__________ are found in BOTH viruses AND in living single-celled organisms, such as protozoans and bacteria.

Answers

Answer 1

Answer: The answer for that question is DNA or RNA.

Answer 2

Answer: To be more specfic, DNA.

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Many plants have a waxy cuticle to prevent them from losing water. This is made ofA. lipids.
B. nucleic acids.
C. starches.
D. protein.

Answers

Answer: A. lipids.

Explanation:

Cutin: This is a long-chain fatty acid polymer, that enters the spaces between the cellulose microfibrils of the epidermal cell wall, making her cutinized. It is later deposited externally and together with the wax forms the cuticle. The cuticle helps to restrict sweating; being bright helps to reflect the excess of solar radiation and being a substance that is not digested by living beings, it also acts as a layer, protecting against the action of fungi and bacteria. Cuticle formation begins in the early stage of organ growth.

The waxy cuticle is made of A.lipids

♡♡Hope I helped!!! :)♡♡

Which is the role of restriction enzyme.

Answers

The role of a restriction enzyme is essentially used to cut a single gene from a larger piece of DNA. It has a very important role to play in experiments investigating cloning, and in the construction of particular DNA molecules.

Answer:

B. to cut DNA into fragments of different lengths

(on e2020)

just got a 100%

Which example illustrates Darwin's main contribution to the theory of evolution? A. An agricultural pest has been exposed to a pesticide that wipes out the entire species. B. In a laboratory, a scientist chooses the most intelligent mice and breeds them to advance the species. C. When exposed to antibiotics, most bacteria in a population die but some survive and live to reproduce. D. In the African savannah, a scientist observes that a wildebeest calf has inherited its coat pattern from its father.

Answers

"When exposed to antibiotics, most bacteria in a population die but some survive and live to reproduce" is the one example that illustrates Darwin's main contribution to the theory of evolution. The correct option among all the options that are given in the question is the third option or option "C". I hope it helps you.

Answer:

C. When exposed to antibiotics, most bacteria in a population die but some survive and live to reproduce.

Explanation:

Darwin suggested natural selection as the mechanism that explained the evolution of species. This idea states that a population of individuals living in a certain environment is adapted to thrive in it. However, if there is a change in the environment, individuals must adapt in order to survive, otherwise they will die. Only a handful of individuals which had a particular (and random) variation before the change of the envirnonment will be able to adapt and survive. If the variation is heritable, the next generation will have that same trait and will be able to thrive in the new environment.

In the answer C., a population of bacteria is composed of some individuals which are susceptible to the antibiotic and some individuals that are resistand because they possess a mutation in their DNA that allows them to survive an environment with antibiotics. If no antibiotic is present, then both types of bacteria can survive. However, if they are exposed to the antibiotic, the previously resistant bacteria are the only ones that will be able to survive and reproduce.

How does the motion of particles in a gas change as the gas cools?They move more slowly.

They move in a more circular pattern.

They move faster.

They move more randomly.

Answers

A they move more slowly

yes the answer would be (A) its back to the basics guys and if you dont get the question, here let me help basically think about this logically if you heat up a cube of ice whats it going to do freeze? obviously not its going to melt so the same thing applies vice versa if water is cooled will it melt? no its going to freeze when heat is applied to something the molecules tend to vibrate and sometimes sense molecules in solid are very close together when heat is applied those molecules start to move and sometimes if heated enough the molecules will start moving in a weird pattern and go passed each other by then it would have probably been a liquid now as for gases their molecules are incredibly spread apart they are going everywhere they are flying passed each other so think about the basics when something is heated its molecule vibrate fast when something is cooled its molecules movement slow down so just think about that little sentence I just said and apply it to gasses when gas is cooled its molecules will slow down due to the temperature sorry this was so long I just wanted you guys to understand this because you need to know this so you can understand everything else see ya!

Which one of the following is a characteristic of a metal? A. Changes the color of litmus paper to red
B. Conducts heat readily
C. Reacts with bases to produce salts
D. Becomes negative when combined with other elements

Answers

B) Most metals conduct heat readily. In pure elemental forms, theyneither have basic or acidic properties. Other properties includemalleability, high melting points, high densities, and electricconduction.

the answer is B conducts heat rapidly

What is the pH range of highly acidic substances?

Answers

pH stands forthe power of hydrogen. pH that ranges form 1-6.9 are acid substances. At pH 1 -2.9, the substance is highly acidic. At pH 3 - 4, the substance is mildly acidic.At pH 4.1 – 6.9, the substance is weakly acidic. At pH 7, it is neutral. At pH7.1-14, it is basic. At pH 7.1 - 10.9, the substance is weakly basic. At pH 11- 13, the substance is mildly basic. At pH 13.1 – 14, the substance is highlybasic.

The pH is acids are 1-7, while 7 is neutral.

The highly acidic substances are ranging between 1 and 3, while 1 is the MOST acidic.

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How many neurons are found in the human body?

If during cellular respiration, 5 molecules of glucose undergo aerobic respiration, how many Carbon Dioxide molecule is produced? Explain how did you get your answer by citing the equation above as your evidence.

Name some broad-spectrum antibiotics?