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Molecular Biology
Page 8
Questions (978)
Why is DNA not soluble in ethanol, on a molecular level?
1 answer
asked by
LC
316 views
The main function of tRNA is to
a. carry a message that, when translated, forms proteins b. form a protein of ribosomes, a
3 answers
asked anonymously
41 views
Five ul of a 10 to 1 dilution sample was added to 3ml of Bradford reagent. The absorbable reading was 0.68. According to the
3 answers
asked by
Nadia
42 views
What is a gene
1: a large molecule that performs a specific function 2: a structure that contains many chromosomes 3: eight point
3 answers
asked by
Pinners2win
76 views
the removal of sections of RNA, called introns, occur at which regulation step in eukaryotic cells? A. chromatin remodeling B.
12 answers
asked by
confusion manual
81 views
List 4 different ways in which the function of hemoglobin could be changed by a single amino acid substitution.
and i cant think
1 answer
asked by
Jonny
349 views
why is DNA semi-conservative?
does it have something to do with two new strands are formed using the two molecules from the
3 answers
asked by
sam
733 views
Where in the cell does DNA become RNA?
Which larger a chromosome or a nucleotide. Which is larger, a chromosome or a nucleus?
3 answers
asked by
katie
479 views
DNA codes for mRNA, which is then translated into polypeptides,which are strands of amino acids. The DNA sequence below codes
1 answer
asked by
stacey
863 views
i have some notes but before christmas break was here i had surgery so i didn't get to finish my notes in class and i don't
2 answers
asked by
alex
668 views
what direction along a DNA strand does DNA polymerase add base pairs
1 answer
asked by
kelly
423 views
When does DNA synthesis occur?
What is meant by leading and lagging strands?
2 answers
asked by
kelly
466 views
I have not been able to find any more in depth websites/answers for this question. DNA is considered to be a relatively stable
3 answers
asked by
Me-ki
412 views
1. Assume that a particular microorganism has 50 distinct t-rna molecules, and that it has 100 copies of each type of t-rna.
1 answer
asked by
mae
467 views
Describe the effect on a protein if one or more amino acids are changed.
Cite a specific example.
1 answer
asked anonymously
30 views
I have been given a DNA nucleotide sequence and have established the equivalent mRNA sequence.I have then been given 2 mutations
1 answer
asked by
Hol
596 views
Do transfer RNA have a poly A site?
I know it is a anticodon area but I am not sure if this designates it as a poly A site. Thank
1 answer
asked by
Anne
361 views
Can anyone comment on my working out for the following question.
position - - 1 2 3 4 5 6 7 8 9 - Nucleotide - - T A C T C G G A
1 answer
asked by
Freddo
981 views
when subcloning a gene and inserting it into a vector you normally would use x-gal to locate transformants if x-gal is not
1 answer
asked by
steph
424 views
One group of three nitrogen bases codes for one ______
Is there a context in which this is used?
1 answer
asked by
Reilly
702 views
How do purines compare to pyrimidines?
http://en.wikipedia.org/wiki/Pyrimidine http://en.wikipedia.org/wiki/Purine
1 answer
asked by
How do purines compare to pyrimidines?
499 views
What role does tRNA play in the translation process?(1 point)
Responses tRNA carries amino acids to the ribosome and helps form
1 answer
asked anonymously
42 views
The amino acid serine is coded by the mRNA codon AGU. What is the base sequence of the DNA gene that originally produced this
1 answer
asked anonymously
52 views
Scientists use polymerase chain reaction (PCR)
to amplify a segment of DNA into many copies. to insert new nucleotide segments
1 answer
asked by
Tori Renee
1,320 views
During electrophoresis, protons
move in the same direction as DNA. do not move at all. move in the opposite direction as DNA.
1 answer
asked by
Kellie Jo
564 views
What is the uses a ribosome?
wouldn't it be to feed the copy of DNA and to make proteins out of amino acids. What is an amino
1 answer
asked by
Sydney
555 views
Which of the following demonstrates the central dogma of molecular biologists?
Gene expression in the live on environmental
1 answer
asked anonymously
98 views
The removal of sections of RNA called introns occur at which regulation step in eukaryotic cells?
mRNA lifespan Chromatin
1 answer
asked anonymously
106 views
The number _____ and _____ sign are assigned to the first nucleotide of a transcriptional unit.
a. 0, positive b. 1, negative c.
1 answer
asked by
Sarah
1,038 views
For membrane-associated proteins, the consensus sequence _______ is found on the inchoate (new) polypeptide and ______ to halt.
a
1 answer
asked by
Sarah
470 views
Enhancers and promoters are ______. In contrast, the heterodimer "TFIIA and TFIIB" are examples of __________.
a. trans-acting
1 answer
asked by
Sarah
494 views
The _______ - subunit of most heterotrimeric G-proteins binds the guanine nucleotides and acts as a _________.
a. beta, ATPase b.
1 answer
asked by
Ron
538 views
1.The________particle halts the translation of the mRNA to a polypeptide before checking to the ER
a. singal recognition,
1 answer
asked by
Ron
523 views
The binding of alanine to tRNAala is mediated by the enzyme......
a. aminoacyle-tRAN SYNTHSE b. amino-tRAN SYNTHSE c.
1 answer
asked by
Ron
451 views
For membrane-associated proteins, the consensus sequence _______ is found on the inchoate (new) polypeptide and ______ to halt.
a
1 answer
asked by
Josh
491 views
Enhancers and promoters are ______. In contrast, the heterodimer "TFIIA and TFIIB" are examples of __________.
a. trans-acting
1 answer
asked by
Josh
468 views
The mRNA sequence of nucleotides for gene "Y" has been determined to be AGCCAUGCCCGCGAGGUAGAAA. You have decided to mutate the
1 answer
asked by
Shamaev
607 views
The removal of sections of RNA,
called introns, occur at which regulation step in eukaryotic cells? (1 point) post-translation
1 answer
asked anonymously
52 views
A)
Choose the bases that would form the codon that represents the amino acid Methionine (Met). (1 point) U C A G First Base
1 answer
asked by
Killer999
164 views
outline principles that underlie the methods used in the manipulation and characterisation of DNA
There are books devoted to
2 answers
asked by
m
547 views
The removal of sections of RNA, called introns, occur at which regulation step in eukaryotic cells?(1 point) Responses
1 answer
asked anonymously
97 views
What role does tRNA play in the translation process?(1 point) Responses tRNA carries amino acids to the ribosome and helps form
1 answer
asked anonymously
50 views
Stella described protein synthesis as a process that makes the necessary proteins for the human body to function. She explained
1 answer
asked anonymously
76 views
Which of the following demonstrates the central dogma of molecular biologists?(1 point)
Responses DNA and RNA hold the code to
1 answer
asked anonymously
116 views
Choose the bases that would form the codon that represents the amino acid Methionine
(Met).
1 answer
asked by
ShArZoD 👁️👄👁️
69 views
Which of the following demonstrates the central dogma of molecular biologists?(1 point)
Responses DNA and RNA mutate into either
1 answer
asked by
17 lessons behind
48 views
The removal of sections of RNA, called introns, occur at which regulation step in eukaryotic cells
1 answer
asked anonymously
131 views
Your lab partner is attempting to explain the model above in her lab report. She asks you to proofread her explanation. Examine
1 answer
asked by
User_Noname
44 views
The central dogma of molecular biology describes the two-step process, transcription and translation, by which the information
1 answer
asked by
User_Noname
99 views
The central dogma of molecular biology is centered upon the process of _________, in which the information from DNA is
1 answer
asked by
User_Noname
68 views
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