Question
hich of the following statements, from the cell theory, best supports the idea that viruses are non-living?
Sticker With A Dead Green Coronavirus Stock Illustration - Illustration of green, cartoon: 176981141
a
All cells are produced from other cells.
b
All viruses are composed of one nucleic acid and protein.
c
All animals are composed of cells.
d
All Living things are composed of cells.
Question 7
Which of the following describes how phospholipids are positioned in the double layer cell membrane?
a
hydrophobic phosphate heads face into each other inside the cell membrane
b
the phospholipids lie end to end phosphate head to fatty acid tail
c
hydrophilic phosphate heads face inside and outside the cell
d
hydrophobic fatty acid tails face inside and outside the cell
Question 8
Osmosis is the movement of _____ across a selectively permeable membrane.
a
water
b
solutes
c
glucose
d
oxygen
Question 9
Why does active transport require energy to move molecules of a substance across a cell membrane?
a
The substance moves from high to low concentration, with the concentration gradient.
b
The cell membrane is very thick.
c
The substance moves from low to high concentration, against the concentration gradient.
d
Lack of the substance makes the cell weak.
Question 10
Human red blood cells contain 0.9% sodium chloride as a component of their cytoplasm. What would happen if an IV solution containing 1.5% sodium chloride is introduced into a person?
a
Their red blood cells would absorb water across their cell membrane and begin to swell.
b
Their red blood cells would lose water across their cell membrane and begin to shrink.
c
The red blood cells would first absorb water across their cell membrane, then lose water across their cell membrane.
d
The red blood cells will first lose water across their cell membrane, then absorb water across their cell membrane.
Question 11
Which of the following is NOT an example of active transport?
a
facilitated diffusion
b
sodium potassium pump
c
exocytosis
d
endocytosis
Question 12
Which is true about active transport?
The Active Manager Paradox: High-Conviction Overweight Positions | CFA Institute Enterprising Investor
a
it moves material from high to low concentration
b
It requires energy
c
it does not ruse ATP
d
It moves substances down the concentration gradient
Question 13
A substance moves across a cell membrane from a higher concentration to a lower concentration, without using the cell’s energy or the use of membrane proteins, this is due to _________.
Diffusion - Definition, Examples and Types | Biology Dictionary
a
endocytosis
b
diffusion
c
sodium potassium pumps
d
facilitated diffusion
Question 14
Viruses can progress to two possible scenarios after infecting the host cell. Which of the following is characteristic of the lysogenic cycle?
What is a virus? How do they spread? How do they make us sick?
a
Viral DNA takes over the host cell, making new viruses that burst out of the cell.
b
Viruses enter the host cell, and rapidly make copies of the host DNA.
c
Viral RNA takes over the host cell, making new host cells.
d
Viral DNA is inserted into host DNA, and is replicated when the cell divides.
Sticker With A Dead Green Coronavirus Stock Illustration - Illustration of green, cartoon: 176981141
a
All cells are produced from other cells.
b
All viruses are composed of one nucleic acid and protein.
c
All animals are composed of cells.
d
All Living things are composed of cells.
Question 7
Which of the following describes how phospholipids are positioned in the double layer cell membrane?
a
hydrophobic phosphate heads face into each other inside the cell membrane
b
the phospholipids lie end to end phosphate head to fatty acid tail
c
hydrophilic phosphate heads face inside and outside the cell
d
hydrophobic fatty acid tails face inside and outside the cell
Question 8
Osmosis is the movement of _____ across a selectively permeable membrane.
a
water
b
solutes
c
glucose
d
oxygen
Question 9
Why does active transport require energy to move molecules of a substance across a cell membrane?
a
The substance moves from high to low concentration, with the concentration gradient.
b
The cell membrane is very thick.
c
The substance moves from low to high concentration, against the concentration gradient.
d
Lack of the substance makes the cell weak.
Question 10
Human red blood cells contain 0.9% sodium chloride as a component of their cytoplasm. What would happen if an IV solution containing 1.5% sodium chloride is introduced into a person?
a
Their red blood cells would absorb water across their cell membrane and begin to swell.
b
Their red blood cells would lose water across their cell membrane and begin to shrink.
c
The red blood cells would first absorb water across their cell membrane, then lose water across their cell membrane.
d
The red blood cells will first lose water across their cell membrane, then absorb water across their cell membrane.
Question 11
Which of the following is NOT an example of active transport?
a
facilitated diffusion
b
sodium potassium pump
c
exocytosis
d
endocytosis
Question 12
Which is true about active transport?
The Active Manager Paradox: High-Conviction Overweight Positions | CFA Institute Enterprising Investor
a
it moves material from high to low concentration
b
It requires energy
c
it does not ruse ATP
d
It moves substances down the concentration gradient
Question 13
A substance moves across a cell membrane from a higher concentration to a lower concentration, without using the cell’s energy or the use of membrane proteins, this is due to _________.
Diffusion - Definition, Examples and Types | Biology Dictionary
a
endocytosis
b
diffusion
c
sodium potassium pumps
d
facilitated diffusion
Question 14
Viruses can progress to two possible scenarios after infecting the host cell. Which of the following is characteristic of the lysogenic cycle?
What is a virus? How do they spread? How do they make us sick?
a
Viral DNA takes over the host cell, making new viruses that burst out of the cell.
b
Viruses enter the host cell, and rapidly make copies of the host DNA.
c
Viral RNA takes over the host cell, making new host cells.
d
Viral DNA is inserted into host DNA, and is replicated when the cell divides.
Answers
GPT-4o mini
Here are the answers to your questions based on the information provided:
**Question 6**: Which of the following statements, from the cell theory, best supports the idea that viruses are non-living?
- **Answer**: **d** - All Living things are composed of cells. (Viruses do not consist of cells, which aligns with the idea that they are non-living.)
**Question 7**: Which of the following describes how phospholipids are positioned in the double layer cell membrane?
- **Answer**: **c** - hydrophilic phosphate heads face inside and outside the cell.
**Question 8**: Osmosis is the movement of _____ across a selectively permeable membrane.
- **Answer**: **a** - water.
**Question 9**: Why does active transport require energy to move molecules of a substance across a cell membrane?
- **Answer**: **c** - The substance moves from low to high concentration, against the concentration gradient.
**Question 10**: Human red blood cells contain 0.9% sodium chloride as a component of their cytoplasm. What would happen if an IV solution containing 1.5% sodium chloride is introduced into a person?
- **Answer**: **b** - Their red blood cells would lose water across their cell membrane and begin to shrink.
**Question 11**: Which of the following is NOT an example of active transport?
- **Answer**: **a** - facilitated diffusion. (Facilitated diffusion is a type of passive transport.)
**Question 12**: Which is true about active transport?
- **Answer**: **b** - It requires energy.
**Question 13**: A substance moves across a cell membrane from a higher concentration to a lower concentration, without using the cell’s energy or the use of membrane proteins, this is due to _________.
- **Answer**: **b** - diffusion.
**Question 14**: Viruses can progress to two possible scenarios after infecting the host cell. Which of the following is characteristic of the lysogenic cycle?
- **Answer**: **d** - Viral DNA is inserted into host DNA, and is replicated when the cell divides.
**Question 6**: Which of the following statements, from the cell theory, best supports the idea that viruses are non-living?
- **Answer**: **d** - All Living things are composed of cells. (Viruses do not consist of cells, which aligns with the idea that they are non-living.)
**Question 7**: Which of the following describes how phospholipids are positioned in the double layer cell membrane?
- **Answer**: **c** - hydrophilic phosphate heads face inside and outside the cell.
**Question 8**: Osmosis is the movement of _____ across a selectively permeable membrane.
- **Answer**: **a** - water.
**Question 9**: Why does active transport require energy to move molecules of a substance across a cell membrane?
- **Answer**: **c** - The substance moves from low to high concentration, against the concentration gradient.
**Question 10**: Human red blood cells contain 0.9% sodium chloride as a component of their cytoplasm. What would happen if an IV solution containing 1.5% sodium chloride is introduced into a person?
- **Answer**: **b** - Their red blood cells would lose water across their cell membrane and begin to shrink.
**Question 11**: Which of the following is NOT an example of active transport?
- **Answer**: **a** - facilitated diffusion. (Facilitated diffusion is a type of passive transport.)
**Question 12**: Which is true about active transport?
- **Answer**: **b** - It requires energy.
**Question 13**: A substance moves across a cell membrane from a higher concentration to a lower concentration, without using the cell’s energy or the use of membrane proteins, this is due to _________.
- **Answer**: **b** - diffusion.
**Question 14**: Viruses can progress to two possible scenarios after infecting the host cell. Which of the following is characteristic of the lysogenic cycle?
- **Answer**: **d** - Viral DNA is inserted into host DNA, and is replicated when the cell divides.