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MacBook Blue-Green: LAB > Mac 7-12: J pt 2 > Flashcards

Mac 7-12: J pt 2 Flashcards

1
Q

True or False

Spectrometry is based on the absorption of photons by the analyte

A

-True

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2
Q

True or False

The usual Beer’s Law plot is a plot of conc of absorber on the y-axis vs measured absorbance on the x-axis

A

-False (Y-axis Absorbance vs X-Axis conc of absorber)

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3
Q

When a beam of plane-polarized light is passed through a solution of optical isomer,it rotates the light to the left Thus the CHO contained in the solution is:

  • (-) Levorotatory
  • (+) Levorotatory
  • (+) Dextrorotatory
  • (-) Dextrorotatory
A
  • (-) Levorotatory (X)

- (+) Levorotatory (Initial Ans)

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4
Q

The study of roles of sugar in health and disease

  • Glycobiology
  • Glycology
  • Glycolysis
  • Glycomics
A

-Glycomics

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5
Q

Fill in the blank

__-test is used to detect presence of glycerol

A

-Acrolein

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6
Q

The mRNA is translated 5-3 producing the corresponding C-terminal N-terminal polypeptide

  • Guanine
  • Adenine
  • Cytosine
  • Thymine
A
  • Thymine (X)

- IDK (Initial Ans)

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7
Q

D-Glucose and D-Galactose differ as a result of variations in configuration of the-OH and Hon carbon number 4 and thus differ only in configuration about one chiral center They are classified as

  • Mirror Molecules
  • Perimers
  • Nanomers
  • Epimers
A

-Epimers

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8
Q

Encodes blueprint for proteins

  • rNA
  • mRNA
  • miRNA
  • tRNA
A

-mRNA

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9
Q

Which of the following is a reducing sugar?

  • Sucrose
  • Maltose
  • Polypeptide
  • Trehalose
A

-Maltose

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10
Q

The complementary strand of mRNA is synthesized in transcription in which part of the cell?

  • Cytoplasm
  • Smooth ER
  • Nuclear Pore
  • Nucleus
A

-Nucleus

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11
Q

Fill in the blank

This substance is a diamide of carbonic acid, CO(NH2)2 __

A

-Urea

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12
Q

The following happens during fasting or starvation when insulin is low, EXCEPT.

  • Muscles do not take up glucose
  • Ketone bodies are utilized as fuel by muscles and other tissues
  • Muscles undergo hypertrophy secondary to increased gluconeogenesis
  • Muscles utilize fatty acids as sources of fuel/energy
A
  • Muscles utilize fatty acids as sources of fuel/energy (X)

- Ketone bodies are utilized as fuel by muscles and other tissues (Initial Ans)

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13
Q

One of the following is an aldose sugar

  • Dihydroxyacetone
  • Fructose
  • Ribulose
  • Mannose
A

-Mannose

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14
Q

Fill in the blank

In the structure of Cholesterol, there are how many rings?

A

-Three-Sex Membered Rings and Five Membered Ring (Basi kay wrong spelling)

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15
Q

True or False

The reciprocal of the wavelength is called the Ohms

A

-False (Wavenumber)

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16
Q

The designation of D or L isomerism is determined by spatial relationship (orientation of -H or-OH
groups around the carbon atom adjacent to the terminal primary alcohol) which is found within this
parent compound of Carbohydrates

  • Ribose
  • Erythrose
  • Glucose
  • Fructose
A

-Glucose

17
Q

Fill in the blank

This refers to increase urination __

A

-Polyuria

18
Q

Fill in the blank

This refers to total cessation of urination __

A

-Anuria

19
Q

Which of the following is TRUE about Lipoproteins?

  • Total plasma concentration of LPP is 500mg/dL
  • Smaller than chylomicrons
  • Transports cholesterol, phospholipids, proteins and carbohydrates
  • Large quantities are being excreted
A
  • Transports cholesterol, phospholipids, proteins and carbohydrates (X)
  • Smaller than chylomicrons (Initial Ans)
20
Q

Fill in the blank

__-test is used to detect presence of sesame oil

A

-Baudoin

21
Q

True or False

The unit of frequency is the Hertz (Hz) which corresponds to one per cycle per second, that is 1Hz =1s

A

-False ( I Hz = | s¹¹)

22
Q

True or False

Atoms and molecules may absorb and/or emit EMR

A

-True

23
Q

Fill in the blank
Grading of SSA Turbidity
Turbidity, granulation, no flocculation

A

-2+

24
Q

Which of the following is NOT TRUE about TAGS?

  • Before the fatty acids from TAGs can be used for energy, it must be processed further in the smooth ER
  • Many of the carbohydrates ingested with each meal are converted into triglycerides , stored, and used later in the form of fatty acids released from the triglycerides for energy
  • After hydrolysis of triglycerides to fatty acids and glycerol, both will be transported in the blood to the active tissues where they will be oxidized to give energy
  • Almost all cells can use fatty acids from TAGs for energy except for brain tissue and red blood cells
A
  • Almost all cells can use fatty acids from TAGs for energy except for brain tissue and red blood cells (X)
  • IDK (Initial Ans)
25
Q

Determine the major ions with each cellular compartment
Fe+

  • Extracellular
  • Intracellular
  • None of the above
A
  • Extracellular (X)

- IDK (Initial Ans)

26
Q

True or False

The wave is described either in terms of wavelength, the distance of two complete cycle

A

-False (One Complete Cycle)

27
Q

True or False

The UV-Vis Spectrophotometer uses light over the ultraviolet range and visible range

A

-True

28
Q

Interaction of lipids and proteins in the lipid bilayer, EXCEPT?

  • Loosely bound bonds are tend to attach to the outer surface of the membrane
  • Palmitate is a FA that is involved in such linkages to specific proteins
  • Some proteins are anchored to one leaflet of the bilayer by covalent linkages
  • A-helix structure of proteins minimizes the hydrophobic character of the peptide bonds
A
  • Loosely bound bonds are tend to attach to the outer surface of the membrane (X)
  • IDK (Initial Ans)
29
Q

The least number of carbon a carbohydrate may have is

  • 2
  • 3
  • 5
  • 4
A

-3

30
Q

Which of the following is NOT TRUE about the Urinary System?

  • 20% of water is reabsorbed in the descending loop of henle
  • The women’s capsule is a funnel-like structure and is beginning of the nephron
  • Only 1% is being eliminated or excreted as urine
  • Blood flows through the glomerulus and absorption occurs in the tubules
A

-Only 1% is being eliminated or excreted as urine

31
Q

Fill in the blank
Interpret the Color of the Urine
DEEP YELLOW - __

A

-Jaundice

32
Q

Fill in the blank

POSITIVE RESULT FOR HELLER’S TEST ___

A

-White Ring

33
Q

The following is/are true of Carbohydrate, EXCEPT.

  • Serve as energy stores fuels and intermediates
  • Starch and glycogen are storage polymers of glucose
  • Their general/empirical formula is (CH2OH)n
  • Hydrates of Carbon
A

-IDK (Bahala ka na Dyan)

34
Q

Fill in the blanks

WBC that combats for parasitic infection __

A

-Eosinophils

35
Q

Which of the following fatty acid has 16 carbon chain and is fully saturated?

  • Stearic Acid
  • Oleic Acid
  • Palmitic Acid
  • Linoleic Acid
A

-Palmitic Acid

MacBook Blue-Green: LAB (9 decks)

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