What three things does calcium increase the rigidity of?
Bone, teeth and cartilage.
3 of 27
Calcium is a component of which part of the crustacean anatomy?
The exoskeleton.
4 of 27
Why is calcium important in the blood?
It helps the blood to clot.
5 of 27
Give three enzymes in which calcium is an activator.
Lipase, ATPase and cholinesterase.
6 of 27
Calcium also regulates what?
Transmission of nerve impulses.
7 of 27
Why is calcium important in the cell membrane and cell wall?
It regulates permeability of the membrane and is important in the development of the cell wall, as well as the formation of the middle lamella between cell walls.
8 of 27
What is the chemical symbol for a sodium ion?
Na+
9 of 27
Which three cations are involved in nervous transmission and muscle contraction?
Calcium (Ca2+), Sodium (Na+) and Potassium (K+)
10 of 27
Which three cations are involved with maintenance of pH?
Sodium (Na+), Potassium (K+), Ammonium (NH4+)
11 of 27
Which two cations are components of the vacuole?
Sodium (Na+) and Potassium (K+)
12 of 27
What two things does sodium affect the absorption of?
Carbohydrate in the intestine, and water in the kidney.
13 of 27
What is the chemical symbol for a potassium ion?
K+
14 of 27
Fill in the missing words: Potassium assists in _ _ of materials across _
Potassium assists in active transport of materials across the cell membrane.
15 of 27
Potassium is involved in the synthesis of which two things?
Glycogen and protein.
16 of 27
Potassium is involved in the breakdown of what?
Glucose.
17 of 27
What does potassium generate in flowering plants?
Healthy leaves and flowers.
18 of 27
What is the chemical symbol for a hydrogen ion?
H+
19 of 27
Hydrogen is involved in which two essential life processes in both plants and animals?
Respiration and photosynthesis.
20 of 27
Hydrogen is involved in the transport of what in the blood?
Oxygen and carbon dioxide.
21 of 27
Hydrogen is involved in the regulation of what?
Bloof pH.
22 of 27
What is the chemical symbol for an ammonium ion?
NH4+
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What 4 things is ammonium a component of?
Amino acids, proteins, vitamins and chlorophyll.
24 of 27
Ammonium is also a component of which protein structure?
Hormones e.g. insulin.
25 of 27
Ammonium is an essential constituent of?
Nucleic acids.
26 of 27
Ammonium is a component of a cycle called the...?
Nitrogen cycle.
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Other cards in this set
Card 2
Front
What is the chemical symbol for a calcium ion?
Back
Ca2+
Card 3
Front
What three things does calcium increase the rigidity of?
Back
Card 4
Front
Calcium is a component of which part of the crustacean anatomy?
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