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Biology 18 Online
OpenStudy (anonymous):

For this assignment, you will write an essay describing the production of protein molecules through transcription and translation. Your essay should include discussions of the following: DNA mRNA RNA polymerase base pairing transcription translation tRNA rRNA ribosomes amino acids protein

OpenStudy (anonymous):

I need help with it is it so weird, i have not seen something like this since I started Bio

OpenStudy (january123):

i gave u the link where the answers are other people in os have asked this and in the link it might help u it may explain it for u

OpenStudy (anonymous):

Thank you that did help...

OpenStudy (january123):

Ha no problem can u give me a medal? ----------------------------------^

OpenStudy (anonymous):

Just did... Can you help me with another one...

OpenStudy (january123):

sure i guess

OpenStudy (anonymous):

Many different factors contribute to cancer, including some genetic factors. BRCA1 and BRCA2 (breast cancer susceptibility genes 1 and 2) are human genes belonging to a class of genes called tumor suppressors. In normal cells, these genes help ensure the stability of the DNA and help prevent uncontrolled cell growth. However, some BRCA1 and BRCA2 mutations have been linked to hereditary breast and ovarian cancers. Women and men both have an increased risk of developing breast cancer if they inherit a BRCA1 or BRCA2 gene with a harmful mutation. Inheriting these mutations may put a person at increased risk of other cancers as well.

OpenStudy (anonymous):

Describe how mutations lead to genetic variations. Which appears to be more dangerous: the BRC1 or BRC2 mutation? Analyze a woman’s risk of dying of cancer if she carries a mutated BRC1 gene. How do heredity and inheritance relate to the data presented in these charts? What data would you need to see in order to draw conclusions about the effectiveness of preventive surgeries? What does the age at diagnosis tell you about the mutation? Explain how breast-cancer genes are still present in the population, despite cancer-related surgeries and deaths.

OpenStudy (january123):

Um...i have no idea

OpenStudy (january123):

sorry

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