Unit 2 Review

Multiple Choice

When a virus invades a living cell, its _______
takes over the cell's functions.

• outer coat
• genetic material
• core
• cytoplasm

Multiple Choice

What do viruses need to reproduce?

• they need genetic material
• They need a host cell
• They need  bacteria
• They need insulin

Multiple Choice

What is the main function of the projections on the surface of a virus?

• They aid in respiration
• They help the virus grow
• They help the virus invade its host by attaching to specific sites on the host
• They help the virus digest food molecules

Multiple Choice

Reasons that viruses are considered to be nonliving is because

• They are not cellular
• They cannot reproduce on their own
• They cannot make proteins
• all of the above

Multiple Choice

Which of the following is not a way to prevent or treat viruses?

• antibiotics
• antiviral medications
• vaccines
• wash your hands

Multiple Choice

prokaryotic organisms with strong cell walls containing peptidoglycans

• bacteria

• archaea

• capsule

• endospore

Multiple Choice

What helps prevent viral diseases?

• Vaccines

• Antibiotics

• Herbal tea

• Gene Therapy

Multiple Choice

All bacteria are

• unicellular
• multicellular
• eukaryotic

Multiple Choice

Bacteria are prokaryotes, meaning they ________.

• lack a nucleus

• are very large

• contain no DNA

• have a cytoplasm

Multiple Choice

What are the reactants in the photosynthesis equation?

• oxygen and glucose

• nitrogen and hydrogen

• sodium and chloride

• carbon dioxide and water

Multiple Choice

What are the products in the photosynthesis equation?

• carbon dioxide and water

• adenosine triphosphate and carbon dioxide

• glucose and water

• glucose and oxygen

Multiple Choice

What is the primary pigment involved in photosynthesis?

• hemoglobin

• chlorophyll

• melanin

• carotene

Multiple Choice

Where does photosynthesis occur in plants?

• chloroplasts

• vacuole

• nucleus

• mitochondria

Multiple Choice

What is the main energy molecule produced in cellular respiration?

• ADP

• GTP

• NADH

• ATP

Multiple Choice

Where does cellular respiration occur in cells?

• cytoplasm

• mitochondria

• cell membrane

• nucleus

Multiple Choice

What are the similarities between photosynthesis and cellular respiration?

• Production of ATP

• Exchange of gases

• Conversion of energy

• Involvement of chloroplasts

Multiple Choice

Which of the following best describes the energy transformation in photosynthesis?

• Chemical energy to light energy

• Light energy to chemical energy

• Heat energy to chemical energy

• Mechanical energy to light energy

Multiple Choice

Contains the elements, carbon, hydrogen, oxygen, and nitrogen.

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

The function is energy and structure

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Can be saturated or unsaturated.

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Candies and pasta would have high amounts

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Choice

Made of monomers called nucleotides

• carbohydrates

• lipids

• Proteins

• Nucleic Acids

Multiple Choice

Functions include enzymes, muscle contraction, and cell transport (has many others too)

• carbohydrates

• lipids

• proteins

• nucleic acids

Multiple Select

What are examples of passive transport? Choose all that apply

• Simple Diffusion

• Cold Blood

• Facilitated Diffusion

• Scavenger

Multiple Choice

What is diffusion?

• when molecules move 
• when molecules move from a high concentration to a low.
• no movement 
• molecules move everywhere

Multiple Choice

What a cell needs to transport particles by active transport?

• Sun
• Wind
• Energy
• Channels

Multiple Choice

Passive transport requires no

• concentration gradients
• osmosis
• motion
• energy

Multiple Choice

Low to High

• Passive Transport
• Active Transport

Multiple Choice

In passive transport, molecules move from an area of __________ concentration to an area of __________ concentraiton

• high, low
• low, high
• water, salt
• active, passive

Multiple Choice

What is the energy molecule for all living cells?

• ADP

• ATP

• Protein

• Sugars

Multiple Choice

The picture below is an example of _________________.

• osmosis
• isotonic
• diffusion
• active transport

Multiple Choice

_______ regulates what enters and leaves a cell.  

• Cell Membrane
• Nucleus
• Mitochondria
• Cytoplasm

Multiple Choice

Endocytosis and exocytosis both use energy to engulf substances with the cell membrane. However, _____________ brings substances into the cell, while ____________ takes substances out of the cell.

• endocytosis, exocytosis

• exocytosis, endocytosis

• endocytosis, endocytosis

• exocytosis, exocytosis

Multiple Choice

Which form of active transport is being shown?

• Facilitated Diffusion
• Exocytosis
• Endocytosis
• Protein Pumps

Multiple Choice

Which form of active transport is being shown?

• Pinocytosis
• Endocytosis
• Exocytosis
• Osmosis

Multiple Choice

Which organelle does cellular respiration occur?

• chloroplast

• mitochondria

• chlorophyll

• polarity

Multiple Choice

Which of the following occurs during cellular respiration?

• Light energy and water are converted to ATP

• Carbon dioxide and water are converted to ATP

• Glucose and oxygen are converted to ATP

• Light energy and oxygen are converted to ATP

Multiple Choice

How many carbons are in a glucose molecule?

• 5

• 13

• 12

• 6

Multiple Choice

The energy needed to perform daily cellular activities comes from _________

• the production of gases during anaerobic respiration.

• the breakdown of protein molecules.

• energy released from ATP.

• the synthesis of DNA.

Multiple Choice

"aerobic" means _______

• with oxygen

• without oxygen

Multiple Choice

In aerobic respiration _________ & __________ mix together to make ATP

• carbon dioxide and lemonade

• glucose and carbon dioxide

• carbon dioxide and oxygen

• glucose and oxygen

Multiple Choice

The word "anaerobic" means ___________

• with oxygen

• without oxygen

Multiple Choice

Fermentation is an example of _____________

• aerobic respiration

• anaerobic respiration