<span>Protists can be unicellular, colonial or multicellular. Each type of protist has its own phylums or divisions. Protozoans are animal-like. Bacteria and other one-celled organisms are typical prey for a protozoa. Some examples of a protozoa are mosquitoes and amoeba. Algae are photosynthetic and are grouped into divisions depending on pigment similarities. A few examples of algae are sea lettuce and kelp. Fungus-like protists are often brightly colored and get their nutrition by absorbing nutrients from their environment.</span>
A substance used, or acted on, by another process or substance such as a reactant in an enzyme catalysed reaction.
Answer:
D.) often exists as a single-stranded molecule
Explanation:
One notable difference between DNA and RNA is that DNA consists of 2 nucleotide strands and RNA consists of 1.
Answer:
I am pretty sure it is water
Explanation:
Answer:
B. Mixture
Explanation:
Steel is an example of a mixture. It's known as an alloy of iron mixed with carbon. The carbon helps to improve its strength and its resistance to fracture. Other percentages of chromium, nickel, vanadium, etc can be added in order to obtain steels of a desired hardness, resistance to corrosion, etc. Due to its high tensile strength, it is used in tools, ships, cars, electrical appliances, weapons, etc.
Please note: I answered this question with my knowledge of steel and to the best of my ability. The passage that was referred to in the excerpt wasn't added for me to use.
