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What post fertilization changes take place in the center of archegonium?
1. Many aquatic invertebrates, like fishing spiders and water striders, can walk on the surface of water. How are they able to do this, and why can't we?
A comparative study of microbial size, using a stage micrometer, requires that you measure Bacillus subtilis in both the stained and unstained states. If a variation in size is expected, how would you
Trace the reflex arc of the patellar reflex
The Galapagos National Park has charged you with determining when two populations of the Galapagos hawk have diverged from one another from a common ancestral population, because one hawk population i
How does the size chromatography work?
Can a speed versus time graph be used to analyze the change in direction of an object?
In Mendel's garden peas, the yellow color is dominant to the green
What are the independent variable, dependent variable, constant and control in the Genetics AP Biology Lab
What our biotic and abiotic factors of a burrowing owl?
Staphylococcus epidermidis, bacillus subtilis, or escherichia coli?
A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299 K. If I raise the temperature to 350 K and lower the pressure to 1140 mm Hg, what is the new volume of the gas
Which statement best explains the energy transformation that occurs when methane burns (CH4 + 2O2~ CO2 + 2H2O
Specifically why does the synaptic cleft exist? (having that space versus no space between pre membrane and post membrane
A medical condition that can be treated by using proteins produced through genetic engineering is?
Somatic cells of chimpanzees contain 48 chromosomes.
Bob went to the doctor for his annual physical before starting in a new exercise regimen.
What role if any do you think people should play in preserving those regions threatened by human encroachment
In most biology experiments the relationship between the independent and the dependent variable can be best described as c ause and effect. explain
The study of genetics of viruses and bacteria has done all of the following except
What are the benefits and risks of creatine? What is known and what is not known?
What are some words I can put into "Replication" using a theme as DNA?
What is an action potential What is an action potential
All objects are attracted to each other due to gravitational force. so, why can't you see objects moving toward each other ?
The gene for type A and the gene for type B are codominant.the gene for type O is recessive.using punnett squares, determine the possible blood types of the offspring when Father is type O, Mother is