A group of parasites called myxozoans have traditionally been considered simple multicellular protists. However, because these organisms possess stinging cells, some scientists consider them to be animals in the phylum that is named for such cells, the _____.
Fill in the blank(s) with the appropriate word(s).
Ans: cnidarians
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The secretory systems of Type III and Type IV pathogenic bacteria differ in their mode of attacking cells in which of the following ways?
A. Type III systems bind to the cellular membrane by slimy mucilage and toxins diffuse across the membrane, whereas Type IV systems infect materials using pili as transfer tubes. B. Type IV systems bind to the cellular membrane by slimy mucilage and toxins diffuse across the membrane, whereas Type III systems infect materials using pili as transfer tubes. C. Both systems attach to cells in the same way but they differ merely in the chemicals that they inject into the host cell. D. Type III systems use flagella modified as "syringes" to inject materials into cells they are infecting whereas Type IV systems use modified pili as transfer tubes. E. Type IV systems use flagella modified as "syringes" to inject materials into cells they are infecting whereas Type III systems use modified pili as transfer tubes.
How did the control group differ from the
experimental group in the butterfly experiment? a. They were different species. b. Their native habitat area of the forest differed. c. They tasted worse. d. They were white-patterned. e. They preferred different flower species.
What occurs during a modified radical mastectomy?
A. Only the breast is removed. B. Only the lump is removed. C. The breast, lymph nodes, and pectoral muscles are removed. D. The breast and underarm lymph nodes are removed.
Which of the following organs serves as a storage depot for many vitamins and minerals?
What will be an ideal response?