20. A research company wants to design a new type of artificial heart valve that will be less likely to be rejected by a person's immune system. Which step in the design process should the company perform before building a prototype of the heart valve?
A. Find test subjects for the new heart valve.
B. Conduct research on existing artificial heart valves.
C. Determine how to manufacture the new heart valve.
D. Evaluate the performance of the artificial heart valve.
Answers: 2
Biology, 21.06.2019 20:00
2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization
Answers: 2
Biology, 21.06.2019 20:30
Will mark brainliest if correct/available! which of the following statements is true? all plants need flowers to sexually reproduce. sexually reproduced offspring are identical to their parents. fertilization always occurs inside the female's body. a body cell has twice the number of chromosomes as an egg cell.
Answers: 1
Biology, 22.06.2019 04:40
Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes
Answers: 1
20. A research company wants to design a new type of artificial heart valve that will be less likely...
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