Heredity B/Designer Genes C

amk578
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Re: Heredity B/Designer Genes C

Post by amk578 » January 23rd, 2019, 1:47 pm

platypusomelette wrote:
amk578 wrote:
1. A nucleosome has how many histone proteins?
2. Due to its shape, mitochondrial DNA resembles [eurkaryotic or prokaryotic] DNA?
3. What is the correct strand of base pairs corresponding to 5' AATGCAGGA 3' following replication?
4. In which parts of the cell do replication, transcription, and translation occur?
5. What was Phoebus Levene's contribution towards the discovery of the DNA molecule?
1. 8?
2. prokaryotic
3. TTACGTCCT
4. replication is in the nucleus, transcription is also in the nucleus, translation is in the ribosome
5. dunno
1. Correct
2. Correct
3. Correct
4. Correct
5. Levene found that the DNA molecule is made of three main things (the four bases, sugar, and phosphate)
Your turn!
2018 - Anatomy, Crime Busters, & Road Scholar
2019 - Anatomy, Disease Detectives, Heredity, & Road Scholar
2020 - Anatomy, Designer Genes, Disease Detectives, Forensics, Ping Pong Parachute, & Protein Modeling

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Re: Heredity B/Designer Genes C

Post by platypusomelette » January 28th, 2019, 4:07 pm

amk578 wrote: Your turn!
1. Insects use the X0 chromosome system, where XX = female and X = male. Eggs will always have one X chromosome. Which gamete determines the sex of the zygote?
2. What are the five basic chromosome mutations? What happens in each?
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herp: reg 6th
genes: reg 5th
protein: reg 2nd
disease: reg 15th
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2017: a&p 3rd, herp 14th
2018: a&p 1st, microbe 8th, herp 13th :/
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Re: Heredity B/Designer Genes C

Post by jxxu20 » January 29th, 2019, 1:58 pm

1. The sperm cell of the male determines the gender (it either has -- or does not have -- two Xs, thus determining whether the offspring is male or female).

2. (Not sure about this one):
    a. Deletion -- when a gene gets deleted from a chromosome
    b. Duplication -- when a gene has an extra copy on a chromosome
    c. Insertion -- when the number of DNA bases in a gene changes because a piece of DNA is added
    d. Inversion -- when the order of genes on a chromosome changes
    e. Translocation -- when a gene is transferred from one chromosome to another
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Re: Heredity B/Designer Genes C

Post by platypusomelette » February 3rd, 2019, 6:20 pm

jxxu20 wrote:
1. The sperm cell of the male determines the gender (it either has -- or does not have -- two Xs, thus determining whether the offspring is male or female).

2. (Not sure about this one):
    a. Deletion -- when a gene gets deleted from a chromosome
    b. Duplication -- when a gene has an extra copy on a chromosome
    c. Insertion -- when the number of DNA bases in a gene changes because a piece of DNA is added
    d. Inversion -- when the order of genes on a chromosome changes
    e. Translocation -- when a gene is transferred from one chromosome to another
Correct, your turn
island trash trees hs
anat: reg 4th
herp: reg 6th
genes: reg 5th
protein: reg 2nd
disease: reg 15th
fossils: reg 4th
2016: a&p 1st, fossils 3rd
2017: a&p 3rd, herp 14th
2018: a&p 1st, microbe 8th, herp 13th :/
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Re: Heredity B/Designer Genes C

Post by platypusomelette » February 12th, 2019, 11:29 am

Aight i guess im gonna ask some questions
1. For initiation of transcription to occur, assistant proteins need to bind to RNA polymerase for it to attach to the promoter. What are these protein/s called in prokaryotes and eukaryotes respectively?
2. Polymerase makes ______ supercoils behind it and _______ supercoils ahead of it.
3. Describe the difference in transcription termination between prokaryotes and eukaryotes.
4. Describe how lncRNAs are involved in X chromosome inactivation.
5. How is catabolite activator protein / CAP involved in operon regulation?
island trash trees hs
anat: reg 4th
herp: reg 6th
genes: reg 5th
protein: reg 2nd
disease: reg 15th
fossils: reg 4th
2016: a&p 1st, fossils 3rd
2017: a&p 3rd, herp 14th
2018: a&p 1st, microbe 8th, herp 13th :/
HELL YEA WE MADE STATES

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Re: Heredity B/Designer Genes C

Post by Andromeda215 » February 15th, 2019, 4:52 pm

1. ? Prokaryotes: activator; Eukaryotes: Mediator protein
2. positive, negative? 
3. Prokaryotes: only 1 RNApol exists, so termination method doesn't depend on the RNApol used (unlike eukaryotes)
Eukaryotes: depends on RNApol used (I, II, or III)
4. the XIST region in the X chromosome codes for lncRNA that covers that chromosome, which inactivates it
5. increases interactions between transcription factors and RNA polymerase
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Re: Heredity B/Designer Genes C

Post by platypusomelette » February 25th, 2019, 8:05 am

1. For prokaryotes it's sigma factor, for eukaryotes it also includes "general transcription factors" but mediator is a good answer too
2. Correct
3. For prokaryotes the terminator creates a hairpin loop and the polymerase pops off. For eukaryotes the poly-A signal is read and makes a poly-A tail, and then the mRNA is cut off
4. Correct
5. Correct
Nice job, your turn
island trash trees hs
anat: reg 4th
herp: reg 6th
genes: reg 5th
protein: reg 2nd
disease: reg 15th
fossils: reg 4th
2016: a&p 1st, fossils 3rd
2017: a&p 3rd, herp 14th
2018: a&p 1st, microbe 8th, herp 13th :/
HELL YEA WE MADE STATES

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Re: Heredity B/Designer Genes C

Post by platypusomelette » March 8th, 2019, 5:01 am

Bump?
island trash trees hs
anat: reg 4th
herp: reg 6th
genes: reg 5th
protein: reg 2nd
disease: reg 15th
fossils: reg 4th
2016: a&p 1st, fossils 3rd
2017: a&p 3rd, herp 14th
2018: a&p 1st, microbe 8th, herp 13th :/
HELL YEA WE MADE STATES

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Re: Heredity B/Designer Genes C

Post by platypusomelette » March 13th, 2019, 8:06 am

Ok i'll ask more questions

1. If a mutation occurs in the gene coding for catabolite activator protein (CAP), what consequences could occur for the genes that it regulates?
2. What are the three polymerases in eukaryotes and what part of replication does each do?
3. The 5' cap is a modified _________
4. A gene responsible for metabolizing sucrose is most likely a repressible or inducible operon?
5. What is the purpose of a sliding clamp in DNA replication?
island trash trees hs
anat: reg 4th
herp: reg 6th
genes: reg 5th
protein: reg 2nd
disease: reg 15th
fossils: reg 4th
2016: a&p 1st, fossils 3rd
2017: a&p 3rd, herp 14th
2018: a&p 1st, microbe 8th, herp 13th :/
HELL YEA WE MADE STATES

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Re: Heredity B/Designer Genes C

Post by farmerjoe279 » March 20th, 2019, 9:16 am

platypusomelette wrote:Ok i'll ask more questions

1. If a mutation occurs in the gene coding for catabolite activator protein (CAP), what consequences could occur for the genes that it regulates?
2. What are the three polymerases in eukaryotes and what part of replication does each do?
3. The 5' cap is a modified _________
4. A gene responsible for metabolizing sucrose is most likely a repressible or inducible operon?
5. What is the purpose of a sliding clamp in DNA replication?
Answer to 2 and 3: 2: dna polymerase 1 (converting primers to dna), dna polymerase iii (dna synthesis), rna polymerase ii (mRNA synthesis) 3. guanine
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