HELP NOW PLEASE ANSWER THE QUESTIONS IN THE PICTURE BELOW
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Biology, 22.06.2019 07:30
Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.
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Biology, 22.06.2019 20:30
Tay-sachs disease is a human genetic abnormality that results in cells accumulating and becoming clogged with very large, complex, undigested lipids. which cellular organelle must be involved in this condition?
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Biology, 23.06.2019 05:30
Rank the following one-base point mutations (from most likely to least likely) with respect to their likelihood of affecting the structure of the corresponding polypeptide: 1. insertion mutation deep within an intron 2. substitution mutation at the third position of an exonic codon 3. substitution mutation at the second position of an exonic codon 4. deletion mutation within the first exon of the gene a) 1, 2, 3, 4 b) 4, 3, 2, 1 c) 2, 1, 4, 3 d) 3, 1, 4, 2 e) 2, 3, 1, 4
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Biology, 23.06.2019 05:30
An organ composed mainly from epithelial and nervous tissues converts vibrations into impulses that are sent to the brain . which organ could this be ?
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