Biology, 18.03.2021 03:10 meaghan18

How does human population growth affect the environment?

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Biology, 21.06.2019 19:00

Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles

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Biology, 21.06.2019 22:00

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

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Biology, 22.06.2019 20:00

Which of the following initial observations would more directly lead to this research study? a) ginko biloba is cost effective and also possesses heart-protective, antioxidant, anti-inflammatory properties. b) metformin is an effective treatment of patients with t2d, but shows side effects that complicate the disease state. c) over the past several years, the cost of treating t2d within the united states has increased dramatically. d) many plants contain molecules that improve the health and quality of life of patients with a variety of diseases like t2d. e) t2d affects millions of individuals in the usa and worldwide many of who could benefit from improved therapies.

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Biology, 23.06.2019 02:40

Ascientist conducted an investigation about the effects of diet on disease resistance in rats and made surprising observations. the mice with a genetic ear mutation seemed to show similar patterns of resistance compared to mice with normal ears. based on this information, what will most likely occur? a.she will perform a second investigation on the role of certain genes in disease resistance. b.she will revise her hypothesis to pertain to mutations rather than diet, and update her data accordingly. c.she will use this information to determine that her original question was nonscientific, so she will revise it. d.she will determine that her hypothesis was invalid because resistance must be genetic.