Biology

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In Drosophila, vestigial (partially formed) wings (vg) are recessive to normal long wings (vg+) and the gene for this trait is autosomal. The gene for the white-eye trait is on the X chromosome. Suppose a homozygous white-eyed, long-winged female fly is crossed with a homozygous red-eyed, vestigial winged male.a. What will be the genotypes and phenotypes of the F1 flies?b. what will be the genotypes and phenotypes of the F2 flies?c. what will be the genotypes and phenotypes of the offspring of a cross of the F1 flies back to each parent?
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The primary source of the specificity of enzymes is ________. Select one: a. their locations within the cell b. their polarity, which matches that of their specific substrate c. their shape, which relates to the lock-and-key model d. their bonded transition metal, which is specific to the target substrate e. their delocalized electron cloud
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Carl and Abby are discussing what they have learned in class about electricity and magnetism. Carl tells Abby that an electric current running along a wire can be used to produce a magnetic force. Abby, on the other hand, tells Carl that moving electrons through a magnetic field can produce an electric current.
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Carlos and his family were camping over the summer and came across the fossil picturered above. When school started, Carlos asked his parents if he could share the fossil with his class. Carlos told his peers he discovered the fossil within a particular layer of rock. What type of rock was this fossil most likely found in?
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Which one of these biomes is known for: - high temperature - high precipitation - lots of biodiversity - high rate of primary productivity
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The ecological perspective emphasizes the dynamic interactions between people and their environment. Gitterman (2014) explains that many of the problems faced by people " are outcomes of complex ecological chains that include attributes of the individual's ___________, ___________, ___________, ___________ and ___________ ___________.
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Which of these choices is the smallest unit of matter?atomsmoleculesdropletsvapor
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According to the ideas of Thomas malhus what are the predicted changes to the human population after 2050
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All of the following events occur during normal meiosis except _______. A. two haploid gametes fuse to form a diploid cell B. one diploid cell produces four haploid cells homologous C. chromosomes separate from one another D. during meiosis I sister chromatids separate from one another during meiosis II
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Which label belongs in the area marked x?
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How do you do this please its due tomorrow
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Which statement about biological literacy is inaccurate? A.The ability to communicate ideas about biology to others is a component of biological literacy. B.Biological literacy is the ability to integrate ideas about biology into making wise decisions for oneself. Biological literacy is the ability to integrate ideas about biology into making wise decisions for society. C.Assuming that all bacteria can infect you because your mother told you so is an example of biological literacy. D.Using the process of scientific inquiry to think creatively about real-world issues that have a biological aspect is a component of biological literacy.
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A parent cell gives rise to daughter cells with identical genetic information. Which of the following data supports the idea that heritable information is passed from a parent cell to a daughter cell through the process of mitosis?? A child has brown eyes; one of its biological parents has green eyes, and the other has brown eyes. A feline skeletal muscle cell undergoes cell division, resulting in two feline skeletal muscle cells. A human sperm fuses with a human egg cell, resulting in the development of a new human. A long-stemmed plant reproduces with a short-stemmed plant, and the offspring are all long-stemmed.
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disorders of the blood forming organs is called
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In the plant kingdom, all the different species are descended from a single common ancestor. What is the correct term that describes this type of lineage?
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Chlamydomonas, which is a chlorophyte, undergoes a ____________ life cycle common to algae. In favorable conditions, it reproduces ____________ via ____________ , while in unfavorable conditions, it reproduces ____________ , producing a zygospore which undergoes a period of dormancy until conditions improve.
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The protein of the bicoid gene in Drosophila determines the _____ of the embryo. Group of answer choices anterior-lateral axis posterior-dorsal axis anterior-posterior axis posterior-ventral axis
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Kafka provides many details about how Gregor interacts with his parents. Based on these details, what can you infer about Gregors relationship with his mother and father? Use text evidence to support your inferences.
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The situation in which some individuals have greater reproductive success than other individuals in a population. Along with variation and heritability, it is one of the three conditions necessary for evolution by natural selection.
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I really need help!A solar flare is observed on EarthA)immediately.B)approximately eight years after it happens on the Sun.C)approximately eight hours after it happens on the Sun.D)approximately eight minutes after it happens on the Sun.
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What is the most common type of skin cancer, which results in the formation of a nodule with a central "crater" that ulcerates?
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What kind of pollution might cause whales and dolphins to strand on beaches?
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How would you calculate the percentage of individuals with a particular trait in a population knowing certain parameters?
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