Biology

PHOTOSYNTHESIS, PLEASE HELP!!! asap100 POINTS!!
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PLSSS HELP ME!!!All of the following are functions that the kidney performs exceptA. controls pHD. produces erythropoetinB. produces ureaE. eliminates nitrogenous wastesC. maintains blood pressure
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why is the dominant allele seen in a heterozygous individual
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Which of the following models shows the flow of energy in a woodland ecosystem? Select the two correct answers A.sun tree caterpillar birdB.sun caterpillar bird hawkC.sun tree grass mouseD.sun grass mouse owlE.sun hawk bird caterpillar
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any body come with me for test
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You contract an infection from an unknown pathogenic organism. Your doctor conducts a biochemical analysis of the pathogen and discovers that it contains chitin. The pathogen is most likely a
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Which event takes place first in the stages before the birth of a star?
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The primary food for supplying energy for muscular activity is protein. Group of answer choices True False Next
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Mention the non-living and living characteristics of viruses?
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What two-word term has been used to describe the annual shopping and sports mayhem in Philadelphia and the time when U.S. retailers typically show a profit?
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Which of the following best describes the structural make-up of a gene?
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haemoglobin is presented in........................... cells
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Which of the following statements regarding digestion and absorption of carbohydrates is TRUE? Lactose intolerance results from an insufficiency of the enzyme amylase. Digestible polysaccharides are broken down into the monosaccharides glucose, galactose, and fructose, which can be absorbed. Sucrose is the main form of carbohydrate that can be absorbed by active transport across the intestinal epithelium. Carbohydrate digestion begins in the stomach. Cellulose from plants is a polymer of glucose that can be easily digested and absorbed by the human GI tract.
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Mr. Jones' class is asked to properly identify multicellular eukaryotes. Which key terms below would BEST help a student properly classify these organisms?A. can be unicellular or multicellular, have a nucleus, and contain complex organellesB. can only be unicellular, do not contain a nucleus, and do not contain complex organelles C. can only be multicellular, do not contain a nucleus, and contain complex organelles D. can be unicellular or multicellular, have a nucleus, and do not contain complex organelles
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Which structure is this statement most likely referring to
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Define bronchiole and alveoli.
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Caroline set up a fourth test tube that contained a leaf and was exposed to dim light. After two hours the colour of the indicator solution in this test tube remained orange. Explain why. (hydrogen carbonate indicator test)
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Food Webs and Food Chains Worksheet1 Look at this food chain.lettucegreenflyladybirdthrushcata What does the arrow mean in a food chain?b Name the producer in the food chainc Name the third trophic level in the food chain.d Name the tertiary consumer in the food chaine What is the ultimate source of energy that drives the food chain?
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help me please help
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a condition in which the number of red cells or the amount of hemoglobin is below normal
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explain how a mutation could have no effect on the organism that inherits the mutation
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5. member of the group that includesdogs, wolves, and foxes
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Cell Division Homework #1 Introduction to Cell Division Directions: Compare and contrast the following pairs of terms: 1. sister chromatids / centromeres: 2. mother cell / daughter cell: Identical 3. interphase/ cell division: 4. DNA / chromosome: 5. mitosis / cytokinesis:
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what is the solid obtained at the neck of a funnel in sublimation?
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