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4. What would happen if bag 1 is placed in a beaker of distilled water
About 20% of all angiosperm species reproduce primarily by self-fertilization in which a plant's egg is fertilized by its own pollen. Given that self-fertilization is usually thought of as an 'evoluti
What is the difference between a cDNA library and a genomic library? For the selections below, decide whether it would be better to use a cDNA library or a genomic library. (2 pts each)
If you examined the root tip of an oak tree in the fall, would you expect to see the same rate of mitosis as in the spring? Explain.
are there answers to the pearson vue test for anatomy and physiology available?
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A student is looking through his light microscope (~450 X) at a squashed and stained onion root tip. Some, but not all, of the cells have clearly visible chromosome strands.When a cell is in anaphase
Patrick's urine sample reveals a high concentration of glucose. Is glucose normally present in urine? Suggest two possible mechanisms to explain why the kidney would excrete excess glucose, and what a
What questions regarding biology do you usually get asked? I'm thinking of becoming a biology tutor
Volcanoes are generally not preserved in the geologic rock record
How does the presence of algae indicate either pollution or productivity of a body of water
In a microbiology lab experiment, 2 different E. coli strains as a well as a untreated water sample were plated on an nutrient agar dish using aseptic techniques.
Determine whether the following statements are true or false. If false you must give a simple reason explaining why.
In the table below, predict (yes or no) whether or not the E. coli lac operon will be transcriptionally active in the presence or absence of glucose or lactose as indicated and respond to questions "a
Human cells normally have 46 chromosomes. For each of the following stages, state the number of chromosomes and/or chromatids present in a single human cell.
Red-green color blindness is a sex-linked recessive trait. Two parents, Fred and Ginger, have normal vision. They have two daughters,
If the centrioles are mispositioned in the cell, a functional mitotic spindle will fail to form. In this situation, how will chromosome segregation be affected?
You eat a cheeseburger and a fresh salad. Which of the following molecules in your food are NOT normally oxidized in aerobic respiration to generate ATP
Are they any experiments which have been done to support the pressure flow hypothesis in the translocation of substances in angiosperms? may you inform me of how they were carried out
The biceps brachii is connected to the scapula by collagenous fibers of the epimysium called the _____, and this attachment represents the _____ of the biceps brachii.
Explain how the ecosystem was affected by the missing species for each round of the demonstration.
1. Many primates have opposability in their big toe in addition to their thumbs. How do you think your daily life would be impacted if Homo sapiens had opposability in their big toes?
A middle-aged man comes in because he has noticed multiple small, blood-red, raised lesions over his anterior chest and abdomen for the past several months.
Cystic fibrosis is a recessive disorder (C = no disease, c = disease). Two carriers (heterozygotes) marry. What is the general risk of a child being born a carrier
A plant physiologist has taken some specific cells from a plant and through various steps has produced a whole new plant. He or she can accomplish this due to the fact that