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lternation of generations is a land plant innovation, although i) some algae have this kind of life cycle and the gametophyte stage is extremely reduced in Angiosperms. Review the evolution of land plant alternation of generations by answering the following.
a) The immediate algal ancestors of land plants probably had what kind of life history? Briefly explain how this changed in the transition to land.
b) Explain in detail the key events in a haplo-diplontic life cycle with sporic meiosis or alternation of generations.
c) Generally, howis the gametophyte stagereduced in clades with more recent common ancestors than Bryophytes?
a. Write out the reaction equilibria for the sequential deprotonation of tyrosine and the equations for the corresponding Ka for each. (Hint: There should be three reaction equilibria.)
Was there a difference in buffering efficiency between addition of KOH versus HCl and was this difference amplified in case d?
As is true for many issues in biology, scientists have proposed a number of competing definitions for adaptation
What is pasteurization? What are the different form of pasteurization? How pasteurization can extend the shelf life of milk?
When a yellow female Labrador retriever was mated with a brown male, half of puppies were brown and half were yellow. The same female, when mated to a brown male produced all brown puppies.
A hockey player loses his edge on his push off leg, has a sharp pain in his right thigh with pulling sensation at inner thigh; cant skate without pain
Humans are almost identical in the protein-coding sections of the genome, yet each individual has a unique DNA profile. Explain how this is possible.
Digestive disorders are nothing new. Discuss the causes and symptoms of your chosen disorder and possible treatment options.
Serology testing involves mixing a patient sample with antibodies and observing a binding event based on chemical bonding principles.
Part (a) of the drawing shows a bucket of water suspended from the pulley of a well; the tension in the rope is 75.0 N.
Both salt and sugar are used as food preservatives. How do they work to preserve foods? compare the osmotic pressure of 10 moles %NaCl and 20 moles % sucrose.
Determine the importance of ADP levels within the mitochondrion, particularly with respect to respiratory rate?
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