____ is the acquisition of chemical substances by organisms for use as an energy source or as building blocks of cellular structures.
Fill in the blank(s) with correct word.
Answer: nutrition
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This term describes how cells display their genetic characteristics.
A. transcription B. gene expression C. translation D. gene phrasing
Where does the energy come from to drive photosynthesis?
A. A chloroplast B. ATP C. The sun D. Glucose
A phenomenon called _______ refers to an alteration in the number of particular chromosomes so that the total number of chromosomes is not an exact multiple of a set.
Fill in the blank(s) with the appropriate word(s).
Among adults Chlamydia trachomatis is an STD, but among children who are not sexually active, it can cause ocular infections which may be spread
A) by flies. B) in saliva. C) on hands. D) on hands or by flies. E) by contact with saliva or blood.