By tar, I think you mean nicotine. (I Hope). It affects the nerve signals that regulate breathing.
Answer:
<u>Inheriteted/Beneficial</u>
Explanation:
<em>First drop down</em>: "Sickle cell disease is passed on from parent to offspring."
<u>Inheriteted</u>
<em>Second drop down</em>
A increased resistance to a bad thing (malarial parasites) would be <u>Beneficial</u>
Cyanobacteria were important for Earth's early atmosphere because they produce oxygen.
<u>Explanation</u>:
Cyanobacteria is a Phylum consists of the free living bacteria and endosymbiosis. Cyanobacteria is also called blue green algae which obtain energy through oxygenic photosynthesis and releases Oxygen gas in the atmosphere. Cyanobacteria is responsible for the early oxygen production in environment which changed the early reducing atmosphere of the earth into the oxidizing atmosphere that causes the event of great oxygenation that is rusting of the earth. During this period most of the anaerobes extinct or evolve to live as a parasite or symbol on in other hosts.
Answer:
DNA helicase unwinds DNA
Replication fork is formed
DNA polymerase attaches to the primer
DNA polymerase adds nucleotides in the 5' to 3' direction
Okazaki fragments are bound together by ligase
Explanation:
Answer:
I think it's the immune and adaptive systems
Explanation:
Because BOTH link a d work together to defend against germs and harmful substances.