The Blueprint Of Life from DNA To Protein Flashcards

1
Q

What is genetics

A

The study of heredity

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2
Q

What is molecular biology?

A

the science dealing with DNA and protein synthesis and how their
function tells the cell when to complete certain task

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3
Q

What is genome

A

The sum of all DNA in the cell

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4
Q

What is a chromosome

A

The biggest and most important piece of your cells, the primary piece of DNA essential for the bacteria

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5
Q

How can plamysid

A

coding anti microbial help the bacteria live under certain circumstance

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6
Q

chromosome

A

is the instruction that tells the cell contains also intersection to make protein and other products

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7
Q

What is genes

A

Selction of DNA that code for a functional product

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8
Q

What is DNA

A

Has 4 nitrogenous bags ACTG
sugar base deixoyrbose

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9
Q

What happens when we have organic bases

A

will number it fro 1’ to 5’

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10
Q

In DNA what does T goes with

A

A

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11
Q

In DnA what does C goes with

A

G

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12
Q

How are the DNA strands running to eachother

A

Antiparelle

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13
Q

Why is it running antiparelle

A

Its the only way the can fit properly

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14
Q

Here the sequence of one strand
determine its complementary strand :

5’-AATTCCGG-3’

A

3’-TTAAGGCC-5’

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15
Q

What is the 5’ reference to

A

Phosphate

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16
Q

what is the 3’ reference to

A

hydroxyl

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17
Q

How does the DNA strand gets hold up together ?

A

Hydrogen bonds with A-T bases having two hydrogen bonds between them and G-C having three hydrogen bond

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18
Q

What is the term phosphosdiester bond

A

Its where the nucleotides are linked

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19
Q

In which direction are protein translated

A

from 5’ - 3’

20
Q

What is DNA replication

A

when you have one cell when it wants to become two cells it will have to copy its DNA which is termed DNA replication

21
Q

What is gene expression

A

Its a process where we use DNA to make proteins from transcription/ translation gene expression

22
Q

Horionztal mouvement of DNA refers to what

A

sex pillies, how they can move DNA plasmids from one cell to another, or we can have DNA recombining with itself

23
Q

What is DNA replication and which process is it and how does it work

A

first process Mechnaism from which the cell is going to copy its DNA out between cell, we take our Long piece of DNA and pull it apart to generate a piece of single stranded DNA

24
Q

which molecule will make a replamcent of the second strand for DNA

A

DNA polymerase and it will do that to make a complementartity new strand

25
What are replication forks
the site of DNA production and it is based upon the complementary synthesis strand
26
What is primer
short piece of RNA that's introduce by the enzyme primase short complementary note (not made of DNA into;;y )
27
What will the DNA do in relation to the primer
DNA will grab on the the primase and extend and will start seeing that complementary synthesis
28
What happens when the primase stage is over
Will have separate enzyme that will come in and remove that piece of RNA and use Ligase which is enzyme that seals everything together
29
What is a Okazaki fragment
the gap between the primer
30
What is gene expression
is the conversion of genetic material into functional material
31
What is transcription
comping dna strand into piece of RNA
32
Translation
When RNA is decoded to make protein
33
The following DNA strand into RNA 5' - AATTCCGG-3'
mRna3'- UUAAGGCC-5'
34
In RNA what base pairs with A
Uricle
35
What is the messenger RNA
carries information for the instruction of the cell for a specific protein
36
what is the ribosome RNAN
forms parts of the ribosome
37
tRNA
transfer specific amino acids
38
How does transcription work ?
RNA polymerase binds to the gene at specific site called the promote melt it creat a little bubble of opened DNAof single stranded DNA and start synthesizing RNA nly one DNA strand is copied – the template * The template is read in the 3' → 5' direction so that RNA can be made in the 5' → 3' direction. anti parole
39
What is elongation
2. Elongation * RNA polymerase moves along the template synthesizing new RNA * Allows the DNA to rewind behind it
40
what is Termination
Termination * When RNA polymerase encounters the terminator (end of the gene) it falls off the template and releases the newly synthesized RNA.
41
What must the information form MRNA do
Information in mRNA must be translated to make proteins
42
What is the nucleotide triplet
Organized into sets of 3 nucleotides – codons * Each codon specifies an amino acid to be added during protein synthesis * ex. GGC specifies the amino acid glycine
43
What are the stop coding
UAA, UAG, UGA
44
intuition for the formation of a codon
1. Initiation * A ribosome assembles on the mRNA * a tRNA carrying the amino acid formyl- methionine enters the P site (peptidyl) specified by the codon in the A site (aminoacyl) * The ribosome joins the amino acids together by a peptide bond.
45
What is the step of elongation
ribosome moves a distance of one codon down the mRNA Forms a polypeptide * Elongation continues until a “stop codon” is reached.
46
What is termination
When a stop codon enters the A site, the ribosome disassembles and releases the polypeptide