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7th grade Life Science > Cell Processes > Flashcards

Cell Processes Flashcards

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1
Q

Water molecules moving across the selectively permeable cell membrane form an area of high concentration to an area of low concentration.

A

Osmosis

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2
Q

Any molecules spread out from an area of high concentration to an area of low concentration.

A

Diffusion

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3
Q

The cell membrane can choose what it lets come in and what goes out.

A

Selectively permeable cell membrane

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4
Q

Cellular transport - Diffusion and Osmosis - that uses no energy.

A

Passive transport

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5
Q

Cellular transport that uses energy

A

Active transport

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6
Q

Equilibrium

A

Balance

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7
Q

Stable internal conditions in a living organism.

A

Homeostasis

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8
Q

Raw materials/Reactants

A

What goes IN to a reaction - Ingredients

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9
Q

Products

A

What comes OUT of a reaction - made.

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10
Q

Energy making process of all living organisms

A

Cellular respiration

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11
Q

Food making process of plants

A

Photosynthesis

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12
Q

Organelles Cellular respiration takes place in.

A

Mitochondria.

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13
Q

Organelle Photosynthesis takes place in.

A

Chloroplast

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14
Q

Green pigment in the chloroplast that traps the sun’s energy.

A

Chlorophyll

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15
Q

Raw materials of Photosynthesis.

A

Water + Carbon Dioxide + Solar energy.

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16
Q

Raw Materials of Cellular Respiration.

A

Glucose (sugar/food) + Oxygen

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17
Q

Products of Photosynthesis.

A

Glucose (sugar/food)

18
Q

Products of Cellular Respiration.

A

Water + Carbon Dioxide + Usable energy/ATP

19
Q

Usable energy made during Cellular respiration is also known as ______

A

ATP

20
Q

Photosynthesis and Cellular respiration can be thought of as ________________ of each other.

A

Opposites

21
Q

Photosynthesis and Cellular respiration make up the __________ and ____________ cycle.

A

Carbon and Oxygen Cycle

22
Q

How many stages are there of cell division?

A

3

23
Q

What are the three stages of cell division.

A

Interphase, Mitosis, Cytokinesis

24
Q

How many phases does Mitosis have?

A

4

25
Q

What are the four stages of Mitosis

A

Mitosis Prophase, Mitosis Metaphase, Mitosis Anaphase, Mitosis Telophase.

26
Q

What happens during Interphase.

A

The cell grows and prepares to divide. The DNA is copied/replicate/duplicated.

27
Q

What stage is the longest stage in cell division?

A

Interphase - Stage 1

28
Q

What stage produces two new daughter cells?

A

Cytokinesis - Stage 3

29
Q

What happens in telophase?

A

TWO NEW NUCLEi are created and the cell begins to divide.

30
Q

What happens in Anaphase?

A

Spindle fibers attach to the centromeres and the chromosomes PULL APART to opposites sides of the cell.

31
Q

What happens in Prophase?

A

Nuclear membrane disappears and the Chromotids PAIR UP.

32
Q

What happens in Metaphase?

A

Chromosomes line up in the MIDDLE of the cell.

33
Q

Why would cells divide?

A

For repair, replacement and growth.

34
Q

What is meiosis?

A

When sex cells (egg and sperm) divide.

35
Q

What type of cells divide during Mitosis?

A

All body cells (not sex cells).

36
Q

What is the female sex cell.

A

Egg - X

37
Q

What is the male sex cell?

A

Sperm - can be X or Y

38
Q

During what stage does DNA make a copy of itself?

A

Interphase - Stage 1.

39
Q

What is the difference between Mitosis and Meiosis?

A

Mitosis divides body cells. Meiosis divides sex cells.

40
Q

How many chromosomes are there in a human body cell?

A

46

41
Q

How many pairs of chromosomes are there in a human body cell?

A

23

42
Q

How many chromosomes come from mom and how many comes from dad?

A

23 and 23

7th grade Life Science (1 decks)

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