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a dominant allele will always increase in frequency over time yes no q44 when a gene has two alleles the allele frequencies in a population
name two differences how genetic material is transmitted between prokaryotes bacteria and eukaryotes humans hint consider the number and structure of
you have 200 cells and find 120 in interphase 57 in prophase 8 in prometaphase and 5 in metaphase 8 in anaphase and 2 in telophase none in g0 phase
two parents who are each known to be carriers of an autosomal recessive alleles have four children none of the children has the recessive condition
would it be possible to establish a pure-breeding population of brown pigs with a few black
if you create an f2 generation by mating two of the f1 offspring from your cross of a pure-bred brown pig with a pure-bred heavy spotted red pig
what would be the approximate number of amino acids of a protein with a mass of 203 kd assume an average molecular weight for amino acids of 110
explain the relationship between an agonist muscle and its antagonist as it relates to positional control functional movement and neuromuscular
what is the difference between a hormone and a morphogenhow do they act and what type of development do they
what are coacervates what property do they have that suggests they could be a primitive
the cells lining the inside of the cheek are frequently removed for making observations of basic cell structure the cells are from stratified
for a particular assay you require cells at a concentration of 300 cells per ml in your flask of cells growing you counted a sample using a
you are working on a protocol in lab that requires 10ml of a 5 saline solution for a particular step all you have in your lab is a 20 saline stock
plants use proteins lipids and starch as seed storage compounds what is an advantage of using proteins as a storage compound that are not afforded by
carbon dioxide needed for photosynthesis enters the leaf via the stomata but water is also lost when these pores are open water is often limiting and
what would you conclude from pcrdgge denaturing gradient gel electrophoresis analysis of a sample that yielded one band by pcr and one band with dgge
two atoms always represent the same element if they have a the same number of particles in the nucleus b the same number of electrons c the same
which statement is true of the energy levels of electrons in shells a all the electrons in an atom have similar amounts of energy b electrons must
can you please describe the differences between continuous traits and discrete traits and how it helps an ecologist measure variation please give a
while waiting at an airport nail campbell once overheard this claim its paranoid and ignorant to worry about industry or agriculture contaminating
agriculture industry and growing populations of cities all compete through political influence for water if you were in charge of water resources in
design a controlled experiment to test the hypothesis that acid precipitate inhibits the growth of elodea a common freshwater
consider the evolution of metabolic pathways some biologists believe that these pathways evolved
in agriculture areas farmer pay close attention to d weather forecast right before a predicted overnight freeze farmers spray water on crops to