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all lectures combines Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

A cell is the basic unit of an organism and is composed of

A

3 major parts

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2
Q

Diffusion example

A

A molecule that crosses the membrane by moving from high to low and does not need cellular energy

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3
Q

If there was 100mEq of Na+ inside the cell and 50mEq of Na+ outside the cell, the concentration is said to be higher inside the cell

A

True

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4
Q

What substance can’t undergo passive diffusion because of a concentration gradient

A

Ions

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5
Q

What is the means of transport for large molecules and ions

A

Facilitated diffusion

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6
Q

What is the name for diffusion of water across a membrane

A

Osmosis

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7
Q

What is the movement of material out of the cell using energy

A

Excocytosis

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8
Q

Membranous organelles

A

1.Nucleus
2.Mitochondria
3.Lysosomes
4.Peroxisomes
5.Endoplasmic reticulum
6.Golgi apparatus

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9
Q

Non membranous organelles

A

1.Ribosomes
2.Centrosomes
3.Microfilament
4.Centrioles

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10
Q

What is normal saline solution to blood cells

A

Isotonic

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11
Q

A cell placed in a hypotonic solution will?

A

Expand or burst

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12
Q

What is the function of the active site of an enzyme?

A

To bind substrate

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13
Q

An enzyme can be used many times to produce a large amount of product

A

True

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14
Q

What class of organic compound are enzymes

A

Proteins

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15
Q

Enzyme function representation?

A

E+S-ES-EP-E+P

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16
Q

During metabolic reactions, as chemical bonds are broken the energy is..

A

Released

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17
Q

As chemical bonds are formed energy is what within the new bonds?

A

Captured

18
Q

Anabolism of ATP

A

Energy transferred from cellular respiration to reattach phosphate

19
Q

Nutrients that we consume have what kind of energy stored within their chemical bonds

A

Chemical

20
Q

Catabolism of ATP

A

Energy transferred and utilized by metabolic reactions when phosphate bond is broken

21
Q

Which product of cellular respiration has the most energy associated with it ?

A

Released electrons

22
Q

Glycolisis

A

1.Glucose as Substrate
2.Releases high energy electrons
3.Produces a net of 2 ATP

23
Q

Citric acid cycle

A

1.Requires oxygen
2.Releases high energy electrons
3.Produces a net of 2 ATP

24
Q

Electron transport train

A

1.Requires oxygen
2.Receives high energy electrons
3.Produces 28 ATP

25
Q

Which type of tissue provides support, protection and fills spaces of the body?

A

Connective tissue

26
Q

Purple tissue with a purple like blob in the middle and an eye in the middle of the blob

A

1.Functions to provide fast forms of communication
2.Includes cells with numerous cellular extensions connecting adjacent cells to one another

27
Q

Skeletal- Bright pink like tissue with white tubes across the tissue and some blue specs on the white tubes

A

1.Provides movement of the body segments
2.Allows high rates of energy consumption
3.Pumps blood to the body
4.Skeletal muscle
5.Usually attached to the bone

28
Q

Dense connective tissue-Blue and white like tissue that looks like water with slight waves

A

1.Most abundant form of tissue
2.Most varied of the tissue types
3.Provides support and mechanical protection

29
Q

Purple like tissue with darker purple bubble like sacs on it-Epithelial

A

1.Always avascular
2.Cells receive nutrients from deeper tissue layers
3.Cover surface and lines cavities

30
Q

Which type of tissue covers the body surface and lines organs and cavities

A

Epithelial tissue

31
Q

Smooth-Light pink tissue with darker pink circles in it

A

1.Smooth muscle
2.Found in the wall of hollow organs
3.Non striated cells

32
Q

Cardiac-Dark pink tissue with purple like cylinder specs on it

A

1.Cardiac Muscle
2.Found in the wall of the heart

33
Q

What organ system help with support and movement?

A

1.Muscular
2.Skeletal

34
Q

What organ system helps with integration and coordination

A

1.Nervous
2.Endocrine

35
Q

What organ system helps with body covering

A

1.Integumentary

36
Q

What organ system helps with absorption and excretion

A

1.Digestive
2.Respiratory
3.Urinary

37
Q

What organ system helps with Transport

A

1.Cardiovascular
2.Lymphatic

38
Q

What is the definition of homeostasis

A

The maintenance of a stable internal environment

39
Q

What body cavity would contain the heart esophagus and trachea

A

Mediastinum

40
Q

What is the isotonic for humans?

A

0.9% sodium chloride

41
Q

Telometers

A

at the end of chromosomes and it tells your cell to stop dividing

42
Q
A

Biology (8 decks)

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