Biology Study Test Pt 1

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A mock quiz I made so I don't fail biology

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Lilly Brooks

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Biology Study Test Pt 1Version en ligne A mock quiz I made so I don't fail biology par Lilly Brooks 1 What type of amino acids would you expect to find in the hydrophobic core of a membrane protein? a Polar b Hydrophobic Non-Polar c Hydrophilic Polar d Acidic 2 What effect does cholesterol have on membrane fluidity a Decreases Fluidity at High temperatures b Increases Fluidity at low temperatures c Both A and B d It has no effect 3 Which of the following proteins penetrate the hydrophobic core of the membrane? a Transmembrane proteins b Peripheral proteins c Extracellular proteins d Cytoplasmic proteins 4 What type of molecules can pass through a membrane via simple diffusion? a Small charged molecules b Large, uncharged polar molecules c Hydrophobic molecules d Ions 5 True or False; Integral proteins are usually embedded in the membrane and can serve multiple functions, such as transport and acting as enzymes. a True b False 6 True or False; In hypertonic solutions, water moves into the cell, causing it to swell. a False b True 7 Explain why drinking seawater is harmful to cells at the cellular level. Written answer 8 Describe the structure of hemoglobin and how it is suited for its function. Written answer 9 What are the key features of a porin protein and its role in gram-negative bacteria? Written answer 10 In the Na+/K+ pump, _____ are pumped out of the cell and _____are pumped into the cell. a 3 Sodium Ions & 2 Potassium Ions b 3 Na+ Ions & 2 K+ Ions c 4 Sodium Ions & 2 Potassium Ions d 2 Sodium Ions & 3 Potassium Ions 11 Aquaporins are channels that _________ across the cell membrane. a Transport water b Transport Blood c Transport Oxygen d Transport Electrolytes 12 In active transport, the movement of ions is typically _____ their concentration gradient, which requires the use of ____. a Against, CSE b With, ATP c Against, ATP d With, Na+ 13 Which type of membrane transport uses transport proteins but does not require energy? a Simple diffusion b Facilitated diffusion c Active transport d Osmosis 14 What is the movement of water across a semipermeable membrane called? a Active transport b Facilitated diffusion c Osmosis d Simple diffusion 15 Which transport mechanism moves molecules down their concentration gradient without the help of proteins? a Osmosis b Facilitated diffusion c Active transport d Simple diffusion 16 Which type of transport moves molecules against their concentration gradient using energy? a Active transport b Osmosis c Simple diffusion d Facilitated diffusion 17 Draw and label the 6 pathways of the sodium-potassium pump, indicating which steps require ATP. (OR write out and know how to draw it) Choose one or more answers a draw it b write it out c ignore it d slack off

Biology Study Test Pt 1Version en ligne

A mock quiz I made so I don't fail biology

par Lilly Brooks

What type of amino acids would you expect to find in the hydrophobic core of a membrane protein?

Polar

Hydrophobic Non-Polar

Hydrophilic Polar

Acidic

What effect does cholesterol have on membrane fluidity

Decreases Fluidity at High temperatures

Increases Fluidity at low temperatures

Both A and B

It has no effect

Which of the following proteins penetrate the hydrophobic core of the membrane?

Transmembrane proteins

Peripheral proteins

Extracellular proteins

Cytoplasmic proteins

What type of molecules can pass through a membrane via simple diffusion?

Small charged molecules

Large, uncharged polar molecules

Hydrophobic molecules

Ions

True or False; Integral proteins are usually embedded in the membrane and can serve multiple functions, such as transport and acting as enzymes.

True

False

True or False; In hypertonic solutions, water moves into the cell, causing it to swell.

False

True

Explain why drinking seawater is harmful to cells at the cellular level.

Written answer

Describe the structure of hemoglobin and how it is suited for its function.

Written answer

What are the key features of a porin protein and its role in gram-negative bacteria?

Written answer

In the Na+/K+ pump, _ are pumped out of the cell and _are pumped into the cell.

3 Sodium Ions & 2 Potassium Ions

3 Na+ Ions & 2 K+ Ions

4 Sodium Ions & 2 Potassium Ions

2 Sodium Ions & 3 Potassium Ions

Aquaporins are channels that _________ across the cell membrane.

Transport water

Transport Blood

Transport Oxygen

Transport Electrolytes

In active transport, the movement of ions is typically _ their concentration gradient, which requires the use of .

Against, CSE

With, ATP

Against, ATP

With, Na+

Which type of membrane transport uses transport proteins but does not require energy?

Simple diffusion

Facilitated diffusion

Active transport

Osmosis

What is the movement of water across a semipermeable membrane called?

Active transport

Facilitated diffusion

Osmosis

Simple diffusion

Which transport mechanism moves molecules down their concentration gradient without the help of proteins?

Osmosis

Facilitated diffusion

Active transport

Simple diffusion

Which type of transport moves molecules against their concentration gradient using energy?

Active transport

Osmosis

Simple diffusion

Facilitated diffusion

Draw and label the 6 pathways of the sodium-potassium pump, indicating which steps require ATP. (OR write out and know how to draw it)

Choose one or more answers

draw it

write it out

ignore it

slack off

Biology Study Test Pt 1

Test

Téléchargez la version pour jouer sur papier

Créé par

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Biology Study Test Pt 1Version en ligne

par Lilly Brooks

What type of amino acids would you expect to find in the hydrophobic core of a membrane protein?

What effect does cholesterol have on membrane fluidity

Which of the following proteins penetrate the hydrophobic core of the membrane?

What type of molecules can pass through a membrane via simple diffusion?

True or False; Integral proteins are usually embedded in the membrane and can serve multiple functions, such as transport and acting as enzymes.

True or False; In hypertonic solutions, water moves into the cell, causing it to swell.

Explain why drinking seawater is harmful to cells at the cellular level.

Written answer

Describe the structure of hemoglobin and how it is suited for its function.

Written answer

What are the key features of a porin protein and its role in gram-negative bacteria?

Written answer

In the Na+/K+ pump, _ are pumped out of the cell and _are pumped into the cell.

Aquaporins are channels that _________ across the cell membrane.

In active transport, the movement of ions is typically _ their concentration gradient, which requires the use of .

Which type of membrane transport uses transport proteins but does not require energy?

What is the movement of water across a semipermeable membrane called?

Which transport mechanism moves molecules down their concentration gradient without the help of proteins?

Which type of transport moves molecules against their concentration gradient using energy?

Draw and label the 6 pathways of the sodium-potassium pump, indicating which steps require ATP. (OR write out and know how to draw it)

Choose one or more answers