12) What type of RNA acts like a delivery truck, delivers amino acids to the ribosome for protein synthesis, and then leaves empty again, to go collect another amino acid? A) Transfer RNA B) Messenger RNA C) Ribosomal RNA D) Mitochondrial RNA

Ideally, when recording a crime scene, which tool should investigators should use?

What element is responsible for the color change in the benedictâs test?

The fertilization envelope formed after a sperm contacts an egg prevents polyspermy by what 2 step sequence, one fast and one slow.

which of the following describes translation? A) DNA makes proteins B) RNA makes proteins C) DNA makes RNA D) Proteins act in cells

A change in the atmosphere could affect all the following except

Blood from the left subclavian artery flows into what vessel

What happens to a plant cell in a hypotonic solution?

How do environmental scientists use technology to track gray wolves? A. They use gel electrophoresis to analyze wolf DNA. B. They use biostimulation to promote wolf movement. C. They use acoustics to identify wolves by their howls. D.

2. Read the following scenario: Marc's mother is remodeling the backyard. She decides to replace the grass with a concrete patio, cut down a large tree in the corner by the fence, and replace the rose garden with a rock garden fountain feature.

A student reads the article "Autoimmune Diseases Stopped in Mice" and claims that this research will revolutionize treatment for autoimmune disorders in just a few years.