What are chemical reactions that are going on all the time in every living organism?
Metabolic reaction
10
Water is an important […]
Solvent
10
Carbohydrates include … and ….
starch and sugar
10
Carbohydrates’ molecules contain …, … and … atoms
COH- carbon(C), oxygen(O) and hydrogen (H)
10
The simplest kinds of carbohydrates are the simple sugars AKA ….
Monosaccarides
10
What is the formula of a glucose molecule?
C₆H₁₂O₆
10
If two simple sugar molecules join together, a larger molecule called a complex sugar AKA
Disaccharide
10
Two examples of complex sugars are…, and …
sucrose and maltose
10
A polysaccharide is a very large molecule containing … of sugar molecules joined together in a ling chain.
THOUSANDS
10
Starch, Cellulose and glycogen are examples of …
Polysaccharides
10
Which of these is a polysaccharide often found in animal cells?
glycogen
10
Most polysaccharides are soluble/insoluble and taste sweet/do not taste sweet.
Most polysaccharides are soluble and taste do not taste sweet.
10
One gram of carbohydrate releases …kJ of energy by respiration. How many g/kJ?
17kJ
10
What carbohydrate is usually used in respiration?
Glucose
10
Plants are also use glucose in respiration, to provide them with energy. However, they do not transport glucose around their bodies. Instead, they transport … The cells change …. into glucose when they need to use it.
Sucrose
10
Plants store carbohydrates as … It is quick and easy to change glucose into… or … into glucose. Some plants use large quantities of … in their seeds or tubers and we use it as food.