🧬 Dive into the DNA world! A nucleotide, the building block of DNA, consists of 3 essential parts: a phosphate, sugar, and ____? Can you guess the missing piece? 🧐

• phosphate

• nitrogen base

• hydrogen bond

• nucleotide

Tags

NGSS.HS-LS1-1

In a DNA molecule the bases are located _________?

• on the inside

• on the outside

Tightly bundled up DNA is called a ______

• gene

• double helix

• chromosome

• nucleus

Tags

NGSS.HS-LS3-1

Which complementary base pairing is INCORRECT in DNA?

• C-G, T-A

• C-G, T-T

• T-A , T-A

• A-T, G-C

The 4 nitrogen bases of a DNA molecule are thymine, adenine, cytosine, and _______?

• phosphate

• deoxyribose

• nitrogen base

• sugar

• guanine

Where's the secret code of life, DNA, hiding in a cell?

• cell membrane

• lysosome

• ribosome

• nucleus

What base pairs with Thymine (T) ?

• A

• G

• C

• T

Ready for a DNA challenge? Which base is the perfect match for Guanine (G)? Think of it as a molecular dance partner!

• A

• C

• G

• T

Guess what? Most of our genes are like universal codes, identical in every one of us. But, the tiny differences in a handful of genes make each of us unique. What do you think causes these slight variations in one particular physical feature?

• a small difference in their chromosomes

• a small difference in their sequence of DNA bases

• a large difference in their DNA bases

• a large difference in their chromosomes

Tags

NGSS.HS-LS3-2

What is the complimentary sequence of the following strand: GAT - CAG

• TGA - CAT

• GAC - ATG

• CTA - GTC

• CGA - CTA

Answer explanation

A pairs with T, C pairs with G