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fgiga [73]
3 years ago
8

What type of microscope is used for looking at metal surfaces?

Biology
1 answer:
KiRa [710]3 years ago
8 0
A metallurgical microscope
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Which statement best illustrates that problem solving can create new medical devices? Robert Hooke was in charge of verifying th
kirill115 [55]

The correct answer is option ''The stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs''.

In this case, the problem was that the physician's had a problem in listening the heart beats and the lung sound of the woman. To overcome this problem, the stethoscope was invented to listen the heart beat and the lung sound from distance, without keeping head on women's chest.

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What is the human female reproductive system is adapted for? A. Production of zygotes in ovaries B. External fertilization of ga
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D. Transport of oxygen through a placenta to a fetus.

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Zygotes are fertilized egg cell, zygotes aren't produced in the ovaries but ovums or egg cells are produced in the ovaries. So option A is false.

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Production of milk happens in the mammary gland (the breast) not in the reproductive system. Option C is false.

Transport of oxygen through a placenta to a fetus. The placenta is a vascular organ which is implanted in the wall of the uterus (a part of the female reproductive system) and links to the foetus through the umbilical cord.

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14. Operons allow prokaryotes to
Vladimir79 [104]
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15. The central dogma of molecular biology is:

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4 0
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Natural selection means
borishaifa [10]
Pretty sure that the answer is A
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