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Reaper534 Group Title

Which of the following is caused by a germ cell mutation? A. Asbestos disease B. Common cold C. Down Syndrome D. Formalydehyde poisoning

  • one year ago
  • one year ago

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  1. Reaper534 Group Title
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    @Opcode

    • one year ago
  2. Opcode Group Title
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    I'm not sure. I think its B tho. Because the common cold can be caught more than once, this is because of mutation.

    • one year ago
  3. Reaper534 Group Title
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    Which statement is true about a solution that has a pH of 3? A. It is abnormal. B. It is acidic. C. It is alkaline. D. It is neutral.

    • one year ago
  4. Opcode Group Title
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    Look at the scale. If something has the pH of 3 it's more acidic. :3

    • one year ago
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  5. Reaper534 Group Title
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    What is a chain of nucleotides joined together by hydrogen bonds between the phosphate group of one nucleotide and the deoxyribose sugar of another nucleotide? A. DNA B. RNA C. A helix D. Nucleotide bonds on tht uther one i put neutial XD

    • one year ago
  6. Opcode Group Title
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    Isn't that DNA [Deoxyribonucleotide]?

    • one year ago
  7. Reaper534 Group Title
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    i put helix and got it wrong bt mabey

    • one year ago
  8. Reaper534 Group Title
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    Environmental and lifestyle factors contribute to somatic mutations. Which of the following is a lifestyle factor? A. Contaminated water B. Lead paint C. Nuclear radiation D. Smoking tobacco i didnt even know this one @ all

    • one year ago
  9. Opcode Group Title
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    @Reaper534 I'm not sure either I think its Nuclear radiation tho. (@InYourHead when you get on what do you think it is?)

    • one year ago
  10. Reaper534 Group Title
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    @InYourHead

    • one year ago
  11. Reaper534 Group Title
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    i got my last 3 and im done for this one

    • one year ago
  12. Reaper534 Group Title
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    A network of canals that is covered with ribosomes is called ___________. A. the cell membrane B. the Golgi Apparatus C. rough endoplasmic reticulum D. smooth endoplasmic reticulum

    • one year ago
  13. Opcode Group Title
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    Oh! I know this is something to do with the endoplasmic reticulum. I'm just not sure which one :O "Endoplasmc reticulum forms ribosomes which form protein and send them to golgi apparatus which packs them and sends them out of the cell." So your answer is B. the Golgi Apparatus

    • one year ago
  14. Reaper534 Group Title
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    If the nucleotide sequence of a strand of complementary DNA is GTAA, what is the nucleotide sequence on the parent strand of DNA? A. ACTT B. CATT C. TCGG D. TGCC

    • one year ago
  15. Opcode Group Title
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    Oh I hate these types of questions -.- Sorry I don't know :|

    • one year ago
  16. Reaper534 Group Title
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    lol ikr

    • one year ago
  17. Reaper534 Group Title
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    well thts it thx

    • one year ago
  18. Opcode Group Title
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    I'll leave that question to @InYourHead ....

    • one year ago
  19. Reaper534 Group Title
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    lol ok

    • one year ago
  20. InYourHead Group Title
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    1. Which of the following is caused by a germ cell mutation? "Germ cells" are cells that eventually become sex cells. So, a "germ cell mutation" is what we call a birth defect. Do you know what Down Syndrome is? It's a genetic birth defect. And it happens when someone has an extra chromosome, in chromosome pair #21. ~~~~~~~~~~~~~~~~ 2. Environmental and lifestyle factors contribute to somatic mutations. Which of the following is a lifestyle factor? "Lifestyle factors" are the ways that people choose to live their lives. Take a look at D - smoking tobacco. That's cigarette smoking, which is a lifestyle factor. It's something that we deliberately choose to do, with our bodies. And it affects our health. ~~~~~~~~~~~~~~~ 3. A network of canals that is covered with ribosomes is called ___________. Take a look at this picture: http://diseasespictures.com/wp-content/uploads/2012/07/Endoplasmic-Reticulum.jpg It's a picture of the Rough Endoplasmic Reticulum. See how it's covered in ribosomes? That's the one that the question is asking about. The Golgi Apparatus does package the ribosomes, but it is not the organelle that is actually COVERED IN ribosomes. ~~~~~~~~~~~~~~~~~~~~~ 4. If the nucleotide sequence of a strand of complementary DNA is GTAA, what is the nucleotide sequence on the parent strand of DNA? This is how base pairs of DNA match up: A goes with T G goes with C Now, let's take a look at our DNA strand: G T A A That means that the complimentary strand would be... C A T T You see? Once again... Original DNA: G T A A Complementary DNA: C A T T See how the letters match up? A goes with T G goes with C

    • one year ago
  21. Reaper534 Group Title
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    thx man

    • one year ago
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