Biology Key Words pt2

?
  • Created by: Jinesha
  • Created on: 11-05-15 20:24
Nucleus
Control the cell's activities
1 of 43
Cytoplasm
Where many chemical reactions take place
2 of 43
Cell membrane
Controls the movement of materials in and out of the cell
3 of 43
Mitochondria
Where energy is released during aerobic respiration
4 of 43
Ribosomes
Where protein synthesis takes place
5 of 43
Cell wall
Made of cellulose for support
6 of 43
Chloroplasts
Contains Chlorophyll for photosynthesis; the chloroplasts absorb light energy to make food
7 of 43
Specialized
Adapted for a particular function
8 of 43
Diffusion
Net movement of particles from a higher concentration to a lower concentration along a concentration gradient
9 of 43
Concentration gradient
Where two areas have different concentrations of the same thing
10 of 43
Chlorophyll
This is the green chemical found in plant cells
11 of 43
Multicellular organisms
Organisms that consist of more than one cell, in contrast to single-celled organisms
12 of 43
Epidemic
A widespread occurrence of an infectious disease in a community at a particular time
13 of 43
Epidermal tissue
The tissue of the Epidermis - the outer layer of an organism
14 of 43
Epithelial tissue
Tissue made up of relatively unspecialised cells which line the tubes and organs of the body
15 of 43
Mesophyll tissue
The tissue in a green plant where photosynthesis takes place
16 of 43
Salivary gland
Gland in the mouth which produces saliva containing the enzyme amylase
17 of 43
Mineral ion
Chemical needed in small amounts as part of a balanced diet to keep the body healthy
18 of 43
Nitrate ion
Ion which is needed by plants to make proteins
19 of 43
Biomass
Biological material obtained from living or recently living plant matter that can be processed into electricity, fuel and heat
20 of 43
Quadrat
A piece of apparatus for sampling organisms in the field
21 of 43
Enzymes
Biological catalysts
22 of 43
Active site
A small port in an enzyme where substrate molecules bind and undergo a chemical reaction
23 of 43
Denatured
The enzyme stops working because the active site changes shape
24 of 43
Bile
A greenish-brown alkaline fluid which helps digestion and is secreted by the liver and stored in the gall bladder
25 of 43
Biological detergents
Contain proteases and lipases that digest food stains. They work at lower temperatures than ordinary washing powders. This saves energy and money spent on electricity
26 of 43
Isomerase
Used to convert glucose syrup into fructose syrup
27 of 43
Fructose syrup
Liquid sweetener used in the manufacturing of foods and beverages
28 of 43
Glycogen
The main way the body stores glucose for later use
29 of 43
Glycerol
Building blocks of lipids
30 of 43
Oxygen debt
A temporary oxygen shortage in the body tissues arising from exercise
31 of 43
Mitosis
Type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus
32 of 43
Meiosis
A type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell
33 of 43
Allele
A version of a particular gene
34 of 43
Stem cells
Undifferentiated biological cells that can differentiate into specialized cells and can divide (through mitosis) to produce more stem cells
35 of 43
Ovum
A mature female reproductive cell
36 of 43
Phenotype
Physical appearance of the characteristic
37 of 43
Genotype
The genetic make-up - which alleles does the individual inherit?
38 of 43
Homozygous
Both alleles are the same DD or dd
39 of 43
Heterozygous
The two alleles are different Dd
40 of 43
Extiction
Species which once existed has completely died out
41 of 43
Geographic isolation
Refers to a population of animals, plants, or other organisms that are separated from exchanging genetic material with other organisms of the same species
42 of 43
Speciation
When the two populations can no longer successfully interbreed
43 of 43

Other cards in this set

Card 2

Front

Where many chemical reactions take place

Back

Cytoplasm

Card 3

Front

Controls the movement of materials in and out of the cell

Back

Preview of the back of card 3

Card 4

Front

Where energy is released during aerobic respiration

Back

Preview of the back of card 4

Card 5

Front

Where protein synthesis takes place

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Unit 2 resources »