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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Can phenotype change without change in genotype?
If a person with lighter skin is to live in areas close to the equator for a long amount of time, their skin would get darker, and hence their phenotype gets 'altered'.
If I'm to look at their gene ...
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Flow of left ventricle into the aorta
I am currently practising for an exam and am having trouble understanding one of the exam questions:
The table gives the blood flow rate in various parts of the fetal circulation.
Flow rate in mL min-...
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Probability of an $AABbCC$ offspring given the cross $AaBbCc\times AaBbCc$, is my solution correct?
So I have been working through the drills in the 26th edition of AP Biology Prep by The Princeton Review for fun when I came across this question in the Chapter 12 drill that I'm not really sure about ...
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Evolution of Anoles
For context, I am currently looking at this virtual lab of Lizard Evolution by HHMI biointeractive.
Trunk anoles from an island called Iron Cay were placed in a few experimental islands filled with ...
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Calculation of blood flow rate and pressure change in heart
Question: Blood flows from the left ventricle of the heart through the aortic valve and then to the aorta for system circulation. In a patient, the diameter of left ventricle outflow tract (LVOT) is ...
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Competitive inhibition - Similarity between substrate and inhibitor
I have this question -
Q. Competitive inhibitor which binds to the enzyme (a) has structural similarity with the product (b) is chemically similar to the substrate (c) has physical structure similar ...
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Is kranz anatomy not a defining feature of $C_4$ plant?
In NCERT Class 11 chapter 13 it is written that
The particularly large cells around the vascular bundles of the C4 plants are called bundle sheath cells, and the leaves which have such anatomy are ...
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Looking for literature that gives a systematic presentation of geometric and topological features of trees
Introduction
I am a software engineer specializing in procedural generation of 3D models, and currently I'm building a generator for 3D models of trees, founded on the theoretical work of Aristid ...
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What really is an allele?
My textbook says:
genes which code for a pair of contrasting traits are known as alleles.
Then that means T and t are alleles. Further, it says:
Mendel also proposed that in a true breeding, tall ...
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Identification of cells containing the gene of interest at a double strand break instead of undergoing recombination
If I tried to knock in a gene for example KANMX and want to swap it with say some gene "x", but, since, there can be double strand break in the DNA and KANMX may get inserted within the ds ...
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Genetics question on recombination frequency
A space probe discovers a planet inhabited by creatures that reproduce with
the same hereditary patterns seen in humans. The phenotypic characters are
height (T=tall, t=dwarf), head antennae (A-...
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Why would it be impossible for gram-positive bacteria to store sulfur as gram-negative sulfur-oxidizing chemolithotrophs can?
I have a question that I am not sure what is the correct answer on <<Brock's Biology of Microorganisms>>
When the book introduces "Cell Inclusions", there was a mini-quiz that ...
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Inferring mother's allele probability based on father and children
I am currently in the process of analyzing our family's genome. I do have access to his, mine and our father's genome, but not to our mother's (deceased). I was wondering how I could combine our 3 ...
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Nitrate fertilizer problem
Take the above problem. I understand how to do the calculation. However I can't seem to understand the units of the answer in the calculation.
The answers illustrate the units as t/ha^-2 which is ...
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Herbicide resistant crop plants
Consider the above multiple choice question. I can't seem to understand why the answer is B. How does genetically modifying the crop plant have any effect on the weeds?
The way I understand genetic ...
