BIOLOGY HIGH SCHOOL

Explain why something with only one cell can be considered to be an organism.

Answers

Answer 1
Answer: Regardless of being unicellular or multicellular, any individual form of life capable of growing, metabolizing nutrients, and usually reproducing is an organism.

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True or False: sow bugs are insects
Minerals are micronutrients required by the body for various key functions. The mineral _____ (a. calcium; b. iron; c. sodium) is required to carry oxygen in the blood to all body tissues, and _____ (a. vegetable oil; b. red meat; c. milk) is a rich source of this mineral.Minerals are micronutrients required by the body for various key functions. The mineral is required to carry oxygen in the blood to all body tissues, and is a rich source of this mineral.
Chemical reactions within the body sometimes require special proteins called _____ to catalyze the reaction
What would happen if cytokinesis took place before mitosis?
What kind of bones do birds have?A. hollowB. narrowC. thinD. cartilage

Fats are broken into saturated fats and unsaturated fats. Which of these explains the difference between saturated and unsaturated fats?A) Saturated fats have no hydrogen in the molecule.
B) Saturated fats have more carbon atoms than unsaturated fats.
Eliminate
C) Saturated fats have only single bonds on all the carbon atoms.
D) Saturated fats have only double and triple bonds on the carbon atoms.

Answers

i think it is D because Saturated fats have only double and triple bonds on the carbon atoms will be 

Which of the following is not a form of genetic recombination in bacteria? A. Transduction B. Binary fission C. Transformation D. Conjugation

Answers

Binary fission is not a form of genetic recombination in bacteria
binary fission is not classified as recombination in bacteria

Why is the model used to describe the plasma membrane called the fluid mosaic model?

Answers

Answer:

Because proteins and lipid tails are free to move and are not bonded by strong interactions with each other.

Explanation:

The plasma membranes have two layers of phospholipids in which proteins are present. The hydrophobic fatty acid tails of phospholipid layers make the inner core of the membranes. However, the tails are not bonded to each other and make a fluid-like base in which proteins are present. Also, the membrane proteins are not bonded to the phospholipids and are free to change their position within the phospholipid leaflets. This is why the model is described as a fluid mosaic model.

What is the largest organ in the body? the eye the brain the heart the skin

Answers

This question can actually be tricky since everyone always says that the liver is the largest one. The largest internal organ of the body is liver, however, the largest external organ (generally) is the skin. The organ, skin covers our whole body which would obviously be the largest one.

Answer:

The skin

Explanation:

Scientific consensus supports the idea that living organisms require oxygen. Then, a scientist discovers a type of bacteria that metabolizes sulfur instead of oxygen, and thus survives in environments without oxygen. The scientist concludes that a diverse group of many different organisms could live in an oxygen-free environment. Why should are some scientists skeptical of the scientist’s results and conclusion?

Answers

The answer is that the conclusion needs to be supported by more evidence.

It is not enough to find some type of bacteria that can live in an oxygen-free environment to conclude there are many different organisms that also can. It is necessary to know what mechanisms of the organisms are responsible for such characteristics that help them  survive in environments without oxygen. There must be more evidence from different group of organisms that will confirm the conclusion.

Scientific consensus supports the idea that living organisms require oxygen. Then, a scientist discovers a type of bacteria that metabolizes sulfur instead of oxygen, and thus survives in environments without oxygen. The scientist concludes that a diverse group of many different organisms could live in an oxygen-free environment.


The reason why some scientist should be skeptical of the scientist’s results and conclusion is to evaluate experimental procedures and it also helps scientists recognize when ideas are not supported by evidence. This is the way that this theory can become a scientific consensus.


I hope it helps, Regards.

a population of chimpanzees was separated when the forest that they lived in had a section cut down and a town was built. After a long period of time, the chimpanzees came back into contact but were incapable of breeding. Which of the following best describes the process that occurred?

Answers

Answer:

artificial selection

Explanation:
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