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Diano4ka-milaya [45]
3 years ago
14

What is a series of steps designed to help you solve problems and answer questions

Biology
1 answer:
Ksenya-84 [330]3 years ago
6 0
A series of steps designed to solve problems and answer questions is "a scientific method".
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Compared to the weight of a person at the North Pole, the weight of the same person at the Equator would be
mezya [45]
Anwser is #1 because t<span>he equator is moving faster than the poles and so extends outward a bit due to centrifugal force. That means a point on the equator is a tiny bit farther from the centre of the Earth than the poles. </span>
<span>The gravitational acceleration at the equator is 9.789 m/s^2m, and 9.832 m/s^2 at the pole.</span>
3 0
3 years ago
You are studying two traits in fruit flies:eye color where there are two colors, brown and redwing shape where there are straigh
Irina18 [472]

Answer:

e. Red segregated from brown in meiosis I, and straight segregated from curled in meiosis I.

Explanation:

A cross between two flies heterozygous for both genes produced an offspring with the phenotypic ratio of 9:3:3:1. This ratio is expected according to Mendel's law of independent assortment, which states that alleles of the same gene assort independently during gamete formation.

Before meiosis starts in flies, a single diploid cell duplicates its DNA, so each chromosome has 2 sister chromatids that contain the same information.

  • During meiosis I, <u>the homologous chromosomes separate</u> into two daughter cells. The chromosome number is reduced by half, but each chromosome has two sister chromatids.
  • During meiosis II, <u>the sister chromatids separate</u> and each daughter cell from meiosis I divides into two new daughter cells (to get the total of 4 haploid cells).

In a heterozygous fly, each homologous chromosome contains a different allele, and the sister chromatids are copies that carry the same allele. For that reason, both traits were segregated during meiosis I.

5 0
3 years ago
How might targeting rapidly growing cells explain common chemotherapy side effects such as hair loss and nausea
IrinaVladis [17]

Cancer cells are the cells that divide rapidly than any other cells in the body. The drugs used in chemotherapy work on rapidly dividing cancer cells. Some cells of our body apart from cancer cells also divide rapidly along with the cancer cells such as the cells that line the stomach and the digestive tract. Chemotherapy drugs cannot differentiate the cancer cells and the normal cells so these drugs also attack the normal cells which divide rapidly along with the cancer cells. The drugs also attack the cells that are present in the roots of the hair. So, this results in the hair loss. Hair loss does not occur immediately after the chemotherapy treatment instead it starts after few treatments. The degree of the hair loss after chemotherapy depends on the drug type and process. So when the chemotherapy drugs are used it results in the hair loss and nausea.

Therefore, when chemotherapy drugs attack normal cells including the roots of the hair instead of cancer cells that divide rapidly along with the cancer cells it results in the hair loss and nausea.

3 0
3 years ago
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What does it mean that Nikoleta is in the 10th percentile for both length and weight? Is that a desirable statistic if she was i
miv72 [106K]
90% of people weigh more than Nikoleta and 10% weigh less.
4 0
3 years ago
How does understanding respiration help in maintaining a person's he health?
Marianna [84]

Answer: Respiration is a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.

Hence, respiration helps to maintain a persons health.

3 0
3 years ago
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