Unit 6 Exam

Prophase, Metaphase, Anaphase & Telophase (PMAT) are stages of ______________________.

• Mitosis, which is cellular division

• Mitosis, which is DNA replication

• Interphase, which is cellular division

• Interphase, which is DNA replication

DNA replicates in

• Mitosis (cell division)

• G1 phase

• S phase

• G2 phase

The "S" in S phase stands for

• Synthesis of DNA

• Synthesis of proteins

• Synthesis of cellular life

G1 --> S --> G2 collectively are called ________

• Prophase

• Mitosis

• Interphase

• S phase

When looking at newly replicated DNA molecule,

• Both strands are brand new

• Both strands are the originals

• One strand is brand new, one is original

What are the four nitrogenous bases of DNA?

• ATCG

• APCG

• AAAA

• ATYZ

You are different from your neighbor because your DNA has a __________ sequence that is unique to you and you only

• sugar-phosphate backbone

• nitrogenous base

• the fatty acid tail

• the 3D shape of the sugar

What MUST happen first in DNA replication?

• Polymerase adds nitrogenous bases

• Helicase unzips molecule

• LIgase glues new strands together

• Proteins are formed

Going "against" the gradient means ___________ to _______.

• Low to high

• High to low

Moving from a high concentration down to a low concentration ___________ (SELECT ALL THAT APPLY!)

• requires no energy

• requires energy

• active transport

• passive transport