Ask an Expert (Page 157)

Ask an Expert Topic Forum: Grades 9-12: Life, Earth, and Social Sciences

DNA Damage Lab Using UV and Yeast DNA Damage Lab Using UV and Yeast Hello! I am exploring DNA damage by testing how UV Rays affect yeast. The procedure originally says to use the sun for the UV rays however, in case of bad weather I wanted to know if an artificial UV source such as a UV light would have the same effect? Thank you! [Administrator note: Project: https://www.sciencebuddies.org/science-fair-projects/project-ideas/BioChem_p036/biotechnology-techniques/UV-dna-damage ] Re: DNA… Read more

Phospholipids in a non-polar substance

Ask an Expert Topic Forum: Grades 9-12: Life, Earth, and Social Sciences

Phospholipids in a non-polar substance Phospholipids in a non-polar substance In class, we were recently taught that in water, phospholipids form a lipid bilayer with the polar heads touching water and the non-polar tails facing each other. In that case, if we were to put phospholipids in a non-polar substance, would the polar heads face each other and the non-polar tails face the non-polar substance? Read more

Which cereal has more iron?

Ask an Expert Topic Forum: Grades 6-8: Physical Science

Which cereal has more iron? Which cereal has more iron? Hi, I have a student who is conducting the science fair experiment: Which cereal contains more iron. The process requires him to soak the cereal for 5 min. in hot water and then to run a bar magnet through the cereal. We are not having any success. Can you please help me to trouble shoot this problem? Re: Which cereal has more iron? Is this the project the student is doing:… Read more

Urgent Help Needed

Ask an Expert Topic Forum: Grades 6-8: Life, Earth, and Social Sciences

Urgent Help Needed Urgent Help Needed Trying to create my science fair proposal and set up my experiment. Doing it on effect of different kinds of music on learning while studying. Had a couple questions: 1. Assuming I can't be the subject right? If not, how many people do I need to test? I've read at least 10 is ok but is that true? 2. Was going to have volunteers read a 1 page passage from a textbook then answer 3 questions about the content. Since I have 2 kinds of background music… Read more

URGENT How to find non-pathogenic alleles of the SNCA gene

Ask an Expert Topic Forum: Grades 9-12: Life, Earth, and Social Sciences

URGENT How to find non-pathogenic alleles of the SNCA gene URGENT How to find non-pathogenic alleles of the SNCA gene How do I find non-pathogenic alleles of the SNCA gene? This is for a variation of this site's experiment "From Genes to Genetic Diseases: What Kinds of Mutations Matter?" I can't find any and would love it if you gave one to me but if not just to point me in the right direction. A fast response would be greatly appreciated. Sincerely, Connor. [Administrator note: Project:… Read more

Clothes for the party.

Ask an Expert Topic Forum: Grades K-5: Life, Earth, and Social Sciences

Clothes for the party. Clothes for the party. Girls, I've been invited to a party that's coming up in a week, I don't have any clothes. I want to look my chicest at this party. Please help me pick out clothes for the party, I just can't find anything on my own. I really need to wow everyone. Read more

Bookmaker's advice

Ask an Expert Topic Forum: Grades K-5: Life, Earth, and Social Sciences

Bookmaker's advice Bookmaker's advice I have a desire to bet on sports, but I can't choose a bookmaker. Who can advise me a reliable bookmaker office? Re: Bookmaker's advice I think you need to install a mobile sports betting app from a bookmaker's office. Because it's really convenient and it will save your time. I recommend you to visit this https://cricketbettingapps.net/indibet-app/ site. Because you will be able to use the mobile app and make bets on different sports. By the… Read more

G Force in an Albecurie Warp Field

Ask an Expert Topic Forum: STEM Activities

G Force in an Albecurie Warp Field G Force in an Albecurie Warp Field My question is a little exotic and concerning these anomalous aerial craft that move at speeds that would crush a human. It has been 30 years since I have been in a proper physics class so please don't flame my ignorance too bad. If a person weighing 200lbs mass is reduced to near zero (inside an field which blocks gravitational waves) wouldn't the G Force also be reduced to near zero? Let's say it was an 80% reduction in… Read more

Easy To Download & Prepare CompTIA 220-1002 Exam Dumps Guide

Ask an Expert Topic Forum: Careers in Science

Easy To Download & Prepare CompTIA 220-1002 Exam Dumps Guide Easy To Download & Prepare CompTIA 220-1002 Exam Dumps Guide Now, the internet is a deep sea with a lot of sites that can help you achieve what you want for the IT industry. Dumpspass4sure is one of those amazing sites on the internet that has been delivering the most valid 220-1002 dumps and exam sets at rates that all candidates can choose? This site was developed totally by enthusiastic teachers and IT masters to help… Read more

Dog Behaviour : Is it really understandable?

Ask an Expert Topic Forum: Careers in Science

Dog Behaviour : Is it really understandable? Dog Behaviour : Is it really understandable? Some of us really like dogs but some are not. I do love dogs but sometime, i could not resist myself to angry on them because of their behaviour. Do you think that, 1) Dogs can really understand you? 2) Dogs are reflecting themselves after knowing you? 3) Dogs like human? Try to reach out this link and understand yourself https://www.youtube.com/watch?v=brg5lzY ... vltgk7aqhr Read more

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