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Midterm Review Cards > Living Enviornment > Flashcards

Living Enviornment Flashcards

1
Q

What are the characteristics of all living things?

A

Carry out life functions

Metabolism
Respiration
Synthesis
Nutrition
Excretion
Regulation
Growth
Transport
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2
Q

New concept tested in an investigation is known as a

A

Hypothesis

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3
Q

What is the difference between an independent variable and a control variable?

A

Independent variable is changed (tested) control stays the same

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4
Q

What is the difference between biotic and abiotic factors

A

Biotic – living

Abiotic – nonliving

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5
Q

Which two cell structures are only seen in plant cells

A

Chloroplast and a cell wall

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6
Q

Which two cell structures are only found in animal cells

A

Lysosomes and centrioles

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7
Q

Where can you find genetic information in a cell

A

Nucleus

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8
Q

Stain Is only used with animal cells

A

Methayne blue

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9
Q

Which stain is only used with plant cells

A

Iodine

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10
Q

Why do we make conclusions after an experiment

A

To analyze results and support – refute the hypothesis

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11
Q

Objective allows the observer to have the greatest field of you

A

10x

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12
Q

Why do scientists use diagrams and charts and graphs?

A

Organize data

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13
Q

What is the function of ribosomes

A

Produce proteins

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14
Q

What safety precautions should we use when heating a solution

A

Protective eyewear, gloves, test tube holder, put hair back, apron, point away from face

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15
Q

Which part of the microscope should not be used when viewing under high-power

A

Course adjustment knob (could break slide)

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16
Q

What is the best explanation as to why the classification system is changing

A

New discoveries of species. Advances in technology have made it easier to compare organisms

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17
Q

What are the common numbers used to scale a graph

A

1, 2, 3, 10, 5

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18
Q

Which laboratory techniques separate substances based on density? Think about the parts of the blood

A

Ultra centrifuge

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19
Q

System of classification shows the greatest amount of differences amongst its members?

A

Kingdom

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20
Q

Which laboratory techniques separates DNA

A

Gel electrophoresis

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21
Q

On the basis of which property is the DNA separated?

A

Size (large on top, small on bottom)

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22
Q

What are the characteristics of protists?

A

Eukaryotic, have a nucleus and sometimes flagella (tail)

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23
Q

What are some characteristics of Monera?

A

Prokaryotic, no nucleus example bacteria

24
Q

It’s two systems of classification provide an organism with that scientific name

A

Genus and species

25
Q

Which substance was used in a state lab to detect the presence of starch in a solution?

A

Lugols solution or iodine

26
Q

Cell structure is visible upon staining?

A

Nucleus

27
Q

Which life function is not necessary for individual survival

A

Reproduction only to maintain the species

28
Q

The levels of organization from smallest to biggest are

A

Organelle➡️cell➡️tissue➡️organ➡️organ system➡️organism

29
Q

What does a microscope due to the image besides making it easier to see

A

Enlarges and flipped it upside down

30
Q

Which direction does the slide move if I move it to the left?____ right?____forward?____backward?______

A
  1. Right
  2. Left
  3. Backwards
  4. Forward
31
Q

What part of the microscope controls the amount of light that passes through

A

Diaphragm

32
Q

What happens to the field of view under high-power

A

Decreases

33
Q

How do we determine total magnification of a microscope

A

Eyepiece(ocular)x Objective lens

34
Q

Which part of the microscope can be used with all objectives if the image is blurry

A

Find adjustment

35
Q

Which advancement lead to the formation of the cell theory

A

Invention of the compound microscope

36
Q

What is the chemical formula for glucose

A

C6h12o6

37
Q

What type of molecule is glucose

A

Carbohydrate (simple sugar)

38
Q

How does a molecule of glucose or any sugar look like

A

A ring

39
Q

What are the building blocks of carbohydrates

A

Simple sugars

40
Q

What are the building blocks of proteins

A

Amino acid

41
Q

What are the building blocks of lipids

A

Fatty acid and glycerol

42
Q

Are the building blocks of nucleic acid’s

A

Nucleotide

43
Q

Substance please a role in a chemical reaction

A

Water

44
Q

What is the function of mitochondria

A

Cellular respiration

45
Q

What is the function of the cell membrane

A

Selectively permeable, allowing things to enter and exit based on size

46
Q

What is the function of a vacuole

A

Storage

47
Q

Is the function of the chloroplast

A

Is the site of photosynthesis

48
Q

Is the function of the ocular on a microscope

A

Magnifying the image

49
Q

Asexual reproduction produces offspring that are

A

Hundred percent genetically identical to the parent

50
Q

What is dehydration synthesis

A

Removing H2O to create large molecules

51
Q

What is hydrolysis

A

Adding H2O to break down large molecules

52
Q

How should our specimen be in order to best view them using a compound microscope

A

Thin Enough to let light pass through

53
Q

Describe diffusion

A

High concentration to low concentration no energy with gradient

54
Q

Describe active transport

A

Low concentration to high concentration energy against the gradient

55
Q

How do you prepare a wet mount slide

A

Add drop of water, please cover slip at 45° angle to prevent air bubbles

Midterm Review Cards (2 decks)

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