an agent, such as radiation or a chemical substance, which causes genetic mutation.
Each cell has ______<u>(Sorry I don't know this one either)</u>______ genes activated depending on it's job and what kind of cell it is.
It is the presence of ____<u>Lactose</u>____ that causes the repressor protein to fall off and unblock the gene on the lac operon.
If a gene is turned on then it is being ______<u>expressed</u>______.
An additional circular chromosome found in some bacteria that is used in genetic engineering. Plasmid
If it is an animal like an eagle or one who preys on other animals it is a Carnivore, if it is an animal such as a cow or mouse it is herbivore, if it is a mushroom or other fungus it is decomposer, and if it is a plant like a tree or flower it is a producer.
<span>Red blood cells do not contain a nucleus because their purpose is to carry oxygen around the body. Due to the fact these cells do not have a nucleus, their capacity to carry this oxygen is increased greatly.</span>
Answer: an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.
Explanation: