Biology, 07.09.2019 02:20 kardav0435
Ascientist wants to examine living cells lining the respiratory tract to determine how the cells use tiny hairs to move dirt and mucus away from the lungs. which one of the following instruments would be best, and why?
a. a light microscope, because it allows observations of whole, live cells
b. a transmission electron microscope, because it has high resolving power
c. a transmission electron microscope because it is capable of very high magnification
d. a scanning electron microscope, because it can reveal structures on cell surfaces
e. a scanning electron microscope, because it can be used to observe whole cells without slicing them
Answers: 2
Biology, 21.06.2019 23:10
Getting out of bed is the first goal i tackle each day. 2several small goals are achieved by me as the day progresses. 3when i am riding the bus home or walking the dog, i think about the bigger goals i have for my life. which statement correctly describes the verb tense, aspect, and voice in this paragraph? a.sentences 1 and 2 contain present progressive verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice. b.sentences 1 and 2 contain simple present verbs. sentence 3 contains present progressive verbs. all three sentences use active voice. c.sentences 1 and 2 contain present progressive verbs. sentence 3 contains simple present verbs. all three sentences use active voice. d.sentences 1 and 2 contain simple present verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice.
Answers: 3
Biology, 21.06.2019 23:50
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).
Answers: 2
Biology, 22.06.2019 02:00
Which units ate used to measure both velocity and speed? check all that apply
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Biology, 22.06.2019 08:50
If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because
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Ascientist wants to examine living cells lining the respiratory tract to determine how the cells use...
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