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.
599 questions
-1
votes
0
answers
50
views
Question on Plasmodium presence in RBCs
Malarial parasite can be obtained in RBCs of patient
When temperature reaches normal
An hour before rise in temperature
When temperature rises with rigor
A few hours after temperature reaches normal
...
- 1,207
0
votes
1
answer
221
views
Identification of the anatomy of a hydra (cnidaria)
I need help identifying the parts (4, 8, 9 and 10) of this hydra in the given diagram. The other parts have already been identified:
epidermis
gastrodermis
mesoglea
?
tentacles
cnidocytes
...
- 21
3
votes
1
answer
266
views
What's the difference between phylogenetics, systematics, and cladistics?
Just started systematics in college and I'm having a hard time wrapping my head around new terminology.
I know that systematics is the study of biodiversity and the evolutionary relationships that ...
- 31
0
votes
0
answers
30
views
How to explain this difference in the type of cytokine produced by helper T cells due to the way of infection?
Several rats were divided into two groups $A$ and $B$. The rats in group $A$ had staphylococcus aureus daubed on their ears, while the rats in group $B$ had staphylococcus aureus injected into their ...
- 131
0
votes
1
answer
62
views
What are the molecular and developmental mechanisms that explain why the stylopod is longer than the zeugo. or autopod in vertebrate limb development?
I'm an undergraduate biology student working on a thesis about limb development. One question that came up in a discussion with my supervisor was: "Why is the stylopod typically longer than the ...
- 1
2
votes
1
answer
99
views
Will this oligonucleotide anneal with the DNA strand? If the answer is yes , locate the position of annealing
Oligonucleotide:
5'-GGATGCCT-3'
DNA strand: 5'-CCTACGGATCTCGGATGCCTTT -3'
What i did was:
Reverse the Oligonucleotide to 3'- 5'
3'-TCCGTAGG-5'
Find the complementary of Oligonucleotide
5' AGGCATCC 3'
...
- 31
3
votes
0
answers
64
views
Table is confusing: Discovery of tRNA publication
I'm a student and kinda new to reading papers; currently trying to read A SOLUBLE RIBONUCLEIC ACID INTERMEDIATE IN PROTEIN SYNTHESIS!
Everything else I can parse together given what we now know about ...
- 31
2
votes
0
answers
48
views
What is a simple small scale procedure for plastination of a cucumber?
Question
In words a high school student will understand, what procedure can a student apply to plastinate a cucumber?
A cursory article on plastination can be found here.
Motivation
When someone ...
- 137
0
votes
1
answer
90
views
Hardy Weinberg Equilibrium; Homozygous individuals
I have the following exercise that I can't solve:
In a sample there are 16 homozygous A1 allele carriers
(A1/A1) and 24 heterozygous A1/A2 allele carriers. How many homozygous A2 allele carriers (A2/...
1
vote
4
answers
303
views
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 ...
- 25
2
votes
1
answer
88
views
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-...
- 49
6
votes
1
answer
306
views
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 ...
- 165
0
votes
0
answers
107
views
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 ...
- 1
1
vote
0
answers
106
views
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 ...
- 11
2
votes
1
answer
395
views
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 ...
- 43