Biology

Estimate how many cm each allele contributes to the height difference? Help me pls! :)

The height of a type of bean plants is determined by five unlinked genes called A, B, C, D, and E. Each gene has two alleles: additive (uppercase letter) and nonadditive (lowercase letter). The shorte

Bio question about bacteria and archaea, need help please.

Which of the following characteristics of the Archaea is also true of Bacteria? Choose one answer.a. Cell walls lack peptidoglycan. b. Include chemoautotrophs and chemoheterotrophs. c. Histones are pr

How do dna sequence mutations differ from chromosomal mutations

how do dna sequence mutations differ from chromosomal mutations? Thanks...its for biology...need it asap!-because in DNA mutation, what hapen is only the mutation that occured atPurines and Pyrimidi

Simple Science Exam Help

I have a very weak area of Science.I can absorb as much knowledge and remember it as I can when it comes to certain things.However when I am asked in tests what you would need to think about before yo

Is 157 IQ considered very high

The Wechsler Intelligence Scale classifies an IQ Score of 157 as very superior intelligence. Its in the top 0.1% compared to the general population.-http://en.wikipedia.org/wiki/Iq all of your answer

What are the parts of the nucleolus

I need the parts of the nucleolus for a project, and I cant find them online. I need it quick, thanks!-the nucleolus is an area within the nucleus.it consists of the nucleolar membrane, which is highl

A healthy human body contains about x-times more bacterial cells than their own body cells.

A. 9-times B. 10-times C. 5-times D. 2-times-The answer is B. Most of them are considered to be normal flora.-B. 10 times more.

How is the DNA molecule model useful to scientists

how is models of the double helix DNA molecule structure useful to scientists?-its the genetic blueprint of all living organisms on earth its the code or information for every part of the living thing

What is the difference between a dead body and a live one as far as atoms are concerned

If we are considering the instant before and after the death.-There is no instant.While you can describe a time of death, it is the point where the ability of the body to sustain function has failed t

If Evolution occured, how could it have made we humans higher than other animals

I mean why cant the monkeys talk, develop planes, build... why are we human yet we have larger and bigger animals than us who can fly? why cant we have wings atleast we all volved fom a common ancesto

AP Biology Project: Topic Ideas

I need to do a final project for my bio class. and it has to be a 10 minute long presentation -_- so i need some good ideas! she wants us to give an outline of a specific topic with subheadings and st

Is this creationist claim about evolution true

I was watching a video on Youtube featuring an interview of Richard Dawkins. The poster of the video apparently disagreed with the theory of evolution by natural selection, and started putting up anno

A Bio hardy weinberg question, asking about the frequency of a certain allele.

A moth has three alleles at a locus that controls antenna color: X1, X2 and X3.X1 is dominant to X2 and X3; X1 produces red antennae.X2 is co-dominant to X3; X2X2 produces yellow antennae, X3X3 produ

Why can dendrites only receive messages and axons can only send in neurons

I understand that dendrites bring messages to the cell body and axons take messages away, but why does this occur? Why cant they do both?-If I remember correctly, the axons of a particular neuron conn

How to do a 6:6:2:2 ratio? How do I figure out the genotypes of the male and female parents? HELP!!!!!!!!!

In the bobcat, the dominant allele R causes solid tail color, and the recessive allele r results in white spots on a colored background. The black coat color allele B is dominant to the brown allele b