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Daily Archives: 2021-05-14

What are the similarities between mitosis and meiosis?

What are the similarities between mitosis and meiosis? 4. State a few similarities between mitosis and meiosis. Mitosis and meiosis take place in the cell nuclei. Both involve cell division. Both the processes occur in the M-phase of the cell cycle. In both cycles, the stages are common – metaphase, anaphase, telophase and prophase. Synthesis […]

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Is Co a primary or secondary pollutant?

Is Co a primary or secondary pollutant? Secondary pollutant form when primary pollutants emitted directly from a combustion process react in the atmosphere. Primary pollutants include ammonia, sulfur dioxide, nitrogen dioxide and carbon monoxide. Secondary pollutants include ground-level ozone, acid rain and nutrient enrichment compounds. What is the relationship between primary and secondary pollutants? A […]

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Which of the following levels of ecological organization is arranged in the correct sequence from most to least inclusive?

Which of the following levels of ecological organization is arranged in the correct sequence from most to least inclusive? The correct sequence of arrangement of the levels of ecological organization from least to most inclusive is organism, population, community,… Which of the following levels of organization is arranged in the correct sequence from most to […]

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What factors can affect gene expression in an organism?

What factors can affect gene expression in an organism? Environmental factors such as diet, temperature, oxygen levels, humidity, light cycles, and the presence of mutagens can all impact which of an animal’s genes are expressed, which ultimately affects the animal’s phenotype. Can genes affect an organisms traits? Most traits are affected by many genes, and […]

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What type of chemicals are hormones?

What type of chemicals are hormones? There are three basic types of hormones: lipid-derived, amino acid-derived, and peptide. Lipid-derived hormones are structurally similar to cholesterol and include steroid hormones such as estradiol and testosterone. Are hormones a protein? Some hormones that are products of endocrine glands are proteins or peptides, others are steroids. (The origin […]

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Which theory was proposed by Albert Einstein?

Which theory was proposed by Albert Einstein? special relativity Is E mc2 the theory of relativity? E = mc2, equation in German-born physicist Albert Einstein’s theory of special relativity that expresses the fact that mass and energy are the same physical entity and can be changed into each other. What was the first thing Albert […]

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What is a zygote called after one week?

What is a zygote called after one week? The period of the zygote is quite brief, lasting for about four days. Around the fifth day, the mass of cells becomes known as a blastocyst. The germinal period will last approximately fourteen days, after which the embryonic period will begin. A zygote is also known as […]

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