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meiosis, Ap BIO
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∙ 14y ago
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∙ 13y agomeiosis
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How can you kill bacterial cells by centrifugation?
Bacterial cells cannot be lysed (or killed) through centrifugation alone. Although repeated centrifugation and resuspending will kill many bacterial cells as a result of shear stress on the cell membrane
Which of the following bacterial diseases produce ulcers on the skin?
Tularemia
Separation of species or populations so that they cannot interbreed and produce fertile offspring?
reproductive isolation
Genetic engineers cannot control whether or not a gene transferred to an organism will be passed to the offspring of the organism?
False
How long for amoxycillan to treat virus?
Amoxicillin cannot treat a virus. Amoxicillin is an antibiotic. Antibiotics treat bacterial infections, not viruses.
Why is low genetic variation a problem?
Low Genetic variationis the raw material of evolution. Without genetic variation, a population cannot evolve in response to changing environmental variables and, as a result, may face an increased risk of extinction.
Explain why individuals cannot evolve?
Individuals die. Only the progeny of individuals carry on the genetic variation that is in populations. Selection works on this variation in populations by working on variation passed along by the sex cells. Somatic cells of the individual can have any mutation, but can not pass it on to progeny. Sex cell, having mutation which allow selection to choose among variation, lead to evolutionary processes.
A population of anole lizards cannot find enough food in their ecosystem so they immigrate into a new ecosystem and join another population of anole lizards What will happen to the genetic composite?
Both populations will become more genetically diverse.
Why do all populations face limits to growths?
Populations run out of food and space so cannot grow indefinitely.
What is the condition in which two populations cannot interbreed called?
isolation
Is autism triggered by watching TV during childhood?
No, autism is not triggered by watching TV during childhood.Autism is a neurological variation, much like skin color or eye color it's simply part of normal human variation due to genetic differences. Autistic people are born Autistic, our brains develop this way during the second trimester of pregnancy, an allistic person cannot become Autistic.
Is the flu bacterial?
yes last time i checked i read all viruses and flu's were bacterial! No, influenza is viral and cannot be treated with antibiotics.
Can you use amoxicillin for bacterial infections?
Yes, they can cure bacterial infections but they cannot cure viruses. :)
Is color of flowers an example of continuous variation?
no, as a flower is either for example blue or white, and cannot be something in between, thus its discontinuous variation.
How is genetic diversity important to the concept of natural selection?
Without genetic diversity, natural selection cannot occur
Can you get a bacterial infection by the size of the male's penis?
I cannot think of any way that the size of a penis would increase or decrease the chances of a Bacterial infection.
The bacterial disease that cannot be spread by infected people who do not have active disease is?
tuberculosis
