Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

ichliebediesetage Group Title

3. Which of the following are necessary for transcription? (1 point) RNA polymerase, DNA, ribonucleotides DNA polymerase, RNA, deoxyribonucleotides RNA polymerase, DNA polymerase, DNA ribosome, tRNA, amino acids

  • one year ago
  • one year ago

  • This Question is Closed
  1. daniceko Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    C

    • one year ago
  2. ichliebediesetage Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Thank you! :)

    • one year ago
  3. ichliebediesetage Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Could you help me with the rest on this quiz? I'd appreciate it! 4. What peptide would you expect to result from a 21-nucleotide-long DNA sequence that contains only the base adenine? (1 point) a peptide composed of 7 phe a peptide composed of 21 phe a peptide composed of 7 lys a peptide composed of 21 lys 5. After a strain of bacterial cells is exposed to a chemical mutagen, 30% of the cells produce new colonies that continue to grow. Which of the following can be concluded? (1 point) Some cells underwent beneficial mutations. Some cells underwent neutral mutations. Some cells underwent lethal mutations. All of the above are correct. 6. A DNA sequence reads -A-C-C-T-G-C-. Which of the following statements is plausible? (1 point) Mutation to -A-C-G-T-G-C- is a neutral mutation. Mutation to -A-A-G-T-G-C- is a frameshift mutation. Mutation to -A-C-C-T-G-T- is an advantageous mutation. Mutation to -A-A-G-T-G-C- is a lethal mutation. 7. Tryptophan is an amino acid that is synthesized via a series of metabolic reactions. The genes for the enzymes involved in tryptophan biosynthesis are encoded in an operon in E. coli, a prokaryote. The operon is regulated by a repressor, which changes its shape when tryptophan binds to it. Which of the following statements explains the action of the repressor? (1 point) When tryptophan levels are high, it binds to the repressor, changing its shape so that it cannot bind to the operator region. When tryptophan levels are low, it binds to the repressor, changing its shape so that it cannot bind to the operator region. When tryptophan levels are high, it binds to the repressor, changing its shape so that it can bind to the operator region. When tryptophan levels are low, it binds to the repressor, changing its shape so that it can bind to the operator region. 8. Mutation of which of the following would result in the least disruption during development of a frog embryo? (1 point) ribosomal protein gene RNA polymerase gene homeotic genes melanin gene 9. Which of the following do all cells in a multicellular organism have in common? (1 point) They all express the same genes. They all have the same proteins. They all have the same mRNA. They all have the same DNA.

    • one year ago
  4. ichliebediesetage Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    I'm trying to quickly get caught up before the end of the semester. I've been behind since I started CA. -.-

    • one year ago
  5. daniceko Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    5 is D 7 is C 8 is B 9 is A

    • one year ago
  6. u71nfu Group Title
    Best Response
    You've already chosen the best response.
    Medals 8

    I just took this test. 1. B 2. C 3. A 4. A 5. C 6. D 7. C 8. D 9. D

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.