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dangina [55]
3 years ago
13

Bright Light: Mary wanted to conduct an experiment to determine if the color of light changes how a plant grows. She selected fo

ur different colors of light to use: red, white (normal), green, and blue. She used the same type of plants, gave them the same amount of water and exposed them to the same amount of light each day. She grew 3 plants in each light for one month and measured each plant's growth twice a week. After one month, she found that plants grow best in white light. Identify the independent variable.
Biology
1 answer:
AysviL [449]3 years ago
8 0

Answer:

color of light

Explanation:

<em>The independent variable is the variable that is supplied and often varied/manipulated by the researcher during the course of experiments. It is varied/manipulated in order to see the effect it will produce on another experimental variable - the dependent variable.</em>

In this case, out of all the variables supplied by Mary, only the color of light supplied was varied - red, white, green, and blue; other variables supplied were kept constant. Hence, <u>the independent variable is the color of light.</u>

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Answer:

B) If two non functional copies are inherited, the pea will be wrinkeld.

Explanation:

The gene for starch debranching is one of the genes that regulate more than one genetic trait. The starch debranching gene also regulates the seed shape in peas. The gene has two alleles. The allele B is completely dominant over allele "b" with respect to seed shape. Both homozygous and heterozygous dominant genotypes (BB and Bb) produce smooth seeds while homozygous recessive genotype (bb) imparts wrinkled shape to the seeds.

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3 years ago
The nurse places the stethoscope on the 3rd intercostal space at the left sternal border. Which area is the nurse auscultating f
miv72 [106K]

The nurses auscultated for heart sounds in the area of Erb point.

The fifth point of auscultation for the heart test, known as "Erb's point," which is occasionally given to the eminent German neurologist Wilhelm Heinrich Erb (1840–1921) without any supporting documentation, is positioned in the third intercostal gap near the sternum. At the third intercostal gap and the left lower sternal border is the auscultation location for heart sounds and heart murmurs known as Erb's point.

The spinal accessory nerve in the posterior nerve triangle is located at Erb's point (also known as the great auricular nerve) at the location where it enters the trapezius muscle. At the end of expiration, the third intercostal gap on the left (Erb's point) is often the ideal place to detect the murmur of aortic regurgitation because it is quiet, high-pitched, early diastolic and decrescendo.

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8 0
3 years ago
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A patient has been admitted to the critical care unit with a diagnosis of peritonitis that has necessitated treatment with genta
zzz [600]

Answer:

B.Ototoxicity or Nephrotoxicity

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