Chapter 1 Flashcards

1
Q

What is osmosis?

A

Osmosis; when high concentration of water goes to a more lower concentration of water. Requires no water!
Key fact - a partially permeable

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2
Q

What is diffusion?

A

Manly happens with concentration (high to low - low to high) mostly happens through the atoms

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3
Q

A substance part of the respiration system?

A

Glucose - goes from the blood to the cells lining the stomach so that respiration can take place

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4
Q

What’s best for diffusion to increase into or out of the cell?

A

A large surface area or a folded membrane

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5
Q

Enzyme produced by the salivary glands?

A

Amylase - released in the pancreas and salivary glands to breakdown carbohydrates into simple sugars

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6
Q

What is the mitochondria?

A

A substance which aerobic respiration takes place

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7
Q

What is the function of the ribosomes?

A

To make protein

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8
Q

Give a reason why ribosomes can not be seen through a light microscope?

A

Because they are too small

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9
Q

What does the nucleus contain?

A

Chromosomes and DNA

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10
Q

Give two answers of what disease can link to obesity.

A

High blood pressure
And
Diabetes

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11
Q

Give one health problem that may be affected by the genes someone inherits

A

Having a high cholesterol

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12
Q

What system is the white blood cells apart of?

A

The immune system

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13
Q

When your ill, what does the white blood cells produce to kill microorganisms?

A

They produce antibodies

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14
Q

Why where there no antibodies to treat Ebola? (EVD)

A

Because antibiotics do not kill viruses

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15
Q

Give a definition to ‘Dose’

A

Concentration of (a) drug to be used or how often the drug should be given

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16
Q

Give a definition to ‘Efficacy’

A

Whether the drug works to treat the illness/disease

17
Q

Give a definition to ‘toxicity’

A

Side effects - if the drug makes the person ill or not

18
Q

What does white blood cells protect you from?

A

Against pathogens such as bacteria

19
Q

What does a pathogen do?

A

They make us ill

20
Q

What do white blood cells produce?

A

Antibodies - a way for the white blood cells to protect us from pathogens

21
Q

Give a reason why pathogens make us feel ill

A

Poisonous or toxins from the bacteria make us feel ill

22
Q

Give two reason how white blood cells protect us from pathogens

A
  • injects pathogens and kills them

- produce antibodies to destroy particular pathogens