CFA NEED 2 KNOW Flashcards

1
Q

What’s Transcription process?

A

Transcription is the process of producing a strand of mRNA from a strand of DNA

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2
Q

What’s Translation process?

A

Translation is the process through which information encoded in messenger RNA (mRNA) directs the addition of amino acids during protein synthesis.

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3
Q

How do we get to DNA to an actual model protein?

A

Transcription & Translation

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4
Q

What’s the location of Transcription occurs?

A

nucleus

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5
Q

What’s DNA role in Transcription?

A

To make a complimentary copy of strand of itself.

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6
Q

What’s mRNA’s role in Transcription?

A

mRNA is to carry the protein information to the cytoplasm.

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7
Q

What’s the location of Translation?

A

Cytoplasm

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8
Q

What is codon and their roles?

A

The codon roles are to code for a specific amino acids to create a protein.

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9
Q

What are anticodons and their role?

A

The anti-codon allows the tRNA to bring the correct amino acids in a line with an mRNA.

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10
Q

What’s mRNA role in translation?

A

Carry protein information
The role of mRNA in translation is to carry protein information from the DNA in a cell’s nucleus to the cell’s cytoplasm.

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11
Q

What’s tRNA role in Translation?

A

carry amino acids to the ribosome and match them with the codons in the mRNA strand.

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12
Q

What’s rRNA role in Translation?

A

rRNA role is to read and match the codons with tRNA anti-codons that codes for the amino acids that create a protein.

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13
Q

What’s the Amino Acids role in Translation?

A

To Code for the Proteins

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14
Q

What does mRNA stand for?

A

Messager RNA

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15
Q

What does tRNA stand for?

A

tranferr RNA

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16
Q

What does rRNA stand for?

A

ribosomes RNA

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17
Q

In a strand of RNA, the A’s will become..

A

U’s

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18
Q

What’s the anticodon from tRNA.

A

The complementary condon

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19
Q

Process of Natural selection

A

The process of who dies and who lives (Survival of the fittest)

20
Q

How do species have mutations are genetic variation?

A

Its random, Organisms have random mutation and genetic variation because of sexual reproduction.

21
Q

Are all mutations and genetic variation good?

A

Some mutations are good, some do nothing, and some are bad (all random)

22
Q

Do species adapt to the environment to change?

A

No, they don’t “adapt” because it’s not optional for them. However, a random mutation by accident.

23
Q

What are environmental factors?

A

Environmental Factors are the factors that determine what traits will survive or die off.

24
Q

Can environment factors change?

A

Yes, environmental factors can change randomly.

25
A specie with genetic variation or without are most likely to survive?
A species with genetic variation is most likely to survive because the different traits might help them survive.
26
What is genetic drift?
Genetic Drift is a change in allele frequencies that is due to random chance.
27
How does genetic drift happens?
It happens randomly
28
Are genetic and Natural selection the same thing?
No, the different between is that natural selection isn't due to a chance its due to better traits surviving.
29
What type of Genetic Drifts are they?
1. Bottleneck Effect 2. Founder Effect
30
What is bottleneck effect of genetic drift?
A population drastically dies out due to something (for a least one generation) some alleles die out some survive, the surviving continues to grow. ALL RANDOM
31
What is founder effect in genetic drift?
small part of population breaks off, moves away, and establish its own population. which alleles that move away its completely random. Which it results in a new population of species
32
What is speciation?
speciation is the process of species becoming a different species or when an organism branches off and becomes another species.
33
What is the reason for genetic drift?
reproductive isolation
34
What are the 3 reproductive isolations?
1. behavioral 2. temporal 3. Habitat
35
What is behavioral in reproduction isolation?
Behavioral reproduction isolation is species not mating because of differences in behaviors
36
What is temporal isolation?
When species don't mate due to differences in timing
37
What is habitat isolation?
When species dont mate due to bring in different habitats
38
What's Endosymbiont Theory?
The organelles in eukaryotic cell used to be their own cell until they were eaten by other prokaryotic.
39
What three reason that prove the theory of endosymbiont is correct.
1. Both have cell membrane 2. Have DNA/genetics 3. asexual reproduction
40
New traits are always caused by ...
Mutation
41
If genes have variation there are two ways for allele frequencies/number (the amount of the trait) to be to decrease or increase
Natural selection (alleles change based on survival) AND genetic drift
42
Alleles in other words are...
43
Mutations just causes the traits (TRUE or FALSE)
TRUE
44
Natural Selection is...
alleles/traits changing based on advantage or disadvantage. This is a selection.
45