Chemical composition in a cell
Presentation
•
Biology
•
11th Grade
•
Practice Problem
•
Medium
Xin Qi
Used 37+ times
FREE Resource
10 Slides • 8 Questions
1
Chemical composition in a cell (Part 1)
Water & Carbohydrate
2
Multiple Select
3
H₂O
Oxygen - slightly negative charge
Hydrogen - slightly positive charge
4
Multiple Select
5
Importance of water
1. Universal solvent - dissolve polar molecules
2. High specific heat capacity - absorbs a lot of heat with little ↑ in temperature.
3. Cohesive & Adhesive force: continuous flow of water in xylem. (Capillary action)
6
Multiple Select
7
Carbohydrate is made up of
Carbon, Hydrogen =,Oxygen
Molecular formula of glucose : C₆H₁₂O₆
8
Multiple Select
9
Maltose is a disaccharides which is made up of
two glucose monomers
(glucose + glucose → maltose)
- can be found in grains
10
Multiple Select
11
Sucrose is a disaccharides which is made up of
glucose and fructose
(glucose + fructose → sucrose)
- can be found in sugar cane
12
Multiple Select
13
Characteristics of disaccharides
1. Taste sweet
2. Water soluble
3. Can be crystallise
14
Multiple Select
Which of the following belongs to this category of carbohydrate?
15
Example of polysaccharides
1. Starch - energy source in plant
2. Glycogen - energy source in animal
3. Cellulose - found in cell wall of a plant
16
Multiple Choice
17
18
Chemical composition in a cell (Part 1)
Water & Carbohydrate
Show answer
Auto Play
Slide 1 / 18
SLIDE
