Biology

if a water molecule entered a mature root at the root surface, it would cross what tissues, in their correct order, on its way to the center?
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explain the location and roles of the nutrient arteries, nutrient foramina, epiphyseal arteries, and periosteal arteries.
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prisha is doing some research on mites. she is amazed to find out that there are more than 60,000 identified mite species. some types, like dust mites, feed on dead skin cells, while others, like ear mites feed on ear wax and skin oils. while writing her research paper, prisha decides that even though mites are annoying parasites, they do perform a function in the world. prisha decides to focus on this for her paper. which title would prisha most likely chose for her assignment?
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helppppppWhat are the risks of GMOs?Why are GMOs largely unregulated in the U.S?What are the differences between corporate-developed GMOs and those developed in non-profit settings?Why does the U.S. lack regulations used in many other parts of the world for GMOs?What are the benefits of labeling laws for GMOs?
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explain what happens to the catecholase enzyme molecule and its activity when the ph is on either side of the optimum level.
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which features are found in cells from the different domains and kingdoms of life? match the features to the cell types.
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in an ecosystem, primary consumers eat plants. secondary consumers eat primary consumers. tertiary consumers eat secondary consumers. what can be concluded from this information?
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A student drew the following diagram to model the structure of an Australiangrassland community. Kangaroos are herbivores. In which level of thestudent's model would you find kangaroos?A. Level 3B. Level 4C. Level 1D. Level 2
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1. a nerve cell will fire when the voltage across the membrane is 0.045 v. if it is sodium ion concentration that causes this voltage and the extracellular sodium concentration (at 153 mm) is higher than the intracellular concentration, then what intracellular sodium concentration will fire the cell at 37 c?
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the process of resynthesizing adenosine triphosphate (atp) from adenosine diphosphate (adp) is called?
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gas exchange that occurs in the alveoli capliary membrane is reffered to as what type of respiration
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classes of nucleic acids and their properties. what are unique structures or components of each type of rna?
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what is negative feedback? describe two examples of negative feedback and how they impact the human body.
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Check all that line the mucosa of the large intestine. A.Simple columnar epithelium B.Goblet cellsC.Intestinal villi D.Intestinal glands.
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the pelvis is the best place to assess . group of answer choices stature ancestry sex none of the above
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which of the following are functions of the cytoskeleton? multiple select question. help maintain cell shape structural support produce atp store water and nutrients intracellular transport
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oxygen dissociates or detaches from hemoglobin as blood passes through small blood vessels in the body tissues because
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a person who suffers from emphysema can exhibit signs of a) respiratory acidosis b) respiratory alkalosis c) metabolic acidosis d) metabolic alkalosis
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single-strand-binding proteins are necessary for: group of answer choices identifying nucleotides initiating dna replication all of these polymerizing dna priming dna inhibiting double-helix formation
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the most important regulatory genes that control embryonic development of body plans and segmentation are group of answer choices
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when collecting data and doing experiments what system of measurement do most scientist use
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at the mid atlantic ridge North america and south america move west while europe and africa move east what conclusin can you draw about the atlantic oceans size millions of years ago
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opiate-like neurotransmitters linked to pain control and to feelings of pleasure are known as glia. endorphins. antagonists. glutamates.
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in an experiemnt designed a test affected the temperature on goldfish respiration the temperature that were changed represents what type of variable
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