9 weeks test analysis (review)

Hotspot

Which enzyme will bind with the substrate?

Drag and Drop

Look at the diagram.

Letter A is the

Placeholder

Letter B is the ​

Placeholder

Letter C is the ​

Placeholder

Letter D is the ​

Placeholder

and Letter E is the ​

Placeholder

Drag these tiles and drop them in the correct blank above

product

enzyme-substrate complex

Substrate

Active site

enzyme

Hotspot

Click on the temperature that this enzyme is having optimum activity.

Multiple Choice

What can be inferred about the pH at which bromelain is most active, based on the graph and the experiment results?

• Bromelain is most active at a pH between 3 and 7.

• Bromelain is most active at a pH below 2.

• Bromelain is most active at a pH above 10.

• Bromelain is most active at a pH between 8 and 10.

Hotspot

At what pH are both enzymes working?

Multiple Choice

What is the primary function of mitochondria?

• ATP production

• Protein synthesis

• Lipid metabolism

• DNA replication

Multiple Choice

Which structure is responsible for controlling substances that enter and leave the cell?

• A

• B

• C

• D

Hotspot

Identify the part of the membrane that allows small molecules to pass through

Multiple Choice

Base your answers on the graph and your knowledge of biology.
Both enezymes function from about __ to __.

• 4-12

• 0-6

• 0-12

• 4-6

Multiple Choice

After a chemical reaction, enzymes...

• Enzymes can only be used once per reaction.
• Enzymes remain unchanged and can be reused.
• Enzymes change their structure permanently.
• Enzymes are consumed during the reaction.

Multiple Choice

What is the purpose of enzymes?

• To provide energy for cellular processes.
• To store genetic information.
• To transport nutrients across cell membranes.
• The purpose of enzymes is to catalyze and accelerate biochemical reactions.

Multiple Choice

Which statement explains how a change in pH affects the activity of an enzyme?

• It alters the shape of the enzyme.

• It alters the density of the enzyme.

• It alters the solubility of the enzyme.

• It alters the concentration of the enzyme.

Multiple Choice

structural change in the protein that results in the loss (usually permanent) of its biological shape

• denature

• -ase

Multiple Choice

How do enzymes speed up chemical reactions?

• by generating ATP

• by lowering activation energy

• by raising temperature

• by destroying substrates

Multiple Choice

What is the activation energy?

• The energy of the products
• The energy of the reactants
• The minimum energy needed by the reactants to form the products.
• The energy lost in the reaction

An enzymes ACTIVE SITE must match the shape of the substrate!

Multiple Choice

Letter C...

• products

• substrate

• enzymes

• active site

Multiple Choice

What type of macromolecules are enzymes?

• carbohydrates

• lipids

• nucleic acids

• proteins

Multiple Choice

At which point during the day was the rate of photosynthesis the highest?

• P

• Q

• R

• S

Multiple Choice

What is the primary product of photosynthesis?

• Glucose
• Water
• Carbon Dioxide
• Oxygen

Multiple Choice

Which process describes the energy transformation that takes place during photosynthesis?

• conversion of light energy to chemical energy

• conversion of chemical energy to heat energy

• conversion of chemical energy to light energy

• conversion of light energy to heat energy

Multiple Choice

What are the products of the light-dependent and light-independent reactions, labeled Y and Z, respectively?

• Y: carbon dioxide; Z: water

• Y: cellulose; Z: glycerol

• Y: oxygen; Z: glucose

• Y: sugars; Z: oxygen

Multiple Choice

During which stage of photosynthesis is oxygen produced?

• Calvin cycle

• electron chain

• light dependent

• light independent

Match

Match the following

• A

• B

• C

• D

Mitochondria

nucleus

chloroplast

bacteria

• Mitochondria

• nucleus

• chloroplast

• bacteria

Match

Match the following

• mitochondria

• chloroplast

• nucleus

• bacteria

site of ATP production

site of photosynthesis

contains DNA in eukaryotes

No membrane bound organelles

• site of ATP production

• site of photosynthesis

• contains DNA in eukaryotes

• No membrane bound organelles

Multiple Choice

What is the role of ATP?

• ATP is a type of protein.
• ATP is a waste product of cellular respiration.
• ATP is primarily used for DNA replication.
• ATP is the primary energy carrier in cells.

Multiple Choice

What are the three parts of an ATP molecule?

• deoxyribose sugar, phosphate groups, and a nitrogen base

• ribose sugar, phosphate groups, and a nitrogen base

• amino acid, ribose sugar, and phosphate groups

• monosaccharide, amino acid, and phosphate groups

Multiple Choice

Which bond of the ATP molecule is broken in order to release energy?

• A
• B
• C
• D

​

HIGH​

LOW

Multiple Choice

What form of transport is illustrated in the diagram?

• active transport, moving solutes into the cell against the concentration gradient

• active transport, moving solutes into the cell down the concentration gradient

• passive transport, moving solutes into the cell against the concentration gradient

• passive transport, moving solutes into the cell down the concentration gradient

Multiple Choice

The movement of molecules (matter) from an area of greater concentration (how much of something) to an area of lower concentration. Does not require energy.

• Active Transport

• Passive Transport

• Osmosis

• Diffusion

Match

Which type of solution were these blood cells placed in?

hypotonic

isotonic

hypertonic

• hypotonic

• isotonic

• hypertonic

Match

Match each letter to the cell transport process.

• J

• K&L

• M

Simple Diffusion

Facilitated Diffusion

Active Transport

• Simple Diffusion

• Facilitated Diffusion

• Active Transport

Labelling

Label the parts of the cell membrane

Drag labels to their correct position on the image

fatty acid tails

protein

phosphate heads

Multiple Choice

Which is a virus? Remember a virus does not have ANY cell organelles, only genetic material (DNA or RNA)

• #1

• #2

• #3

• #4

Multiple Choice

This image is a virus and not a bacteria. The test writers are hoping you confuse Core Wall with _____ ______

• cell wall

• nothing....

Hotspot

What are 3 of the four organelles that are shared by prokaryotes?

Match

Match the following

multicellular plant

unicellular prokaryote

unicellular eukaryote

multicellular eukaryote

• multicellular plant

• unicellular prokaryote

• unicellular eukaryote

• multicellular eukaryote

Multiple Choice

In which picture is the chloroplast labeled correctly?

Multiple Choice

What did Matthias Schleiden observe?

• Plant Cells

• Animal Cells

• Bacteria

Multiple Choice

What did Theodore Schwann observe?

• Plant Cells

• Animal Cells

• Bacteria

Multiple Choice

Who coined the term "cell" by looking at cork?

• Hooke

• Leeuwenhooke

• Schwann

• Virchow

Multiple Choice

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.

• All living things use energy
• All living things contain cells
• All living things maintain homeostasis
• All living things grow

Multiple Choice

Over many hundreds of years, a population of rabbits living in the woods adapts to its surrounding with brown fur.

• All living things adapt to their environment
• All living things grow
• All living things use energy
• All living things have cells