Biology Unit Review Flashcards

1
Q

What do all living things contain?

A

All living things contain cells

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2
Q

What are all living things able to do?

A

all living things are able to reproduce

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3
Q

What type of tissue is found in the heart?

A

Epithelial, muscle, and nerve

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4
Q

What tissue in is plant systems?

A

Vascular
Dermal
Ground

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5
Q

What does ground tissue do

A

storage & support

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6
Q

what does vascular tissue do?

A

transports water and minerals

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7
Q

what d is periderm tussue

A

-bark
-provides protection

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8
Q

what happens in interphase

A

DNA duplication

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9
Q

what happens in prophase

A

-chromosomes become visible
-nuclear membrane fades
-centrioles move to poles of cell

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10
Q

what happens in metaphase

A

-chromosomes line up in the middle
-centrioles are at poles
-spindle fibers attach to chromosomes

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11
Q

what happens during telophase

A

-chromosomes at opposite poles of cell
-nuclear membrane begins to reform
-daughter cells begin

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12
Q

In plants, cells that can develop into any kind of tissue are called:

A

meristem cells

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13
Q

What are cells that contain half of the DNA from each parent cell called?

A

gametes

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14
Q

What does connective tissue do

A

-support
-insulation

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15
Q

what does epithelial tissue do?

A

-protect from dehydration
-low friction surfaces

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16
Q

what does muscle tissue do?

17
Q

what does nerve tissue do?

A

-sensory
-communication & co-ordinates body functions

18
Q

What is the equation of photosynthesis

A

H2O+CO2 —> C6H12O6+ O2

19
Q

When are DNA strands replicated?

A

Interphase

20
Q

What is the nervous system responsible for

A

-Sends info throughout body from brain

21
Q

What part of the plant contains male sex cells?

22
Q

What is the function of the leaves on plants

A

Photosynthesis

23
Q

What is the function of flowers on plants

A

reproduction

24
Q

When the guard cells OPEN the stomate

A

-light
-CO2

25
When do guard cells CLOSE the stomate
-drought -darkness
26
What do arteries carry
oxygenated blood
27
What are the main sources of blood stem cells
Umeical cord & bone marrow
28
Why do guard cells open/close stomate?
conserve water
29
Why do skeletal muscles always work in pairs?
one muscle causes the joint to flex, and the other muscle causes the joint to straighten
30
During diffusion, substance move from:
high concentration to low concentration
31
why do cells divide
-reproduction -growth -repair
32
what factors effect growth & rate of cell cycle
-DNA is undamaged -Sun -Viruses -Signals to divide -etc
33
Where is smooth muscle found
-digestive system -circulatory system