Biology

pyruvate produced by glycolysis in the cytosol is consumed by pyruvate dehydrogenase, which is also found in the cytosol. must first be transported into mitochondria if it is to be consumed by pyruvate dehydrogenase. is small enough to cross the inner mitochondrial membrane by simple diffusion. is always converted to lactate before it can enter other pathways.
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how does the body decrease the blood vessel radius? how does the body decrease the blood vessel radius? vasodilation vasoconstriction cardiac muscle contraction valve closure
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what scientists are credited with the base-pairing rules?
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in order to keep catabolic pathways in cells functioning, what do cells do and why does this work?
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The Hawaiian Islands are chain of volcanic islands nearly 2000 miles away from the nearest plate boundary. At which location does the movement of tectonic plates form isolated volcanic islands such as Hawaii?subduction zonedivergent boundaryhot spottransform boundary_______________As early as the 1600s, scientists noticed that the continents appeared to fit together like puzzle pieces. The idea that the continents were once together and had drifted apart was not widely accepted. In the 1940s, technology used on submarines led to evidence of continental movement. This radar technology allowed the scientists to do which of these?to explain the causes of continental movementto determine fossil evidence of continental driftto reject theories of continental driftto prevent further movement of continents_________________________________When an earthquake occurs, the speed of the seismic waves changes as they what?are pulled by the force of gravity.lose energy to surrounding rocks.reflect off of boundaries.move through different materials.__________________________The continental crust floats on top of the mantle because the crust is _____.made up of oxygen which is a light element.made of a liquid material.separated from the mantle by a layer of water.____________________________________Which best describes the mantle of Earth?a thin layer that is located on the surfacea solid layer made of iron and nickelthe largest layer between the crust and outer corethe smallest layer that is made up of molten rock15 points.
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which of the following resources is the most plentiful fossil fuel? oil natural gas coal none of these choices are correct.
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What mineral is most likely used to make an MP3 player? A) talc B) zinc C) quartz D) calcium I'm pretty sure it's either zinc or quartz but I don't know which
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which of the two tree ring series is useful for cross-dating between multiple trees and finding patterns?
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how deos the arrangement and morphology of the palisade layer result in its being the major site for photosynthesis
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modes of natural selection 0.2 points/question 1. which type of selection tends to increase genetic variation?
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the student uses small foam balls to represent the vesicles that transport proteins. at what location in the model should the vesicles be placed? responses
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what kind of environment does wild rice grow best in?
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hepaticophyta lack stomata and tracheids. what would provide evidence to justify their inclusion in the bryophytes and not the charophytes?
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Where the water flowing in a stream enters another body of water, it is called _____ _______ __ _____ ________ __ ______.
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if you plan or structure this activity in order to increase cardiovascular function or muscle mass, it is called
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if you observe a live cell moving under the microscope, what structure might be producing the motion? select all that apply.
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Which of the following would require facilitated diffusion in order to cross the cell membrane?GlucoseWaterCarbon dioxideSodium
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which of the following is a disadvantage associated with the genetic modification of crops? responses genetically modified crops have a decreased resistance to drought. genetically modified crops have a decreased resistance to drought. genetically modified crops have a shorter shelf life and are more difficult to transport long distances. genetically modified crops have a shorter shelf life and are more difficult to transport long distances. genetically modifications can decrease the genetic diversity of crop species. genetically modifications can decrease the genetic diversity of crop species. genetic modifications decrease nutritional content in foods.
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in another cell, there is a sequence of dna that is 3' a*tg tga ccc 5'. but glycamide has bound to the first a (the one that's starred), and the dna polymerase reads it as a t. what piece of dna will the dna polymerase make? choose the best response.
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Where are the olfactory filaments found?
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tatuo aida what progeny genotype would you expect for a cross between a homozygous red fish and a white fish?
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what feature of cardiac muscle allows for the rapid deployment of action potentials throughout the heart?
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a man with the blood type ibio has a child with a woman with the blood type ioio. the possible blood types of the child are
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what enzymes perform most of their work on the lagging strand, but very little on the leading strand? g
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