Questions tagged [homework]
This tag indicates that the question is likely based on a home assignment in biology-related university or high school courses or is about an elementary concept that may seem trivial to biology professionals. Please see the homework policy on meta before asking homework questions.
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Who are humans' closest relatives, after primates?
This question here addresses the controversy of whether humans are more closely related to bonobos or chimps.
My question is - which group of animals are are closest relatives, beyond primates? Or ...
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Deciding between chi square and t test
I am always so confused whether to do a chi square test or a t test in the sums given by my biostats teacher. Does anyone have a simple rule to decide this?
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Solving Hardy Weinberg problems
I really fail to understand Hardy-Weinberg equilibrium and can't find an easy enough source of information.
Can you help me to understand Hardy-Weinberg equilibrium?
My goal is to be able to solve ...
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What is the optimal frame size for protein secondary structure prediction methods?
The whole question is
What is the optimal frame size for the second and third generation protein secondary structure prediction methods? Justify your answer.
I remember it has something to do with ...
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Which type of test tube should not be used for blood collection?
The following question is presented in my biology textbook:
You are required to draw blood from patient and keep it in a test tube for analysis of blood corpuscles and plasma. You are provided with ...
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When does BLAST fail to align 2 DNA sequences?
This is an assignment that had confused me for a long time. So I think you guys who study computational biology might be interested. The original question is:
Find the two most similar DNA ...
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Why aren't 'exons' named 'introns'?
Why are introns called 'introns' when they are the actual ones who are getting spliced out from the pre-mRNA. Shouldn't exons be named introns as they are the ones that are 'in' and are not 'exiting'? ...
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Does Human Female Meiosis II occur after fertilization with sperm?
I am reading the answer and I am getting confused by the sentence:
At the end of meiosis I females have two daughter cells and meiosis II
only occurs if and when fertilization occurs by a sperm ...
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Finding DNA from Amino Acid sequence problem
My attempt: First I took the single letter AA codes and made them amino acids. So, the first one is Trp which is 5'-UGG-3'. From this I got the DNA sequence 3'-CCA-5'. However, the correct answer (...
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What factors affect the rate of transpiration in plant leaves?
I'm trying to get my head around factors which affect transpiration in leaves.
For example, how would applying petroleum jelly to the surface of plant leaves affect their rate of transpiration?
I ...
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Why does the olive tree produce a bitter tasting fruit?
What is the survival value for the olive tree to produce a bitter tasting fruit, even when it is ripened?
I realize some fruits and berries are species specific, i.e., meant for specific animals to ...
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Why were there relatively fewer papers about cell fusion before the 1950s?
While working on my cell fusion technology report, I saw PubMed's cell fusion graph of results by year. There have been studies or research since the early 1900s, but until the 1950s, there were no ...
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What are the advantages and disadvantages of using beta-galactosidase compared to luciferase as a reporter gene?
In the University labs, we have used Beta-galactosidase as a reporter gene to quantify the expression initiated by the stress-response promoter in yeast. This was done by exposing one of the two ...
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Pedigree Probability of Autosomal Recessive Trait
Here is a pedigree:
The trait is autosomal recessive.
The question is: What is the probability that the bottom 2 people (4 and 5) have a child with the trait?
I tried doing ...
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HIV and effectiveness of inhibitor cocktail over single inhibitor
I'm looking for clarification on the answer to this question. It's in my biochemistry class but I figured this is more Biology than Chemistry, so I'm asking it here.
The question is:
One of the ...
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