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Snowcat [4.5K]
3 years ago
12

What effect would constriction of the blood vessels have on the body?

Biology
1 answer:
zheka24 [161]3 years ago
3 0
D because all your veins ate nearly in your heart and if your heart stops they stop too
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Short pea plants exist in the P1 and F2 generations. What happens to the phenotype in the F1 generation?
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The correct answer to this question is <span>The allele for short pea plants is masked during the F1 generation, but it is still present in the genotype.</span>
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The order Cetacea includes modern-day whales, dolphins, and porpoises. These marine mammals share common characteristics that ha
allsm [11]

Answer:

The correct option is <u><em>A. they evolved from land mammals.</em></u>

Explanation:

The process of evolution explains how closely one organism is to another based on their common ancestors. Scientists believe that those organisms which show many similarities in their structures or functions might have evolved from a common ancestor in the past.

As in the above-mentioned question, scientists have observed that cetaceans lack gills and breath air, this is a property of land mammals. The cetaceans have fin bones which are similar to the limb bones. As limb bones are present in land mammals, hence they cetaceans and land mammals might have common ancestors in the past.

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3 years ago
The chemical equation shown represents photosynthesis.
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<h3><u>Answer;</u></h3>

It combines with water to form glucose.

<h3><u>Explanation;</u></h3>
  • Photosynthesis is a process by which green plants make their own food by using solar energy from the sun, together with water and carbon dioxide.
  • Carbon dioxide, water and light are all needed for photosynthesis to take place. During the process solar energy from the sun is used to convert carbon dioxide and water into the simple sugar glucose.
  • <em><u>Substance A is the above question represent carbon dioxide which combines with water in presence of light to form simple sugars and oxygen gas.</u></em>
  • The equation for the reaction is;

6CO2 + 6H2O + light energy = C6H12O6 + 6O2.


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In your own words, describe what information the visible DNA fingerprint provides for each DNA sample
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Answer:

The visible DNA fingerprint can help extract DNA which, after analysis, can accurately identify the suspect or perpetrator of the crime.

Explanation:

DNA Fingerprinting:

  • DNA fingerprinting is a molecular analysis tool that can help identify a suspect in a crime through DNA extracted from fingerprints.
  • Specific patterns in the DNA, known as polymorphisms, can be identified through DNA fingerprinting.
  • The DNA fingerprinting process involves:
  1. Extraction and purification of the DNA from the fingerprint.
  2. PCR amplification to obtain high yield.
  3. Fragmentation of the DNA by use of restriction enzymes.
  4. Gel electrophoresis analysis of the fragmented DNA.
  5. Analysis of gel to compare the size of the bands.
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Do inner planets have a rocky surface
GREYUIT [131]

Answer:

Yes

Explanation:

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