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EMB :) > Lecture 2 > Flashcards

Lecture 2 Flashcards

1
Q

Why are atoms never in their neutral form?

A

They always have to either give up or gain electrons in order “to be happy”

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2
Q

Inert elements

A

elements with complete outer shells ( no need to donate or receive electrons to complete shell)

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3
Q

Valency

A

The number of electrons an atom wants to gain or lose (not positive or negative just a neutral number)

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4
Q

Molecule

A

simplest unit of chemical compound made up of 2 or more atoms held together by chemical bonds

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5
Q

compound molecule

A

Made up of 2 or more different atoms

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6
Q

chemical bond

A

mutual attraction between 2 atoms

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7
Q

Ionic Bond

A

chemical links between. two atoms bound together by the attraction between oppositely-charged ions (not a very strong bond)

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8
Q

Ion

A

An electrically charged atom or group of atoms formed by the loss or gain of one or more electrons

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9
Q

What kind of marriage is an ionic bond like ?

A

Marriage for money because electrons are being given or received

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10
Q

What happens when ionic bond in water?

A

atoms would quickly separate from each other

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11
Q

Covalent bond

A

chemical link between two atoms where electrons are shared between them

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12
Q

What kind of marriage would a covalent bond be like ?

A

Marriage for love because a covalent bond is a stronger bond where atoms share electrons on their outermost orbit

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13
Q

What happens when 2 atoms form a molecular bond?

A

it’s like 2 people forming a couple and interacting with other couples

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14
Q

hydrophilic

A

water-loving

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15
Q

hydrophobic

A

hate water

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16
Q

Polar Molecule

A

Any covalent or ionic bond that has an uneven distribution of charge

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17
Q

Is hydrophilic polar or non-polar

A

since they dissolve in water they are polar

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18
Q

Non-polar Molecule

A

A molecule with no charge at all, completely neutral

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19
Q

Biochemistry

A

Study of substances and its reactions occurring in a living organism

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20
Q

Organic molecules

A

molecules that have at least 1 C in the center, surrounded by at least 1 H atom

21
Q

Inorganic Molecule

A

Everything else

22
Q

6 most common elements in Biochemistry

A

C, H, O, N, S, P

23
Q

Monomer

A

Molecule that can be bonded to other identical molecules to form a polymer (Mono~one, and mer~ measure or unit)

24
Q

Polymer

A

A compound made up of several repeating units aka monomers (Poly=many, + mer =units)

25
Q

anabolism

A

building reactions in metabolism

26
Q

catabolism

A

breaking down polymers back into monomers

27
Q

Metabolism

A

chemical process by which cells produce the substances and energy needed to sustain life

28
Q

What polymer corresponds with a nucleotide ?

A

DNA and RNA

29
Q

What polymer corresponds with an Amino Acid. ?

A

protein

30
Q

What polymer corresponds with glucose ?

A

Cellulose

31
Q

What polymer corresponds with fatty acid ?

A

triglyceride

32
Q

Body Cavities

A

large spaces inside the. body containing organs

33
Q

Dorsal

A

towards the spine

34
Q

Ventral

A

towards the belly

35
Q

What does the dorsal body cavity include ?

A
  1. Cranial cavity
  2. Spinal cavity (vertebral canal)
36
Q

What does the ventral cavity include ?

A
  1. Thoracic cavity
  2. Abdominal cavity
37
Q

Cranial cavity

A

the space inside the skull that contains the brain

38
Q

Spinal Cavity

A

Tunnel inside the vertebral column that contains the spinal cord

39
Q

Thoracic Cavity

A

the space in the trunk of the body from the top, down to the diaphragm

40
Q

Pericardial cavity

A

Sac that encloses the heart ( peri~ around, card~ heart)

41
Q

Pleural cavity

A

cavity compromised of a membrane that encloses the lungs

42
Q

Mediastinum

A

Cavity that contains organs and vessels in the space between the lungs, like the esophagus

43
Q

Abdominal

A

cavity within the abdomen, space between the abdominal wall and the spine

44
Q

Peritoneum

A

membrane that encloses the stomach, parts of the intestines, liver, gallbladder, pancreas, and spleen

45
Q

What doesn’t belong in the abdominal cavity?
-stomach
-kidney
-pancreas
-mediastinum
-liver

A

mediastinum

46
Q

What does the pleural cavity contain ?
-organs of the chest
-aorta
-pleura
-lungs
-mediastinum

A

lungs

47
Q

what is the brain contained inside of ?
- spinal cavity
-ventral cavity
-dorsal cavity

A

dorsal cavity

48
Q

Pelvic cavity contains these organs except :
-rectum
-urinary bladder
-reproductive organs
-kidneys

A

kidneys

EMB :) (29 decks)

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