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bioloogy 2SEM > Final Exam > Flashcards

Final Exam Flashcards

0
Q

Complementary bases of DNA

A

Adenine thymine cytosine guanine

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1
Q

Where is DNA found

A

Nucleus

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2
Q

Decribe structure of DNA

A

Sugar+phosphate +nitrogen bases making the leaders

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3
Q

Where does DNA replication occurs ?

A

In the nucleus

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4
Q

What does a semi conservative DNA means?

A

After replication the new DNA is compose of a new strand and KEEPS an old one

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5
Q

What mutation in DNA ?

A

A change in the DNA sequence

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6
Q

What would be the other side of this DNA sequence

ATTCGGCATC

A

TAAGCCGTAG

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7
Q

What are the building blocks of DNA

A

Nucleotides

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8
Q

Why can’t DNA leave the nucleus ?

A

It’s too big

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9
Q

Define transcription

A

Process of creating a complementary RNA copy of DNA

It makes mRNA, rRNA, tRNA and other protein complements

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10
Q

What is the proces of translation?

A

RNA is decoded by the ribosome to produce specific amino acid, that becomes protein

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11
Q

Describe tree toipes of mutation

A
  • addition-adding one or more base pair into DNA secuency
  • deletion-deleting one or more base to a DNA sequence
  • substitution-changing a base pair into a different base pair
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12
Q

Are any mutations beneficial ?

A

Yes. Is the main force of evolution

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13
Q

What cellular proces does cancer take over?

A

Cell division

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14
Q

mRNA sequence of

ACA TAC AAA TGG ATC

A

UGU AUG UUU ACC UAG

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15
Q

Transport amino-acidsto the ribosome ?

A

tRNA

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16
Q

Recombinant DNA

A

DNA that result from the use of laboratory methods to bring genetic material from multiple sources

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17
Q

Restriction enzime

A

Cuts DNA at specific recognition nucleotide

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18
Q

Recognition site

A

Specific base where restriction enzime makes a cut

19
Q

Levels of taxonomy from biggest to smallest

A

Kingdom, phylum, class, order, family, genus, species

20
Q

Name the six kingdoms

A

Eubacteria, archea, protista, fungi, plants, animalia

21
Q

Autotrophs

A

Organism that can capture energy from the sunlight and convert it into chemical energy

22
Q

Reproductive cells of fungi

A

Spores

23
Q

Name bacteria and method of movement

A

Amoeba-pseudopods
Euglena-flagella
Paramecium-cilia

24
Q

Name and shape of bacteria

A

Spirillus-spiral
Coccus-circular
Bacillus-rods

25
Q

4 main characteristics about plant cells

A

Eukaryotic
Vacuoles
Cell wall
Photosynthesis

26
Q

Fame and male parts of the flower

A

Female -ovary

Male-pollen

27
Q

Name of plant that produces seeds in cones

A

Pine (evergreen) tree

28
Q

Part if the flower that develops into a fruit

A

Ovary

29
Q

Term for plant fertilization

A

Pollination

30
Q

Most simplest animal

A

Sponges

Because is asymmetrical and has not organs or tissues

31
Q

Cnidarians use their nematocysts

A

To avoid predation

32
Q

Four facts of flatworms

A

Tape worm
Fission
Bilateral symetry
Absorb nutrients through skin

33
Q

The mantle is use for

A

Make-secrete the shell

34
Q

Define exoskeleton

What animals have it?

A

Outside tough covering

Arthropoda have it

35
Q

Which group of worms have parasites in them?

A

Flatworms
Roundworms
Segmented worms

36
Q

Who evolved first dinosaurs or insects ?

A

Insects

37
Q

Agnatha fish

A

Jawless, cartilage skeleton

38
Q

Chondrichthyes characteristics

A

Jaw, cartilage skeleton.

39
Q

Osteocytes characteristics

A

Jaw, bony skeleton, swim bladder lateral line

40
Q

What allows amphibians to have a double life?

A

Skin needs to be moist for berating

Lungs

41
Q

Characteristic of reptiles

A

Scaly skin, amniotic egg, live on land, lay egg on land

42
Q

Characteristic of mammals

A

Hair-fur, endothermic, mammal glands

43
Q

Unique characteristic of marsupials

A

Young complete development in a paunch

44
Q

Allos reptiles,birds and mammals to survive on land

A

Internal fertilization well developed lungs and partial 4 chamber heart

45
Q

Mutualism

A

2 animals benefit of each other

bioloogy 2SEM (7 decks)

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