2,179 Answered Questions for the topic biology
Open circulatory system pro
Hi!I have found this advantage for open circulatory system, but I do not get it:3. Body temperature control is better.Open circulatory systems can dispel heat more efficiently, which makes it... more
What is reproduced in reproduction?
A woman of A blood type and normal colour vision had five children as described (in no particular order):
male, A blood type, colour-blind male, O blood type, colour-blind female, A blood type, normal colour vision female, B blood type, normal colour vision female, A blood type, colour-blind Of... more
Different circulatory systems
Hi!I have a question.What are the pros and cons of: An open circulatory system A closed circulatory system A three-chambered heart (for example the one in reptiles) A four-chambered heart (for... more
How do i make a 200ml inoculation solution?
Stocks: 250mM MgCl2 and 1% SilwetSolution needs: 10mM MgCl2 and 0.02% Silwet
Hardy-Weinberg Equilibrium Problem
If 75 individuals of 735 have the homozygous dominant genotype for a phenotypic trait, what is the allelic frequency for that trait among those individuals?Answer options: 0.01, 0.75, 0.1, 0.46,... more
Hardy Weinberg Equilliburim Question
Assume there are 200 individuals in a population. If q2=0.2 and 2pq=0.5, what is p2?Answer choices are 0.75 , 0.03 , 0.09 , 1, and 0.55
Tom and Mary are expecting their second child. What are the chances that their child will have blue eyes? (Show all work, i.e. Punnett Square.)
what is the difference between taxonomy and phylogenetics? What is phylogenetics and taxonomy?
I can not figure out the answer for this problem
Which of the following is true about nucleic acids? Both DNA, which stores genetic information and encodes protein sequences, and RNA, which is involved in the direct production of proteins, are... more
What happens to the rate of a reaction if we double the amount of enzymes available for use, but keep the amount of substrates the same?
If I have a 12% solution of hydrogen peroxide (2 cups) and dilute it with 1 cup water, what is the new percentage?
I'm actually doing a lab, this isn't a textbook problem (college bio)
If I add hot water to a beaker with yeast and sugar will there be a smell even though the fermentation process won't?
biology unit 5 test
The biomolecule structure shown is formed by the hydrogen bonding between nitrogenous bases Adenine with Thymine and between nitrogenous bases Guanine and Cytosine. Which of the following is true... more
How muscle viability is maintained ?
How do I make a 400ul Edwards Extraction Buffer
Stocks that I have: 1M Tris-Cl, 5M NaCl, 0.5M EDTA in 0.5M NaOH, and 10% SDSRecipe needs: 200mM Tris-Cl, 250mM NaCl, 25mM EDTA, and 0.5% SDSI need calculations too
BIOLOGY DNA AND RNA
replicate the following four dna strands using what you know about complementary base pairs
What is innervation mean ?
My teacher wanted me to search about Skeletal muscle innervation so what am I suppose to search I was not able to find anything when I typed that to google. I need help please.