Biology Questions and Answers February 11, 2020

If adenines make up 19% of the bases in the sequence of a fragment of single- stranded RNA, what can you tell me about the rest of that RNA fragments base composition?

Imagine you are creating an organism that you are going to use to study the effects of living around undersea hot water vents on metabolism. The organism will inhabit an ecosystem where the average temperature is 400 degrees Fahrenheit. You are going to decide exactly what the sequence of this organism's DNA will be. Would it be better to design

What organ did you choose to draw and what biological process is the organ a part of?

How many eukaryotic cells can fit in 1 mm 3 ? Assume the average volume of a eukaryotic cell is 10 3 m 3 .

100 um A cube with volume 10 um 100 pum 3D In this cube, there are 1000 cubeswith volume 10 um 10 um uni 001

Estimate the percent of the total volume in this cube that is extracellular matrix?

100 um A cube with volume 10 um 100 um In this cube, there are 1000 cubes with volume 10 um 10 um umi 001

How many eukaryotic cells can fit in this 10 6 m 3 cube? Assume the average volume of eukaryotic cell is 10 3 m 3 .

For the cross BB x Bb, what is the expected genotype ratio? What is the expected phenotype ratio?

Your bacteria does not express Gene A. However, you want your bacterial colony to express Gene A so that you can isolate its gene product (Protein A).

If a genetic test reveals a mutation that could harm a blood relative, should the first person's privacy be sacrificed to inform the second person?

The hormone testosterone, binds a receptor protein that recognizes a 15 base pair DNA sequence. Asa result, genes that contain this sequence can be activated by testosterone. Scientists called this hormone, an enhancer and exploited its property to turn genes off or on. What is the important molecular phenomenon or concept connected to milk