helix
DNA-the molecule containing human genes was discovered in 1953

Multiple Select

What is the relationship between chromosomes, DNA, and genes?

DNA are made of proteins.

Chromosomes are made of DNA.

Genes are segments of DNA.

Genes contains code for a specific protein.

Multiple Choice

DNA molecule is made of

sequence of amino acids

sequence of nucleotides

sequence of fatty acids

monosaccharides

Structure of DNA

made of repeating subunits called nucleotides
a nucleotide- composed of a phosphate group, deoxyribose sugar, a nitrogenous base

Multiple Select

A single nucleotide is made of 3 components. Which of the following are components of a single nucleotide?

sugar

amino acid

a nitrogen base

phosphate group

Multiple Choice

What is the structure of DNA?

single-helix

double-helix

triple-helix

Genetic Information

are found in the nitrogen bases
A-adenine
T-thymine
C-cytosine
G-guanine
A-T; C-G

Multiple Choice

How many nitrogen bases?

Multiple Select

The 4 nitrogen bases are paired, what are the correct base-pairs?

A-T

C-G

C-T

G-C

Magnified DNA

is double-helix, due to the pairing of the 4 nitrogen bases: A-T and C-G

A-T

G-C

T-A

C-G

A-T

G-C

Multiple Choice

The DNA molecule is like a twisted ladder. What components make up the "rail" of the ladder?

the paired bases

the phosphate group

the deoxyribose sugar

the alternating phosphate group and deoxyribose sugar

Multiple Choice

In a double-helix DNA, what components make up the "rungs" of the ladder?

the sugar

the paired bases

the phosphate group

both phosphate and sugar

Original & Complimentary Strands

first sequence(original strand):
A, G, T, C, A, G
T, C, A, G, T, C
complimentary strand(2nd strand)

Multiple Choice

What is the correct complementary strand that matches the DNA sequence, TAC

TAC

CAT

ATG

GTA

Multiple Choice

In a DNA molecule, where are the codes for proteins are found?

in the phosphate group

in the deoxyribose sugar

in the hydrogen bond

in the bases

Multiple Choice

What is the base paired with guanine in DNA molecule?

cytosine only

adenine only

cytosine and adenine

adenine and thymine

Multiple Choice

Which is the correct statement about DNA, genes, and proteins?

DNA contains proteins.

DNA, genes and proteins are the same.

DNA contains genes that codes for proteins.

What Does DNA Do?

DNA stands for...

DeoxyriboNucleic Acid

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