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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!
In comparison to the composition of carbohydrates and fats, which element found in protein makes them unique?
Explain why is RNAse added to PCR? Prevent RNA from annealing to the template strand. But what else is it used for
What are the dissimilar types of energy we learned about it. Recognize one technique presently being used to alter the genetic makeup of an organism, and explain how humans can advantage from this change.
In order to map the distance between two linked genes, CC DD individuals were crossed to cc dd individuals. The F1 generation was then testcrossed to cc dd individuals.
Explain the movement of the hemoglobin subunits during the cooperative interactions with oxygen, starting with the binding of oxygen to iron. Further explain the consequences of this movement in terms of affinity for oxygen.
Which curve in the graph on the right represents a bacterial enzyme with an optimal temperature of 78°C? The first law of thermodynamics states that:
What everyday tasks do you think would become more challenging if Homo sapiens were full- time quadrupeds in the place of full-time bipeds? Explain the answers in details.
Which halogen is used in gaseous and liquid form for large scale disinfection of drinking water and sewage.
Consider that, in the hypothetical study given in the table below, cases underestimated their exposure and, as a result, 20% of exposed cases were falsely classified as unexposed.
Why are molecules that block oxidative phosphorylation and the electron transfer chain such dangerous ad potentially deadly poisons?
Blue eyes (b) are recessive to brown eyes (B). In a population of Swedes 64% of the individuals have blue eyes. In a population of Armenians, 9% of the individuals have blue eyes.
Osmometer cells in the brain sense an increase in concentration of the blood plasma. They then notify the posterior pituitary gland to release the hormone, ADH. This hormone causes the kidney to save water that lowers the concentration of the plasma.
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