BIO test 10 Flashcards

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1
Q

Gram positive includes

A
  • A capsule
    -Thick peptidoglycan layer
    -Purple stain
    -No outer membrane
    -Has Exotoxin
    -NO LPS layer/ Endotoxin
    -Has Teichoic acids
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2
Q

Gram negative includes

A

-A capsule
-Thin peptidoglycan layer
-Pink stain
-An outer membrane
-Has Exotoxin
-Has LPS layer/Endotoxin
-No teichoic acids

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3
Q

What are some protease enzymes
(protease are proteins that break down proetin into amino acids)

A

trypsin, chymotrypsin and elastase.

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4
Q

What are some carbohydrate enzymes

A

amylases, invertases, inulinases, galactosidases, glucosidases, fructosyltransferases, pectinases and glucosyltransferases.

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5
Q

nitrogen fixation in which atmospheric nitrogen is converted into ammonia and ammonium by nitrogen-fixing bacteria in

A

legume root nodules

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6
Q

the formation of new species, speciation, due to reproductive isolation resulting from a geographic barrier.

A

Allopatric speciation

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7
Q

occurs without geographic barriers. Instead, reproductive isolation occurs by other mechanism

A

Sympatric speciation

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8
Q

primary excitatory neurotransmitter in the central nervous system?

A

Glutamate and aspartate

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9
Q

inhibitory neurotransmitters include

A

GABA – in contrast to glutamate is a MAJOR INHIBITORY neurotransmitter in the brain
Serotonin – plays many roles including memory and mood
Dopamine – plays a role in reward-motivated behavior
Glycine – participates in the processing of motor and sensory information that permits movement, vision, and audio

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10
Q

consists of regions of condensed DNA, RNA, and proteins that serve to manufacture ribosomal subunits,

A

Nucleolus

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11
Q

What is the site of eukaryotic ribosome synthesis?

A

Nucleolus

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12
Q

Bacterial Diseases

A

◦ Gingivitis
◦ Gonorrhea
◦ Lyme disease
◦ Tuberculosis

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13
Q

Fungal diseases

A

Athletes Foot

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14
Q

Viral diseases

A

◦ AIDS (HIV)
◦ Chicken Pox
◦ Influenza (Influenza virus)
◦ Polio (Poliovirus)
◦ West Nile (West Nile virus)
◦ SARS (SARS virus)

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15
Q

Protozoa Infections

A

Malaria

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16
Q

is the lining of the uterus

A

endometrium

17
Q

The endometrium is a mucous membrane that thickens during the menstrual cycle. Where in the reproductive system would this thickened layer be found?

A

Uterus

18
Q

Which of the following best describes the tertiary structure of a protein?

A

The polypeptide chain folding and interacting with itself through hydrophilic/hydrophobic interactions

19
Q

the event when a gene influences two or more seemingly unrelated phenotypic traits. Autism is an example of ________, and it affects communication efficacy, behavioral issues, and other traits.

A

pleiotropy

20
Q

effect of one gene is dependent on the presence of one or more modifier genes. Pigmentation in mice is an example of ________.

A

epistasis

21
Q

asexual reproduction of an ovum without egg fertilization

A

Parthenogenesis

22
Q

a form of asexual reproduction in which an organism is split into fragments

A

fragmentation

23
Q

the division of a single entity into two or more parts and the regeneration of those parts to separate entities resembling the original.

A

fission

24
Q

form of asexual reproduction in which a new individual develops from some generative anatomical point of the parent organism.

A

Budding

25
Q

The portion of an allele that codes for a protein product is found where in a gene?

A

reading frame

26
Q

The presence of cyanobacteria in the early Earth allowed for the emergence of which of the following?

A

aerobic organisms

27
Q

Cyanbacteria produce

A

oxygen

28
Q

Which molecules are created as a result of the light-dependent reaction of photosynthesis?

A

NADPH, O2