Answer:
Transparent
Explanation:
The quality of being able to be seen through is known as transparent
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Answer:
Red-capped Robin is the group of Robins that share a more recent common ancestor with the Norfolk Island robins.
Explanation:
Red-capped Robin is the group of Robins that share a more recent common ancestor with the Norfolk Island robins, this can be seen by the degree of genetic similarity between these two species, since the Red-capped Robin has 98.2% of genetic similarity .
When two species have the same common ancestor, these species have great genetic similarity and the more recent this ancestry is, the greater the genetic similarity between the species.
Answer:
receptor molecules.
Explanation:
Receptor molecules are the glycoproteins that binds specifically to a hormone or nerve signal and bring change in the cell activity and function.
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Answer:
C.
Explanation:
The three Rs (Replace, Reduce, Refine) are established principles that are also enshrined in legislation. These principles can establish absolute limits for experiments on animals, even when there are great benefits. The federal law called the Animal Welfare Act (AWA) sets high standards of care for lab animals with regard to their housing, feeding, cleanliness, ventilation and medical needs. It also requires the use of anesthesia or analgesic drugs for potentially painful procedures and during post-operative care.
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