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bio 10 > Topic 3 > Flashcards

Topic 3 Flashcards

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Biology 101 flashcards
1
Q

What are cells and what do they do

A

They all are special and preform different functions

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2
Q

What are Tissues what do they do

A

a group of specialized cells working together to preform a function

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3
Q

What do organs do

A

are tissues contributing to the same function

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4
Q

What is the organ system

A

a group of organs working together

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5
Q

what is a unicellular organism?

A

All life process is in one cell, a large surface area to volume ratio and has a shorter life than a multicellular organisim

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6
Q

What is a multicellular organism?

A

have different specialized cells that all preform different functions, small surface area to volume ratio and a longer life than the unicellular organisim.

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7
Q

Dermal tissue is found where?

A

on the outsides of plants

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8
Q

What does dermal tissue create and what does that do?

A

A cuticle and a cuticle is a waxy covering that protects the plant from water loss and insect attacks

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9
Q

The ground tissue is found where?

A

Right under the upper epidermis

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10
Q

What does the ground tissue do?

A

is responsible for the photosynthesis plus the water and food resources.

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11
Q

why is the palisade tissue compacted together?

A

Because it allows for better photosynthesis

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12
Q

what is the spongy mesophyll tissue do in the ground tissue?

A

is not compact like the palisade in order to maximize the diffusion of gases.

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13
Q

Vascular tissue is used for?

A

The transportation of materials

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14
Q

what are the two tubes that transport the materials?

A

Phloem and Xylem

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15
Q

What does Xylem do?

A

Moves the water and minerals absorbed from the roots of the plant to the rest of the whole plant

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16
Q

What does phloem do?

A

glucose and sugars from the leaves to the rest of the plant

17
Q

What is a Vascular bundle

A

Seen as the veins of the leaf on the underside of the leaf

18
Q

Describe what the shoot system does

A

The shoot system includes tubers, stem, leaves, buds, flower’s and fruits. Containing photosynthesis organs that can absorb Co2 and then release 02

19
Q

Describe what the Root system does

A

The root system is everything underground the plant, and absorbs the water and minerals from the soil

20
Q

Reactants for Photosynthesis

A

Carbon dioxide (CO2)
Water (H2O)
Light energy

21
Q

Reactants for Cellular Respiration

A

Glucose (C6H12O6)
Oxygen (O2)

22
Q

Products of Photosynthesis (what u get from photosynthesis)

A

Glucose (C6H12O6)
Oxygen (O2)

23
Q

Products of Cellular Respiration (what u get from cellular respiration)

A

Carbon dioxide (CO2)
Water (H2O)
ATP (energy)

24
Q

Equation for Photosynthesis

A

Carbon Dioxide + Water –sunlight→ Glucose + Oxygen
​

25
Q

Equation for Cellular Respiration

A

Glucose + Oxygen → Carbon Dioxide + Water + ATP

26
Q

What does the stomata do?

A

Stomata does the gas exchange for the plant

27
Q

what are guard cells and what do they do?

A

Guard cells are specialized cells and protects the stomata from water loss, plus only opening when sunlight hits them and closing when its not

28
Q

How does the stomata close and what happens when it does close?

A

When the sunlight does not hit the guard cells making them closed the potassium is no longer pumped by active transport and then potassium diffuses back out through the guard cells going along the concentration gradient

29
Q

How does the stomata open and what happens when it does open?

A

The two guard cells open when the sunlight hits the stomata then potassium is pumped in through the guard cells by active transport and then water from the ECF is flows into the cell by osmosis

30
Q

What are Lenticels

A

In woody plants allow the entry of gases

31
Q

What is Phototropism

A

Is the tendency of a plant growing towards the light source

32
Q

Which part of a plant in Phototropism is negative and positive and negative and why?

A

The stem is positive because the stem can sense the light allowing the stem to grow toward the light.
the Roots have a negative phototropism because the roots are underground growing the opposite way of the light source.

33
Q

Auxins function

A

The substance which allows the plant to have phototropism, and a hormone that produced in plants the transported to cells which can elongate upon its contact.

34
Q

Gravitropism is

A

Direction of plant growth depending on the response of gravity

35
Q

what on the plant has negative and positive gravitropism

A

Stems are negative because of a 90 degree angled turn to the left
Roots are positive because of a 90 degree angled turn to the right

bio 10 (3 decks)

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