Do Now Semester 1 Review 2

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

TT,tt,PP,pp,SS,ss are examples of alleles that are?

• homozygous
• heterozygous
• different
• homologous 

If T=Tall & t=short, what is the genotypic ratio?

• 1:3
• 3:1
• 1:2:1
• 2:2

Examine the Punnett square below.

Which of the following choices gives the alleles of the parents shown here?

• BB and BB

• BB and Bb

• Bb and Bb

• Bb and bb

What type of cell has a nucleus? 

• eukaryotic
• prokaryotic 

Which cell contains Chloroplasts?

• Animal

• Plant

builds proteins for cell functions

• ribosomes

• mitochondria

• nucleus

• lysosome

Cancer is best and fully described by ...

• Uncontrolled cell growth
• Cells which grow abnormally and no longer function correctly
• Cells which have lost the ability to reproduce
• Cells which create abnormal tissues