Unit 2 review

Multiple Choice

5. Which biomolecules provide quick energy for the cell ?

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

2. Which biomolecules contains your genetic information?

• Proteins

• Lipids

• Carbohydrates

• Nucleic Acids

Multiple Choice

Which organic molecule would a long-distance runner most likely choose to eat two hours before a race?

• A protein, because it builds muscle mass.

• A lipid because it provides long term energy storage.

• A carbohydrate because it releases energy quickly.

• A protein, because it transports oxygen into the blood stream.

Multiple Choice

Which of the following contains the most lipid?

Multiple Choice

Which biomolecules act as energy storage for the cell and also cushions and insulates organs?

• Carbohyrdates

• Lipids

• Proteins

• Nucleic Acids

Multiple Choice

The biomolecule that holds an organism's genetic information is called ___________.

• carbohydrate

• lipid

• nucleic acid

• protein

Multiple Choice

Which of the following molecules typically contains both nitrogen and phosphate?

• Lipid

• Protein

• Nucleic Acid

• Carbohydrates

Multiple Choice

Plants and animal cells are examples of ___ cells 

• prokaryotic cells 
• eukaryotic cells 

Multiple Choice

What type of cell has a nucleus? 

• eukaryotic
• prokaryotic 

Multiple Choice

The main difference between prokaryotic and eukaryotic cells? 

• Prokaryotic cells have a cell membrane but eukaryotic cells do not.
• Eukaryotic cells contain DNA in a nucleus while prokaryotic cells do not.
• Eukaryotic cells have flagella but prokaryotic cells do not.
• Prokaryotic cells contain membrane-bound ribosomes while eukaryotic cells do not. 

Multiple Select

Eukaryotic and prokaryotic cells have some similarities but have numerous distinguishing structures. Identify the structures that may be found in both cell types.

Select two correct answers.

• Cytoplasm

• Cilia

• Nucleus

• Mitochondria

• Ribosomes

Multiple Choice

The movement of water through a semi-permeable membrane is called ___________.

• active transport

• respiration

• osmosis

• diffusion

Multiple Choice

Which type of movement requires cellular energy?

• osmosis

• active transport

• diffusion

• facilitated diffusion

Multiple Choice

Does active transport require ATP?

• Yes

• No

Multiple Choice

Passive transport requires no

• concentration gradients
• osmosis
• motion
• energy

Multiple Choice

Your cells spend most of their time in ________ is the period of growth.

• Cytokinesis

• Interphase

• Mitosis

Multiple Choice

In which stage of Interphase is your DNA replicated or copied?

• G1 - period of main growth as the cell is maturing

• S - the synthesis of DNA

• G2 - period of final growth and preparation for mitosis

Multiple Choice

What does NOT happen during interphase?

• growth
• DNA replication 
• obtaining nutrients
• cell divison

Match

Match the following

• G1

• G2

• S

• Mitosis

• Cytokinesis

Gap or growth phase; cell doubles in size

Cell prepares for division; doubles number of organelles

DNA is replicated

Process in which the nucleus is divided

Process of division of the cytoplasm

• Gap or growth phase; cell doubles in size

• Cell prepares for division; doubles number of organelles

• DNA is replicated

• Process in which the nucleus is divided

• Process of division of the cytoplasm

Multiple Choice

Cancer creates abnormal cells by disrupting

• the cell cycle
• red blood cell formation
• DNA replication
• ATP synthesis

Multiple Choice

Cancer is an example of

• cell death

• uncontrolled cell growth

• viral infection

• homeostasis

Multiple Choice

DNA replicates during

• S phase of interpahse

• P phase of Mitosis

• G1 phase of interpahse

• G2 phase of interphase

Multiple Choice

A clump of cells that divide uncontrollably is called what?

• Cytoplasm

• Tumor

• Nucleus

• Nucleotide

Multiple Choice

Identify the parts of the nucleotide shown:

• 1) Ribose Sugar      2) Phosphate 
  3)  Nitrogen Base
• 1) Deoxyribose Sugar
  2) Phosphate
  3) Nitrogen Base
• 1) Phosphate
  2) Ribose Sugar
  3) Nitrogen Base
• 1)  Phosphate
  2) Deoxyribose Sugar
  3)  Nitrogen Base