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46 Cards in this Set
- Front
- Back
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How do prokaryote cells divide |
Binary fission |
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3 domains |
Bacteria Archaea Eukarya |
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What are flagella used for |
Movement/locomotion |
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Mitochondria function |
Site of energy production |
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Protein composition and monomer |
C, H, O, N, S Amino acid |
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Nucleic acid comp. and monomer |
C, H, O, N, P Nucleotides |
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Lipids comp. and monomer |
C, H, O, N, P 1 glycerol + 3 fatty acids |
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Name of substance that triggers ovulation |
Luitinising Hormone |
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Lactic acid equation |
Glucose = ATP + lactic acid |
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What do valves do |
Prevent backflow and maintain blood flow in one direction |
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What do enzymes do |
Increase rate of naturally occuring reactions |
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Why use scientific name rather than common name |
Universal In latin so dont change Not open to misinterpretation through translation |
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Outline main components of controlled experiment |
Should usually have 1 variable and all other factors are controlled |
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How is photosynthesis an anabolic and endergonic reaction |
Requires energy (endergonic ) Constructs complex molecules from simple (anabolic) |
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What happens at krebs cycle |
Pyruvate converted to acetyl-CoA which then feeds into krebs cycle for further oxidation |
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What do prokaryote cells contain |
ribosomes, cell wall, vacuole |
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where would starch be seen in onion cell |
cytoplasm |
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livers role in digestion |
assist physical digestion (bile) |
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if ideal conditions, stomata would |
net output of water/oxygen net input of CO2 because photosynthesis rate greater than cell res. |
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it would be expected that self pollination |
would produce offspring that have less variation compared to plants that pollinate by vectors |
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organelle name that would produce enzyme that digests starch to maltose |
ribosome or RER |
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function of golgi |
packages materials into vesicles for secretion |
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role of plasma membrane |
contain cell contents regulate input and output of substances |
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what gives leaves green colour |
chlorophyll |
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what form is digested carbs absorbed and where |
as glucose in small intestines |
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how do plants gain inorganic nutrients |
from air or soil |
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asexual reproduction examples |
binary fission, budding, spore formation, fragmentation, regeneration, vegetative. |
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what is binary fission |
single parent cell divides into 2 daughter cells Eg. amoeba, paramecium and bacteria |
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what is budding |
parent cell produces bud, it gets detached and develops into individual Eg. yeast, hydra |
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what is spore formation |
reproduce by producing spores and develop into individual Eg. fungi, fern, bacteria |
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do unicellular organism reproduce sexually? |
No, they do not produce gametes |
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what process produces cells in scar tissue |
mitosis |
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why does guttation occur in high humidity |
as a result of high water vapour in air, water lost from leaves are unable to evaporate |
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what physical feature of RBC assist in carrying oxygen |
biconcave disk shape |
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how is diffusion different from active transport |
- moves with concentration gradient - no expenditure of energy |
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molecule that moves by active transport and where |
glucose actively absorbed in small intestines |
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why don't RBC undergo mitosis |
- no nucleus - new cells formed in bone marrow |
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define chemosynthesis |
organisms that use inorganic molecules such as sulfur as an energy source. |
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define amphibian |
organisms that live both in water and on land |
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why is moisture required for gas exchange |
diffusion of gases occur more rapidly through water. |
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organic and inorganic molecules in photosynthesis |
inorganic: CO2 and water organic: glucose |
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role of chlorophyll |
acts as a light trapping pigments. the light energy harnessed used to split water into hydrogen and oxygen ions |
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name of light independent reaction |
dark reaction, calvin cycle |
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what is meant by asexual reproduction |
does not involve fusion of different gamete |
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what is the controls in experiments |
The factor that is kept the same for comparison |
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how is protein used in body cells |
as structural proteins for support |
