Which of the following is not accurate about genetic mutations? A. Mutations can be harmful & may result in humans developing various genetic
conditions,
B. Mutations can result in proteins becoming non-functional, malfunctioning, or not
changing how they function.
C. Mutations are caused by mutagens, which are substances that cause changes in gene
sequences
D. Mutations always cause changes in the amino acid sequence & therefore negatively
affect the protein.

D

Explanation:

some mutations can be helpful

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the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

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