BIOLOGY HIGH SCHOOL

Proteins are polymers.
a. True
b. False

Answers

Answer 1
Answer: False

Proteins are polymers of molecules called amino acids, some contain thousands. Lipids are formed when a glycerol molecule combines with compounds called fatty acids, therefore they are not polymers because they contain one molecule and are not macromolecules. Hope this helps! :)

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The nine different classes of vertebrates includea. four fish classes and amphibians, reptiles, birds, whales and mammals. b. four fish classes and amphibians, reptiles, birds, mammals and primates. c. five fish classes and amphibians, reptiles, birds, and mammals. d. five fish classes and amphibians, reptiles, monkeys, and mammals.
After suffering an accidental brain injury, Kira has difficulty walking in a smooth, coordinated manner. It is likely that she has suffered damage to her:
Which of the following is most likely an example of genetic drift resulting from the founder effect? a. The species’ physical habitat is limited. b. The population expresses a mix of dominant and recessive traits. c. The species occupies a small, specific niche. d. A population commonly expresses traits that are otherwise rare in the species.
You are at the beach on a cold day and you jump into the ocean water, which is only a few degrees warmer than the air. The water feels surprisingly warm and you don’t want to get out. The next day is extremely hot and you jump into the same ocean water. Today the water feels unbearably cold. Did the temperature of the water change? Explain why the water felt so different on both days. Use terms such as hot-free nerve endings, cold-free nerve endings, and desensitization.

What enzyme unwinds or unzips the parent strand?

Answers

The enzyme that unwinds or unzips the parent strand is called helicase. Helicase is a type of protein that is found in all cells.

What is the role of helicase?

Helicase is responsible for unwinding the double helix structure of DNA. Helicase works by binding to the DNA double helix and then using its energy to break the hydrogen bonds that hold the two strands together. This causes the strands to separate, or unzip.

Once the strands are separated, helicase moves along the DNA, unwinding it as it goes. This allows other enzymes to access the DNA and start the process of DNA replication.

Find out more on enzyme here: brainly.com/question/1596855

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DNA Helicase - Which unwinds the parent strand.

Determine whether the study is an experiment or an observational study, and then identify a major problem with the study.A medical researcher tested for a difference in systolic blood pressure levels between male and female students who are 12 years of age. She randomly selected four males and four females for her study.

Answers

Answer:

The study is an observational study because the researcher is simply collecting data from the students.

Explanation:

This case is an observational study since the medical investigator is observing and comparing individuals regarding a difference in systolic blood pressure levels between males and females.

For the study to be an experiment, the researcher should do an intervention on the students, to then collect data and study the effects of it. Also, he should group the students by chance to properly conduct an experiment.

What is genetic ? can you plz give the definitoin​

Answers

Answer:

Genetics is someone that is related to someone else by genes or heredity  

Explanation

What is land pollution?

Answers

when people throw their garbage on the ground

Which of the following is a trace gas?O nitrogen
O ozone
O oxygen
O hydrogen
Help please ASAP

Answers

Answer:

O hydrogen

Explanation:

hope it helps, please mark as brainliest please

Answer:

ozone

Explanation:

Out of the 1% of trace gases it makes up .01% of them.

On the Galapagos islands, Charles Darwin studied many species of finches found nowhere else in the world. Each species had developed unique structures for eating different foods. Darwin's finches are among the best examples of an evolutionary process by which new biological species arise. This process is known as...

Answers

When Charles Darwin stepped ashore on the Galapagos Islands in September 1835, it was the start of five weeks that would change the world of science, although he did not know it at the time. Among other finds, he observed and collected the variety of small birds that inhabited the islands, but he did not realize their significance, and failed to keep good records of his specimens and where they were collected.


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