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Questions in biology

[Answered] Which set of substances requires either channel or transport proteins in order to cross the cell membrane? A. $N _2, H _2 O , C _6 H _{12} O _6$ B. $H _2 O , NaCl , C _6 H _{12} O _6$ C. $N _2, H _2 O , NH _3$ D. $NaCl , NH _2 CONH _2, O _2$

[Answered] 4. neuroscience: 5. neuron: A nerve cell 6. synaptic blooming and pruning: 7. Name reasons why sleep is vital. a- b-

[Answered] Syndesmoses are A. cartilaginous joints. B. fibrous joints. C. synovial joints.

[Answered] What are both chromosomes and genes made from?

[Answered] Adaptation means a: A. loss of function. B. replacement of a lost prosthetic. C. loss of the swallow reflex. D. change in neurotransmitter activity in the cerebellum. E. change in function or structure to meet new conditions.

[Answered] Which of the following is formed when a group of tissues works together to perform a common function? A) Body B) Brain C) Organ D) Organ system

[Answered] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Answered] Which statement correctly identifies the products of aerobic respiration? A. [tex]$CO _2+ H _2 O$[/tex] B. [tex]$C _6 H _{12} O _6+ O _2$[/tex] C. [tex]$CO _2+ H _2 O + O _2$[/tex] D. [tex]$C _6 H _{12} O _6+ O _2+$[/tex] energy

[Answered] Includes areolar, adipose (fat), and reticular tissue. Select one of four A. Simple connective tissue B. Dense connective tissue C. Complex connective tissue D. Loose connective tissue

[Answered] Why does the aquarium trade contribute to the introduction of nonnative species? A. Exotic species can escape or be released to local ecosystems. B. Aquarium owners do not always understand how ecosystems interact. C. Nonnative fish are shipped worldwide for aquariums. D. All of the above.