Which of the following provides nutrients to a developing embryo, passes wastes into the mother's blood for disposal and forms tissuses of both the mother and the embryo? A.) placenta B.) umbilical cord C.) amniotic or D.) all of the above

What is the relationship between genes and chromosomes? a. Chromosomes contain one or more genes. b. Genes contain one or more chromosomes. c. Chromosomes use DNA code to manufacture genes. d.

Woese a. was involved in determining rRNA sequences AND proposed breaking eukaryotes into domains Archaea and Bacteria. b. proposed breaking prokaryotes into two groups AND was involved in refining the Gram stain for classification purposes. c.

How are electric cars good for the environment? A. they use more fossil fuels B. They produce less energy C. They produce less pollution D. They use more gasoline

The correct order of movement of proteins through the golgi apparatus is

The vinegar was used to remove the shell from the raw egg. What other effects did the vinegar have on the egg?

The aorta is a vein. True False

Where does the energy in food come from?

In tropical climates, why is there heavy vegetation but poor soil? a. chemicals cause the soil to be too acidic. b. heavy rainfall washes essential nutrients from the soil. c. heavy rainfall mechanically weathers the soil. d.

What is the process in which humans breed organisms for certain traits?

In which part of body is not found sebaceous glands?