Match the complementary nitrogen bases together

• Thymine

• Thymine

• Guanine

• Guanine

• Adenine

• Adenine

• Cytosine

• Cytosine

Tags

112.42.c.6.A

Label the nucleotide

a

b

c

phosphate

sugar

nitrogen base

Tags

112.42.c.7.A

Label the image

f

g

e

d

c

stores genetic info

T

C

G

Hydrogen bond

A

sugar-phosphate backbone

Tags

112.42.c.6.A

DNA molecules contain the genetic information that determines the characteristics of a living organism. How do DNA molecules express the genetic information they contain?

• by breaking down proteins within the cell

• by directing the process of protein synthesis

• by regulating the storage of cellular proteins

• by controlling the movement of protein molecules

Tags

112.42.c.7.B

In Texas Longhorn cattle, coat coloration is an inherited trait. What is the genetic basis of coat-color variation in Texas Longhorn cattle?

• Differences in the nucleotide sequences of genes

• Differences in the numbers of chromosomes in cells

• Differences in the diets of individual cattle

• Differences in the environmental conditions of different geographical areas 

Tags

112.42.c.7

Label the diagram

a

b

c

d

e

RNA

Protein

Transcription

DNA

Translation

Answer explanation

Look carefully at the image!

Tags

112.42.c.7.B

AUG codes for the amino acid Methionine and AAA codes for Lysine in cucumbers. What do those two codons code for in birds?

• Valine and Aspartic Acid

• Serine and Glutamic Acid

• Isoleucine and Histadine

• Methionine and Lysine

Tags

112.42.c.7.B

Using the Codon chart attached, drag and drop the corresponding amino acid to its mRNA base

AAA : ​ (a)  

GUU : ​ (b)  

UAA : ​ (c)  

AGU : ​ (d)  

• lysine
• valine
• stop
• serine

Tags

112.42.c.7.B

Label the diagram

c

b

d

e

a

Ribosome

amino acids

mRNA

anticodon

tRNA

Tags

112.42.c.7.B

Each cell in the human body, with the exception of gametes, contains the same number of chromosomes and the same genetic sequences. Which process determines cell differentiation or cell specialization?

• Gene Expression

• Mutation of the Genes

• Different methods of cell division

• the host chooses

Tags

NGSS.HS-LS1-4