DNA and Proteins

Every organism has cells that contain strands of DNA. A single strand is made of millions of particles called nucleotides and these nucleotides come in four different types which scientist have labelled A, C, T, and G. A gene is special stretch of DNA (a sequence of A's, C's, T's, G's) that code for proteins (made up of amino acids). These proteins are responisible for determining traits like eye color, skin color, and freckles. If there is a mistake in the sequence of A's, C's, T's, and G's, then this may affect the structure and function of the protein or the wellbeing of the organism.

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Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In DNA base pairing, adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G). What is the correct complementary sequence of DNA for the following DNA sequence : ATC?

• TAG

• GAT

• AAT

• TTA

In DNA base pairing, adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G).

What is the correct complementary sequence of DNA for the following DNA sequence : ACG?

• TAG

• GAT

• AAT

• TGC

In DNA base pairing, adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G). What is the correct complementary sequence of DNA for the following DNA sequence : ATG?

• TTA

• TAC

• AAT

• TGC

In DNA base pairing, adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G). What is the correct complementary sequence of DNA for the following DNA sequence : TGC?

• ACG

• TAC

• AAT

• TGC

In DNA base pairing, adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G).

What is the correct complementary sequence of DNA for the following DNA sequence : TGA?

• ACG

• TAC

• AAT

• ACT

In DNA base pairing, adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G).

What is the correct complementary sequence of DNA for the following DNA sequence : TCG?

• ACG

• TAC

• AGC

• ACT

DNA makes a molecule called RNA which then makes proteins. You can use RNA sequences (codons) to determine which amino acids will be in your protein. Choose the amino acid that pertains to the following codon sequence: UUA?

• Phenylalanine

• Leucine

• Serine

• Tyrosine

Tags

NGSS.HS-LS1-1

DNA makes a molecule called RNA which then makes proteins. You can use RNA sequences (codons) to determine which amino acids will be in your protein.

Choose the amino acid that pertains to the following codon sequence: UAC?

• Phenylalanine

• Leucine

• Serine

• Tyrosine

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

DNA makes a molecule called RNA which then makes proteins. You can use RNA sequences (codons) to determine which amino acids will be in your protein. Choose the amino acid that pertains to the following codon sequence: AGU?

• Phenylalanine

• Leucine

• Serine

• Tyrosine

Tags

NGSS.HS-LS1-1