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Rainbow [258]
3 years ago
15

Why are unused embryos available? How could they be used in medical research?

Biology
1 answer:
coldgirl [10]3 years ago
6 0

Answer:

Why are embryos used in medical research?

Stem cells can be obtained at the early stages of embryo development; these cells are called human embryonic stem cells (hESC). They also could be used in research to develop drugs to treat serious diseases, or to repair organs following a stroke or heart attack.

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There are two different alleles for flower color, P and p. The image shows a white sweet pea that is labeled with its two allele
makvit [3.9K]

Answer:

White petal color is a recessive trait.

Explanation:

lower case p = recessive. Since there are two lowercase p the recessive trait is expressed. Edge 2021

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3 years ago
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What is a consumer?
sweet [91]

Answer:

Consumer is organisms or animals that consume on plants or animals. Primary consumer are animals that feeds on plants, mostly are herbivores. Examples are caterpillar and goat. Secondary consumer are eats on small animals and mostly are omnivores. Examples are birds and monkeys. Lastly is the tertier consumer that feeds on animals, of course they were carnivores. Examples are tiger and jaguar.

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How do tough waxy cuticles on leaves prevent infection?
musickatia [10]
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4 0
3 years ago
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Which of the following are examples of positive feedback loops? (Choose all that apply)
aleksley [76]

The examples of positive feedback loops are as follows:

  1. contractions during the process of giving birth
  2. Blood clotting

<h3>WHAT IS POSITIVE FEEDBACK LOOP:</h3>
  • Positive feedback loop is that in which a change in a given direction causes additional change in that same direction.

  • The contractions during the process of giving birth is an example of positive feedback loop because the contractions further stretch the walls and continues until birthing occurs.

  • Also, the clotting of blood causes the stoppage of blood flow.

Therefore, the examples of positive feedback loops are as follows:

  1. contractions during the process of giving birth
  2. Blood clotting

Learn more about positive feedback loops at: brainly.com/question/11312580

7 0
2 years ago
Lorenzo pushes on a heavy crate with an applied force of 250N at an angle of 30° below the horizontal. The fo friction opposing
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Answer:

what is the speed and time

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