Revision for Biology 2a

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Name the five parts of a cell that both animal and plant cells have
A nucleus, cytoplasm, mitochondria, ribosomes, and a cell membrane
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Name three features of a yeast cell
A nucleus, cytoplasm and a cell membrane
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Where is the genetic material found in a bacterial cell?
It floats in the cytoplasm
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Where is the genetic material found in an animal cell?
In the nucleus
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Name three substances that can diffuse through cell membranes
Oxygen, glucose and water
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Name two substances that can't diffuse through cell membranes
Starch and proteins
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Give one way that a guard cell is adapted for controlling water loss
It becomes flaccid when there is little water, so the stoma close
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Give three ways that a sperm cell is adapted for swimming to an egg cell
1. Long tail 2. Streamlined head 3. Lots of mitochondria (for energy)
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What is a tissue?
A tissue is a group of similar cells that work together to carry out a particular function
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What is an organ?
An organ is a group of different tissues that work together to perform a certain function
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Give three examples of tissues in the human stomach and say what they do
1. Muscular tissue (moves stomach wall for digestion) 2. Glandular tissue (makes digestive juices) 3. Epithelial tissue (covers outside and inside)
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Name one organ system found in the human body
Digestive system
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Give an example of of a plant tissue
Mesophyll tissue
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Give an example of a plant organ
Stems
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What is the equation for photosynthesis?
Carbon dioxide + water ( + sunlight) -> glucose + oxygen
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What is the green substance in leaves that absorbs sunlight?
Chlorophyll
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Name the three factors that can limit the rate of photosynthesis
1. Light 2. Temperature 2. Levels of CO2
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Explain why it's important that a plant doesn't get too hot
The enzymes in the plant could become denatured
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Why is glucose turned into starch when plants need to store it for later?
Starch is insoluble which makes it better for storing - a cell with lots of glucose in would draw in lots of water and swell up
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What is a habitat?
A habitat is a place where an organism lives
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Over the next five cards, name the five environmental factors that can affect the distribution of organisms
1. Temperature
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2.
2. Availability of water
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3.
3. Availability of oxygen and carbon dioxide
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4.
4. Availability of nutrients
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5.
5. Amount of light
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Other cards in this set

Card 2

Front

Name three features of a yeast cell

Back

A nucleus, cytoplasm and a cell membrane

Card 3

Front

Where is the genetic material found in a bacterial cell?

Back

Preview of the front of card 3

Card 4

Front

Where is the genetic material found in an animal cell?

Back

Preview of the front of card 4

Card 5

Front

Name three substances that can diffuse through cell membranes

Back

Preview of the front of card 5
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