Food / Chemistry of Life

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Are minerals needed in small/big amounts?

Minerals are needed in small amounts.
What do minerals form in the body?

Minerals form body structures (eg. calcium for bones) and form soft body tissue (eg. muscles).
What sort of activity does minerals help?

Minerals help enzyme / hormone activity.
Give 4 points on Minerals?
- Minerals are needed in small amounts.
- Form body structures (eg. calcium for bones).
- Forms soft body tissue (eg. muscles).
- Helps enzyme / hormone activity.
Name 6 common minerals in living organisms?
- Sodium NA
- Magnesium MG
- Chlorine CL
- Potassium K
- Calcium CA
- Iron FE
- Zinc ZN
What are 2 minerals needed by plants?
- Calcium
- Magnesium
What is the function of calcium in plants?

Forms calcium pectate to make the middle lamella which holds the cell walls together.
What is the function of magnesium in plants?

Needed in chlorophyll structure which is necessary for photosynthesis.
What forms calcium pectate to make the middle lamella?

Calcium forms calcium pectate to make the middle lamella which holds the cell walls together.
The middle lamella holds what together?

The middle lamella holds the cell walls of the plant together.
The chlorophyll structure is necessary for what?

The chlorophyll structure is necessary for photosynthesis and it needs magnesium.
What are 2 minerals needed by animals?
- Calcium
- Iron
What is the function of calcium in animals?

Calcium is needed for bone formation.
What is the function of iron in animals?

Iron is necessary for the structure of the haemoglobin molecule which is involved in the transport of oxygen.
Iron is necessary for what structure, helping transport oxygen?

Iron is necessary for the structure of the haemoglobin molecule which is involved in the transport of oxygen.
Water is a major component of what 2 things?

What is a major component of cytoplasm and body fluids. (Makes up 70-95% of cell mass)
Water makes up what percentage of cell mass?

Water makes up 70-95% of cell mass.
What does it mean that water acts as a universal solvent?

Water acts as a universal solvent, therefore is a suitable medium in which chemical reactions can take place.
What type of thermal capacity does water have?

Water has a high thermal capacity- ie. difficult to change its temperature.
What can water split to produce?

Water can split to produce O2, H, e - important in photosynthesis.
Give 6 points on water properties?
- Water is a major component of cytoplasm and body fluids.
- Makes up 70-95% of cell mass.
- Acts a universal solvent- therefore is a suitable medium in which chemical reactions can take place.
- Involved in the movement of materials in and out of cells.
- Has a high thermal capacity- ie. difficult to change its temperature.
- Can split to produce- O2, H, e - important in photosynthesis.

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jacquelineglynn

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Food / Chemistry of Life

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Updated

2021-07-16T08:33:01Z