A2 Biology (OCR)- Name that definition

How this works: The definition to a term will be written in the question box, and it's your job to pick the correct term! 

Good luck!

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  • Created by: Hannah
  • Created on: 10-06-11 12:33
Movement of molecules down their concentration gradient.
diffusion
1 of 13
Cell-signalling molecules
cytokines
2 of 13
Having 2 sets of chromosomes (eukaryotic cell or organism).
diploid
3 of 13
Liver cells
hepatocytes
4 of 13
The place where an organism orpopulation of organisms lives.
habitat
5 of 13
Stacks of thylakoid membranes, found in a chloroplast
grana
6 of 13
The number of times a cell divides before undergoing apoptosis.
Hayflick constant
7 of 13
Disorderly, often accidental cell death
necrosis
8 of 13
The role a species plays in an ecosystem
niche
9 of 13
Square frame used for sampling in field work
quadrat
10 of 13
Characteristic in which the allele responsible is only expressed in the phenotype if there is no dominant allele present
recessive
11 of 13
Cell formed, during sexual reproduction, from the fusion of two gametes
zygote
12 of 13
An excretory product formed from the breakdown of excess amino acids
urea
13 of 13

Other cards in this set

Card 2

Front

Cell-signalling molecules

Back

cytokines

Card 3

Front

Having 2 sets of chromosomes (eukaryotic cell or organism).

Back

Preview of the front of card 3

Card 4

Front

Liver cells

Back

Preview of the front of card 4

Card 5

Front

The place where an organism orpopulation of organisms lives.

Back

Preview of the front of card 5
View more cards

Comments

Emily Summers

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100% yay! C: 4/5 from me :D x

Hannah

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thanks :)

joygun

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1st Q, you needed to say water molecules because molecules also move down a diffusion gradient too. 3/5 :)

Becca Shan

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Question 6 isn't really correct, a stack of thylakoids is called a granum and many granum are called a grana ^.^ Other than that it is a good quiz.

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