Biology

assume that fur color in mice is controlled by a single allele combination. the dominant allele (b) codes for black fur and the recessive allele (b) codes for brown fur. two heterozygous mice (bb) are crossed. what percent of their offspring will have black fur?
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Classify each interaction as mutualism, commensalism, or parasitism. Explain your answers.A remora fish attaches itself to the underside of a shark without harming the shark, and eats leftover bits of food from the shark's meals.A vampire bat drinks the blood of horses.A bee collects pollen and pollinates a flower.
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what would the answer be ??? pls
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answer the questions bio 1 honors
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what tools are typically used for transferring small amounts of bacteria from one culture medium to another? multiple select question. inoculating needle
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Fill in the following diagram. for biology.
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on what basis are joints classified? how are the two types of fibrous joints similar? how do they differ? which cartilaginous joints are slightly movable? which are immovable? what is the main feature of a synovial joint? what are the functions of articular cartilage, synovial fluid, and articular discs? what types of sensations are perceived at joints, and from what sources do joints receive nourishment? in what ways are bursae similar to joint capsules? how do they differ? what are the four major categories of movements that occur at synovial joints?
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true or false: if false, please make it a correct statement. the plasma membrane regulates the movement of substances into and out of the cell
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to prevent further development of antibacterial resistance it is recommended that fluoroquinolones be reserved for treatment of:
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lipoproteins that are formed when lipids cluster with carrier proteins in the cells of the intestinal lining are called .
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Average velocity can be calculated by dividing displacement over what?
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Which of these represents the male gametophyte generation of an angiosperm? A. cells within a pollen grain. B. the ovule. C. anther.
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There are about __________ species of corals.
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what did the study of pediatrician erika von mutius show with respect to exposure to microbes and susceptibility to allergies and asthma?
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many antibacterial antibiotics interfere with protein synthesis. why wouldnt this strategy be suitable in the selection of antifungal durgs
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kenyatta is participating in a research study examining the effects of a particular hormone. after she is given the hormone, she engages in behaviors that demonstrate trust in strangers, peer bonding, and group cohesion. kenyatta was
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which is a characteristic of mast cells? they: group of answer choices release histamine that causes inflammation. are found only in blood vessels. release histamine that causes vasoconstriction. are not involved in allergic reactions.
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which of these is an abiotic factor that influences the piedmont plateau in north carolina?A: Human interactionsB: Rolling hillsC: Forest Animals D: Tall trees
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groups of organisms that may have been separated for millions of years may be brought together in new combinations primarily by
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in the presence of aldosterone, which nephron region reabsorbs the greatest fraction of the filtered na ?
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in this figure which areas are different for all igM antibodies?a. c&db. b&cc. a&bd. a&c
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Alfred H. Sturtevant, a student of Thomas Hunt Morgan, used assumptions from observations of crossovers to map genes. What is a linkage map?
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a sample of normal double stranded dna was found to have a thymine [ t ] content of 27%, what is the expect proportion of guanine [ g ]?
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non-shadowing, non-mobile, echogenic foci imaged within the gallbladder lumen most likely represents:
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