Cells Flashcards

1
Q

How many cells do humans have (average)?

A

100 trillion cells.

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2
Q

How many kinda of cells? What are they?

A

4 kinds. Bone, Muscle, Brain, Skin.

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3
Q

What are procaryotes?

A

Single cells organisms.

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4
Q

What are eucaryotes?

A

Multi-cell organisms.

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5
Q

Where do we get our Chromosomes?/How many do we have?

A

46 in total. 23 from each parent.

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6
Q

What do red blood cells contain?

A

Hemoglobin

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7
Q

Why is blood red?

A

Because of oxygen contact.

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8
Q

What is the purpose of white blood cells?

A

They help your body prevent getting sick.

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9
Q

What are cells? (Definition)

A

The basic unit of life

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10
Q

What are unicellular organisms?

A

Organisms made up of one cell. Euglena, Paramecium, Yeast

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11
Q

What are multicellular organisms?

A

Organisms with more than one cell. Plants, Animals, Fungus.

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12
Q

What are the smallest & biggest cells?

A

Smallest = Mycoplasma/Largest = Ostrich Egg

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13
Q

What is the first part of cell theory?

A

All living organisms are composed of one or more cells.

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14
Q

What is the second part of cell theory?

A

Cells are the basic unit of structure & organization of all living things

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15
Q

What is the third part of cell theory?

A

Cells arise only from previously existing cells, with cells passing copies of their genetic material on to the daughter cells.

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16
Q

What is plasma membrane?

A

A boundary that helps control what enters & leaves the cell.

17
Q

What are a cells 2 functions?

A
  1. Carrying genetic material that helps complete the cells jobs. 2. Break down molecules to make energy
18
Q

What are organelles?

A

Membrane bound structures that carry out specific cell functions in different parts of the cell at the same time.