The Moon is much smaller than the Sun, but the moon has greater effect on the tides. A. Because the Moon is brighter at night.
C. Because the Moon is made out of rocks.
B. Because the Moon is much closer to Earth.
D. Because the Sun’s gravity is weaker.

B

Explanation:

the tides are controlled by the moons gravitational pull because it is closer though the sun is bigger it is also the middle of our system and farther away from our planet

isolate genes from eukaryotic cell nuclei C.

Explanation:

A DNA microarray (also commonly known as DNA chip or biochip) is a collection of microscopic DNA spots attached to a solid surface. Scientists use DNA microarrays to measure the expression levels of large numbers of genes simultaneously or to genotype multiple regions of a genome

In an mRNA or gene expression profiling experiment the expression levels of thousands of genes are simultaneously monitored to study the effects of certain treatments, diseases, and developmental stages on gene expression. For example, microarray-based gene expression profiling can be used to identify genes whose expression is changed in response to pathogens or other organisms by comparing gene expression in infected to that in uninfected cells or tissues.