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2,179 Answered Questions for the topic biology

Biology Physiology

9h

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
Biology

20h

What is reproduced in reproduction?

Biology Genetics

2d

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
Biology Physiology

3d

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
Biology

6d

How do i make a 200ml inoculation solution?

Stocks: 250mM MgCl2 and 1% SilwetSolution needs: 10mM MgCl2 and 0.02% Silwet
Biology Zoology Ecology

6d

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
Biology Ecology Genetics

6d

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
Biology

8d

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
Biology Science Chemistry

8d

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)
Biology

9d

YEAST FERMENTATION

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

9d

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

9d

What does protein degradation meaning ?

Biology Science Chemistry

9d

Which proteins protects skeletal muscle from injury ?

9d

What is induction of protein mean ?

Biology

10d

How muscle viability is maintained ?

Biology

12d

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

12d

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.
Biology

14d

Are enzymes substrate-specific and only bind to one substrate?

16d

What does skeletal muscle innervation meaning ?

DATA ANALYSIS ENGINEERING

A male fruit fly is equally likely to carry alleles a or b on the X chromosome. Allele a is lethalfor females, so if the male fruit fly carries a, all of its offspring will be male. If the male... more
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