In reference to the feedback loop below, would it be considered a negative or positive feedback loop?  

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There are vaccines that use proteins to activate a person’s immune system. The proteins from some of these vaccines are coded for by using genes from multiple organisms. For example, a hepatitis vaccine may consist of a protein that is made from DNA of multiple organisms. This happens by using yeast cells that have viral DNA mixed into their own DNA. Which of the following is described in this scenario? Note: yeast are single-celled organisms, so a single cell is considered an organism.

Let’s say you are a forensic investigator and have been called to investigate a crime scene. After reviewing the evidence, there are three possible people that are responsible for the crime. You are able to gather DNA evidence from hair found at the crime scene, and send it out to be tested. Forensic scientists present you with the following DNA fingerprint image to compare the DNA from your suspects with the sample from the crime scene: Use this information to answer the next 2 questions.

The ability to bend one’s pinkie finger is a dominant trait. Say one parent is homozygous recessive for the trait crosses with one parent who is heterozygous. What are the chances their offspring cannot bend their pinkies?

The next step is building proteins from this mRNA. This step is called . The mRNA is “read” 3 bases at a time. Each triplet of 3 bases corresponds to a(n) , which is the basic subunit of proteins. We call these triplets .

In the body, proteins are built using DNA. The segment of DNA that codes for a specific protein is referred to as a/an .   The first step of this process involves building mRNA from the DNA. This step is called .

The ability to roll one’s tongue is a dominant trait. Say one parent is homozygous dominant for the trait crosses with one parent who is heterozygous. What are the chances their offspring cannot roll their tongue?

A person’s height is influenced by many genes, which are active at different times throughout a person’s development. Height can be described as:

Information is simply a collection of raw facts such as an employee number or the total hours worked in a week.