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Biology > Cells > Flashcards

Cells Flashcards

Learn about cells organelles and so on....

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1
Q

What is in a PLANT cell?😄👌

A

There is a cell membrane,cell wall,cytoplasm,nucleus,A LARGE PERMANENT vacuole,chloroplasts,and mitochondria

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2
Q

What is a ribosome ?😃

A

A ribosome is a tiny organelle where protein synthesis occurs(where protein is produced)

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3
Q

Name what a nucleus is and its function?🙈

A

A nucleus contains genetic material,including DNA which control the cell’s activities.

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4
Q

Name a function of cytoplasm and why we need it?🙃

A

Cytoplasm is a jelly like material which contains dissolved nutrients,salts and structures.THESE ARE CALLED ORGANELLES.This is also where most chemical reactions happen.

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5
Q

What is a mitochondria?🤪

A

Mitochondria are organelles that contain enzymes for respiration, and where most energy is released in respiration

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6
Q

Define a Cell Membrane and what it does?😑

A

Its structure is permeable to some substances but not to others. It therefore controls the movement of substances in and out of the cell

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7
Q

Plant cells have large permanent vacuole which contain what and How is it used?😲

A

These vacoules are contained with cell sap made from sugars like glucose which help keep the cell Turgid.(swollen or weird shape/to keep its shape)

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8
Q

How is a chloroplast involved in photosynthesis?

🙋‍♂️

A

Chloroplasts are organelles that contain a green pigment called chlorophyll which absorbs light energy for photosynthesis. They contain the enzymes needed for photosynthesis.

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9
Q

What is a cell wall created from and how does it help the plant cell?😉

A

The cell wall is made from cellulose fibres and strengthen the cell and supports the plant.

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10
Q

Animal cells may have vacuoles too. How is this different from plant ones?💪

A

Animal cells may have SMALL TEMPORARY CELLS while plants have large permanent vacuoles.
An animal’s vacuole is commonly used to store or transport substances

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11
Q

What are in an ANIMAL cell?🤔

A

Nucleus, cell membrane, cytoplasm,mitochondria

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12
Q

What are ENZYMES?😉

A

Enzymes are biological catalysts that speed up the rate of a reaction.

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13
Q

What is a Eukaryotic cell?😐

A

Eukaryotic cells are cells that contain a nucleus

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14
Q

What are prokaryotic cells?🤨

A

Prokaryotic cells are cells without a nucleus.

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15
Q

The nucleus contains __________ which are designed into 23 pairs and also include DNA. Fill in the missing word.

A

Chromosomes

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16
Q

What is the definition for respiration?🤴

A

Respiration is a reaction which takes place in every cell of our body and it produces energy.

17
Q

What does DNA stand for?😅

A

Deoxyribonucleic acid

18
Q

In a plant cell, the cell wall _________ the cell membrane. What is the missing word?👊

A

Protects

19
Q

What might mitochondria be known as?😏

A

The powerhouse of the cell.

20
Q

A Bacterium is a what type of cell?👋

A

Prokaryotic cell

21
Q

What do prokaryotic cells contain?💥

A

Cell wall, cell membrane, plasmids ,loops of DNA

22
Q

What is the average size of a Eukaryotic cell?

A

Between 5 - 100 micro metres

23
Q

What layers do a Eukaryotic cell have?🧐

A

A cell membrane which is covered by a cell wall and FUNGI.

24
Q

DNA can be found in a nucleus located in a Eukaryotic cell but other type of DNA can be seen in simple Eukaryotic organisms?😇

A

Plasmids

25
Q

What is a Eukaryotic cell’s type of cell division?🤨

A

Mitosis

26
Q

What is the average size of a Prokaryotic cell?😛

A

Most of them are 0.2 - 2 micro metres

27
Q

Prokaryotic cells are surrounded by a cell wall and also what?🧏‍♂️

A

Cell membrane

28
Q

What are the contents of the prokaryotic cell?

A

There is cytoplasm and ribosomes present however there are no mitochondria and chloroplasts.

29
Q

What type of cell division is a prokaryotic cell?🤟

A

Binary fission

30
Q

What genetic material is contained within a prokaryotic cell?

A

DNA is a single molecule that is found free in the cytoplasm. Additional DNA is found on one or more rings called plasmids.

Biology (4 decks)

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