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If cells are as old as the organism
Question 8 options:
|
|
the cells are devoid of telomerase |
|
|
the cells have no replicative function |
|
|
the cells do not divide |
|
|
longevity genes are present |
Step by step
Solved in 2 steps
- Which of these describes the function of RNA polymerase? Question 3 options: a) Amplifies the "message" by making multiple copies of an mRNA molecule after it has been transcribed from DNA b) Transcribes DNA to RNA by catalyzing (forming) the bonds between RNA nucleotides c) Translates DNA into proteins d) Converts a protein sequence to RNAGenes are tightly packed in a structure of DNA and histones, known as nucleosomes, that form what structure? Question 28 options: Catalytic unit Chromatin Chromosome ChromataseMatch the mutation with the appropriate term. Answers may be used more than once or not at all Arises from point mutation Answer 1 Transcription Factor Answer 2 Results in protein that cannot be inactivated Answer 3 Arises from chromosomal translocation Answer 4 Arises from gene amplification Answer 5 Fusion Protein
- Four genes were pushed into skin cells to turn them into _____. Group of answer choices: induced pluripotent stem cells induced impotent stem cells induced totipotent stem cellsGive typing answer with explanation and conclusion True or False 1. DNA regulates Gene Expression 2. RNA regulates Gene expression 3. During translation mRNA and tRNA drive translation of codons into amino acids. 4. DNA is synthesized in only one direction 5. Telomerase extends un-replicated strandthis is a molecular cell biology question
- Compare and contrast DNA replication with gene expression/protein synthesis. Include three similarities and three differences in your answer. Be detailed in your answer.When DNA is overwound, it produces __________ supercoils to relieve tension. Question 5 options: Positive Triple-stranded Negative NickedChoose one answer. It is currently estimated that the human proteome contains _____ proteins. a. 20,000 b. 2000 c. 500 d. 200,000
- Human embryonic stem cells are thought to have the potential to provide new treatments for many human diseases Group of answer choices False TrueTrue of False 9) Gels are read from left to right. Answer: 10) Functional segments of genes (introns) code for proteins, molecules that carry out most cellular functions. Answer: 11) The human genome contains small, repetitive DNA elements that have become randomly inserted into it over millions of years. Answer:An individual has a mutation in the gene that codes for the pigment melanin that results in white skin and hair. Choose the correct explanation for how this mutation affects this individual's traits. Question 11 options: The error in the DNA sequence results in an error in the mRNA molecule during transcription, the error in the mRNA molecule results in an incorrect amino acid in the melanin protein which makes it non-functional. The resulting trait is hair and skin without color. The error in the mRNA sequence results in an error in the DNA molecule during transcription, the error in the DNA molecule results in an incorrect nucleic acid in the melanin protein which makes it non-functional. The resulting trait is hair and skin without color. The error in the DNA sequence results in an error in the mRNA molecule during transcription, the error in the mRNA molecule results in an incorrect nucleic acid in the melanin protein…
