Biology

Select the statement that describes the major site where antiviral action is blocked by the protease inhibitors. Select one: a. The protease inhibitors block the ability of the human immunodeficiency virus from attaching and entering the cell membrane. b. The protease inhibitors block the uncoating process of the human immunodeficiency virus by binding to protease. c. The protease inhibitors block the nucleic acid synthesis of the human immunodeficiency virus. d. The protease inhibitors inhibit the late protein synthesis and processing of the human immunodeficiency virus.
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Please give a good description of genetic mutations. Thanks!
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I NEED HELP PLEASE! I WILL NAME U THE BRAINLIEST! The sodium-potassium pump: A. uses energy to move sodium ions out of the cell and potassium ions into the cell. B. uses energy to move potassium ions out of the cell and sodium ions into the cell. C. moves sodium ions out of the cell and potassium ions into the cell without using energy. D. moves potassium ions out of the cell and sodium ions into the cell without using energy. PLEASE EXPLAIN!Explanation:
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How would life on earth change if there was no clean water or air?
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what is one difference between ion channels and ion pumps
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Why didnt Henrietta get compensated for her cells
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The word contract in this paragraph tell you: A. The muscles are involuntary B. The muscles are achingC. The muscles become largerD. The muscle tighten inward
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Down syndrome in humans is due to ________ of the 21 st chromosome.
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What magnification will you generally start out using when scanning for parasites? A. 4X. B. 10X. C. 40X. D. Both A and B.
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Biology 1 Food web Food chain Hurry up pls
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Fitness is defined as the probability of an organism ............ and ............ in the environmenin which it is found.Which words correctly complete gaps 1 and 2?A. photosynthesising and respiring B. reproducing and respiringC. surviving and reproducing D. surviving and photosynthesising
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The sugar that is made during photosynthesis is ribose. True False
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What is the primary source of energy for all food chains??
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Where does The energy come from to heat the oceans
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FILL IN THE BLANKS....________________ are the smallest cells present in the human body
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which heats up fasterWater or air
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Pls make sure to explain ur answer because I actually want to know how u got it....
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Match the following vocabulary words. 1.ciliary musclesA transparent liquid which is located between the cornea and iris. 2.optic nerveMuscles attached to the lens to change its shape 3.coneA photoreceptor cell which functions best in bright light. It detects color. 4.vitreous humorThe transparent portion of the sclera at the front of the eye 5.retinaA special part of the choroid layer composed of colorful tissue 6.rodThe nerve connecting the eye to the brain 7.aqueous humorSpecialized cells located in the retina that receive light images 8.scleraA delicate light-sensitive membrane covering the inside of the eyeball 9.irisA photoreceptor cell which is sensitive to dim light, but detects no color10.corneaA fibrous material surrounding the eye to give it shape11.photoreceptorA transparent jellylike substance filling the eyeball
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Which of the following is a critical factor driving evolution?Environmental conditionsHealth in comparison to similar organismsAbility to acquire foodStrength in comparison to similar organismsAll of these are equally important
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What do echinoid, snail, and shark tooth fossils have in common?
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Using information from the cladogram and the data table shown below, which of the following best describes the evolutionary history of gorillas?They are more closely related to salamanders than they are to lizards.They evolved into a separate species as a result of bipedal motion.They have jaws, lungs, hair, an amniotic membrane, and a tail but lack bipedal motion.They share a more recent common evolutionary ancestor with leopards than they do with lizards.
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mRNA is a complementary copy of a Dna strand. Write in the complementary RNA bases for the DNA template strand below.
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Use your own words please.
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What is the phenotype of the sons in generation III? How do you know? amobia sisters
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