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Scientists surmise that an early charophyte-like alga is theancestor of land plants. Starting with bryophytes, describespecific features that evolved in this group of plants that allowedfor a move to land. Explain how these adaptations wereadvantageous. Next, describe and explain the adaptations found inseedless vascular plants that made them better suited to a landexistence. Explain why both groups of plants (bryophyte andseedless vascular) are limited to moist environments. Finally,explain how the adaptations found in seed plants allowed them totake over the world!
Which of the following describes allopatric speciation.
The energies of glycolysis shows that there is a large drop in free energy upon oxidation of glycerladehydes 3-phosphate to 1,3-bisphosphoglycerate. In the presence of oxygen, some of this energy is ultimately converted into ATP production. though..
One threat to populations within an ecosystem is an invasive species. In the American Southwest, certain areas are being invaded by non-native, Africanized Honey Bees. This aggressive, non native bee is a prolific breeder and some estimate that it..
In a maternity ward, four babies become accidentally mixed up. The ABO blood types of the four babies are known to be O, A, B, and AB. If a mother is type O and the father is type B, what are the potential blood types of their offspring?
Describe the various types of information that epidemiologists use to detect, interrupt and prevent epidemics. List the possible mechanisms of transmission and reservoirs of infection.
In the four cell stage C. elegans embryo the P1 blastomere induces endoderm formation in the posterior daughter of the EMS blastomere.
Assume you had supply of nucleotides made with atoms that were twice as heavy as normal, and you permitted some cells to replicate their dna once, using only heavy nucleotides.
diagram a G-C basepair as present in double stranded DNA.Properly number all C and N atoms in the rings.Clearly indicate the hydrogen bonds and properly orient the pentose sugars and phosophates.You should also represent all funtional groups and a..
What actual cellular event did you represent by connecting the centrioles to each other with the chromosomes in the middle?
Compare and contrast the mechanisms of transcription initiation in prokaryotes and eukaryotes. Suppose you were to count one coliform colony produced from a 10 ml water sample.
Suppose if a prothallus is seperated in distance from other gametophytes, it will eventually produce both archegonia and antheridia.
What is the possibility that their first child will have attached earlobes. which among the conditions or substances do ALL archaeans need for survival and reproduction.
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