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Biology > big to small > Flashcards

big to small Flashcards

1
Q

where is DNA stored in a cell

A

nucleus

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2
Q

what is the role of mitochondria

A

carry out respiration

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3
Q

what is the role of chloroplasts

A

carry out photosynthesis

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4
Q

Which organelles are not found in animal cells but are in plant cells?

A

chloroplasts, vacuole, cell wall

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5
Q

What is a plant cell wall made of?

A

cellulose

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6
Q

what is a fungi cell wall made of?

A

chitin

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7
Q

What is a gene?

A

A section of DNA that codes for a protein

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8
Q

How many chromosomes do humans have?

A

46 (23 pairs)

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9
Q

Which is bigger? Tissue or Organ?

A

organ

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10
Q

What is a tissue?

A

A group of cells that act together to perform a specific function.

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11
Q

Which chemical elements are in carbohydrates?

A

Carbon, Hydrogen, Oxygen (CHO)

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12
Q

Which chemical elements are in proteins?

A

Carbon, hydrogen, oxygen, nitrogen (CHON)

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13
Q

What are the monomers of proteins?

A

Amino acids

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14
Q

What is the monomer of starch?

A

glucose

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15
Q

What is the test for starch?

A

Iodine - orange to blue/black

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16
Q

What is the test for glucose?

A

Benedict’s - heat - blue to brick red

17
Q

What is the test for protein?

A

Biuret test - blue to purple

18
Q

What is the test for lipids?

A

Emulsion test - clear to cloudy

19
Q

What are the 4 bases of DNA?

A

Adenine, Thymine, Guanine, Cytosine

20
Q

Which DNA base pairs with cytosine?

A

Guanine

21
Q

What is the genome?

A

The entire DNA of an organism

22
Q

What are lipids made up of?

A

3 fatty acids and glycerol

23
Q

What is glycogen made up of?

A

Glucose

24
Q

Do plants or animals have starch?

A

Only plants

25
Q

What is an enzyme?

A

A biological catalyst in a metabolic reaction

26
Q

What happens if you heat an enzyme up too much?

A

It denatures - active site changes shape - substrate cannot bind

27
Q

What happens if you cool down an enzyme too much?

A

There is not enough kinetic energy so the number of collisions between substrates and enzymes is too low

28
Q

Give an example of a pathogen

A

Bacteria, fungi, protoctist, virus

29
Q

What is a pathogen?

A

An organism that causes disease

30
Q

Which kingdoms are eukaryotic?

A

Protoctista, fungi, plants, animals

Biology (5 decks)

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