Biology questions and answers in June 2021

ARVC5 is a disorder characterized by the replacement of healthy heart tissue with fatty fibrous tissue. Recent research has discovered the mutated gene that causes the disorder is on chromosome 3. Peo...
1.     What is an allergy? Which compound is released at high levels during an allergic reaction? Why is epinephrine given to patients with severe allergic reactions? Name one drawback to epineph...
Q12. Question 12 2 pts Describe one action that humans could take to protect biodiversity, reduce pollution, preserve ecosystems, or otherwise contribute to living sustainably on our planet. Edit View...
Q11. Question 11 3 pts One of the major concerns about toxic pollutants in our environment is bioaccumulation or biomagnification. a.) Define bioaccumulation (or biomagnification). b.) Why should huma...
Q7. P who words Question 7 5 pts Conservation of both natural resources and biodiversity is becoming an increasingly important issue. Summarize the history of conservation in this country: what three ...
Q4. What do the white diamonds represent in the graph below? In other words, what happened at the peaks of the graph? Extinction Rate 500 400 300 700 100 Millions of years ago Edit View Insert Format ...
Q2&3. D Question 2 1 pts If the environment was to change dramatically or a new plant disease was to break out, which plant type on the graph below would have the greatest chance of survival? wild...
Q1. Question 1 3 pts Which is the ideal situation: to have higher genetic diversity, higher ecosystem diversity, or higher species diversity? Or would the ideal situation be something other than I hav...
Use the diagram to answer these questions: 1) this gene is located on chromosome hg38 (true or false?) 2) the primary unprocessed mRNA transcribed from the MYC gene is less than 5,000 nucleotides (tru...
evidence for func. [Questions 17-20] After removal of this H3K27ac region in normal cells. the researchers decide to reintroduce the original sequence back into human cancer cells that had the deletio...
As a way to ensure that the gene sequence yak-1 was successfully inserted in the plasmid, you decide to apply restriction enzymes BamHI and Sall to a sample DNA obtained from several bacterial colonie...
As a way to ensure that the gene sequence yak-1 was successfully Inserted in to the plasmid, you decide to apply restriction enzymes BamHI and Sall to sample DNA obtained from several bacterial coloni...
Based on the plasmid map below, how many bands on a DNA gel would be observed if this plasmid is treated with restriction enzyme EcoRI before electrophoresis? Pro Hindill 100 800 BamHI Yak-1 Yak-1= 10...
The plasmid depicted in the map below was designed for the generation of the enzyme encoded in the gene yak-1. Which restriction enzyme(s) was/were used to cut the plasmid in order to insert yak- 1 ge...
You are entrusted on carry out a genotyping analysis, where you will use primers designed to detect the presence of the gene_mullis_ on sample DNA from the tails of mice. You use the following ingredi...
You are tracking the development of a single nucleotide polymorphisms (SNP) on a mammalian cell line by isolating a sample DNA every time this cells divides. Since you know that a SNP can be derived f...
Many organisms managed to evolve great complexity of traits despite of small genomes. Which of the following IS NOT an example of mechanisms that generate vanation across genomes. O DNA Methylation Ch...
Eukaryotic chromosomes are HUGHE, compared to the one circular chromosome in prokaryotes. To ensure that the process of DNA replication of a single chromosome, eukaryotes have multiple origin of repli...
1.Beginning with our Moral Reasoning in Bioethics unit of readings, we have been discussing how the law does not always overlap with ethics. Explain in paragraph one example of a situation where an ac...