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Biology > S3 - Biology Test > Flashcards

S3 - Biology Test Flashcards

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1
Q

What’s Missing:
Nucleus > Chromosomes > … > DNA

A

Genes

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2
Q

What’s missing?
… > Chromosomes > Genes > DNA

A

Nucleus

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3
Q

What’s missing?
Nucleus > … > Genes > DNA

A

Chromosomes

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4
Q

Nucleus > Chromosomes > Genes > …

A

DNA

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5
Q

State the order of each thing that occurs in a nucleus

A

Nucleus > Chromosomes > Genes > DNA

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6
Q

What are genes?

A

Genes are the unit of inheritance that determine you characteristics

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7
Q

State what a phenotype is

A

A phenotype is the term used to describe an organism’s physical appearance

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8
Q

State what a genotype is

A

The genes that an organism has

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9
Q

Different forms of the same gene are known as:

A

Alleles

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10
Q

What are chromosomes made up of?

A

Long strands of DNA

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11
Q

DNA is made up of…

A

Nucleotides

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12
Q

What are nucleotides made up of?

A

Phosphate , Deoxyribose Sugar & Base

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13
Q

What are the four different bases?

A

C G A T

(Cute Guys/Girls Are Thick)

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14
Q

What bases pair with one another?

A

C & G A & T

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15
Q

What are 3 uses for DNA?

A

Paternity suits , Immigration pursuits & Criminal Investigation

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16
Q

What does DNA do?

A

DNA carries genetic instructions for the development, functioning and growth for your body

17
Q

What is cell division - Mitosis?

A

Cell division is when our cells divide to grow and/or repair our body

18
Q

Why is cell division important?

A

Cell division is important because we need to make sure we have all the genes required to ensure no genetic information is lost

19
Q

What is mitosis also known as in biology?

A

Maintaining the diploid chromosome complement

20
Q

What is genetic engineering?

A

Genetic engineering allows us to grow artificial organs

21
Q

What are stem cells?

A

Stem cells are special cells that are able to turn into any cell

22
Q

What is a plasmid?

A

A small circular piece of DNA found in a bacterial cell.

23
Q

What can a plasmid be used for?

A

Genetic Engineering

24
Q

What are nucleotides?

A

The small units that make up DNA

25
Q

What are alleles?

A

Different forms of the same gene

Biology (10 decks)

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