Which statement about euglenoids is FALSE?

a. They have a pellicle.
b. They are unicellular.
c. They are all photosynthetic.
d. Their cells contain mitochondria.
e. They have 9 + 2 arrangement of microtubules in their flagella.


a

Biology & Microbiology

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Assuming that all is working properly, which of the following is at a higher energy level?

A. An excited-state reaction center chlorophyll B. An excited-state antenna chlorophyll

Biology & Microbiology

Four of the five items listed below are cytoplasmic

organelles. Select the exception. a. nucleolus b. mitochondrion c. ribosome d. Golgi body e. chloroplast

Biology & Microbiology

How does ocean fishing affect marine ecosystems today?

A. Because the oceans are so large, they are the one remaining natural ecosystem that is not susceptible to extinction. B. Ocean fishing has resulted in overexploitation in 11 of the 15 major oceanic fishing areas. C. Only 2 of the 15 major oceanic fishing areas are considered overexploited. D. There has been an increase of bottom-dwelling ocean fish, but schools of swimming fish have declined. E. Bottom-dwelling fish are frequently overfished by trawling, but schools of swimming fish that can easily get away are increasing.

Biology & Microbiology

The hormone that triggers "let down" or milk release is

What will be an ideal response?

Biology & Microbiology