AAMC FL2 Bio/Biochem Missed Concepts Flashcards

1
Q

biology

pyrimidines

A

cytosine
uracil
thymine

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2
Q

Biology

Purine

A

adenine
guanine

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3
Q

Biology

Active Transport

A

Moving ions into the cell against their concentration gradient, requiring energy

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4
Q

Biochemistry

pI (isoelectric point)

A

the pH at which the net charge of a protein molecule is zero

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5
Q

Biochemistry

When pI < pH the protein is

A

negatively charged

Ex) pI = 5 < pH = 7.2

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6
Q

Biochemistry

When pI > pH the protein is

A

positively charged

Ex) pI = 9 > pH = 7.2

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7
Q

Biology

Ubiquitination

A

targets a protein for degradation by a proteasome

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8
Q

Biochemistry

glycolysis occurs where?

A

cytoplasm

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9
Q

Biochemistry

CAC occurs where

A

mitrochondrial matrix

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10
Q

Biochemistry

oxidative metabolism occurs where?

A

internal folded mitochondrial membranes (cristae)

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11
Q

Biochemistry

ETC occurs where?

A

inner mitochondrial membrane

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12
Q

Biology

Southern Blot

A

DNA

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13
Q

Biology

Northern Blot

A

RNA

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14
Q

Biology

Western Blot

A

Proteins

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15
Q

Biology

Epithelial Cells

A
  • cover outer surface of internal organs and the body
  • secretory, transporting, regulatory functions
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16
Q

Biology

Endothelial Cells

A
  • line the cavities of the circulatory system
  • provide slippery, non-sticky surfaces for the flow of fluids
17
Q

Biology

Astrocytes

A
  • CNS
  • maintain blood brain barrier
  • regulation and perfom metabolite support
18
Q

Biology

Ependymal Cells

A
  • CNS
  • line spinal cord & ventricles of the brain
  • produces cerebrospinal fluid
19
Q

Biology

Oligodendrocytes

A
  • CNS
  • myelinate CNS axons
  • provide structural framework
20
Q

Biology

Microglia

A
  • CNS
  • Brain’s immune cells
  • remove dead cells and pathogens by phagocytosis
21
Q

Biology

Schwann Cells

A
  • PNS
  • Myelinate neurons in PNS
  • maintenance and regeneration of neurons after injury
22
Q

Biology

Prion

A

abnormaly folded protein that induces a normally folded version of the protein to also adopt the abnormal structure, which is also deleterious

23
Q

Biology

Proteases

A

digest proteins into smaller fragments

24
Q

Biochemistry

How many moles of ATP are produced in anerobic conditions?

A

2 moles

25
Q

Biochemistry

how many moles of ATP are produced in aerobic conditions?

A

38 moles

36 from CAC + ETC and 2 from glycolysis

26
Q

Biology

What organs arise from the ectoderm

A

brain/nervous system

27
Q

Biology

What organs are derived from the mesoderm

A

kidney
heart
skeletal muscle

28
Q

Biology

Microtubules originate from?

A

centrosomes