In insects, as in humans, the presence of a Y chromosome determines maleness.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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What mechanism used for mobilization of transposable elements can lead to deletions in genomes?

A) Transposase sometimes deletes genomic DNA while removing DNA transposons from the genome. B) Alignment of two transposable elements is required for mobilization and misalignment can result in deletions. C) RNA polymerase transcribes transposable elements; when it makes mistakes, DNA nucleotides are sometimes deleted. D) Piwi RNAs inhibit movement of transposons by deleting DNA that includes and surrounds the inverted repeats.

Biology & Microbiology

Archaea are prokaryotes that are often found in inhospitable conditions such as hot springs and salt marshes

Indicate whether the statement is true or false

Biology & Microbiology

The region of the retina where the cone cells are most densely packed and images are sharpest is called the _____________ centralis.

A) cornea
B) iris
C) sclera
D) fovea
E) Select

Biology & Microbiology

Gene therapy strives to ________

A) mitigate the symptoms of a disease state B) cut out defective genes C) provide new gene sequences to make people stronger D) cure the disease state

Biology & Microbiology