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Recently Posted Questions in Biology

Amino acid is to proteins as

Nucleotide is to nucleic acid 

Which best describes a rhinovirus? A. A tube the comes off a virus B. A virus that causes a common cold C. A protective shell around a virus D. A piece of DNA transferred by a virus

The right option is; B.  

A virus that causes a common cold best describes a rhinovirus.

A rhinovirus is any of many common infectious viruses in humans and the primary cause of the common cold. Rhinoviruses can be transmitted directly from person to person through contaminated objects or through aerosols of respiratory droplets. Other diseases such as ear infections, sore throats and infections of the sinuses may also be caused by rhinoviruses.

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Which is not a characteristic of fungi

Their cell walls consist mainly of cellulose

What do eukaryotic cells have that prokaryotic cells do not? A.Cell membranes B.DNA C.Cytoplasm D.Membrane-enclosed organelles

Answer:

The answer is D.Membrane-enclosed organelles

Explanation:

Eukaryotic cells have a cytoplasm organized in compartments, with separate or interconnected organelles, limited by biological membranes that have the same nature as the plasma membrane. In the nucleus is the genetic material in the form of chromosomes, where all the necessary information is given so that all the processes both intracellular and outside the cell are carried out.

DNA technology in agriculture.

In agriculture DNA technology is used in cross breeding between two plants, maybe

In the carbon cycle, how is carbon removed from the atomsphere

Oxygen from the atmosphere  is combined with carbohydrates to liberate the stored energy. Water and carbon  dioxide are byproducts. Notice that photosynthesis and respiration are essentially the opposite of one another. Photosynthesis removes CO2 from the atomsphere and replaces it with O2.

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Mr. Jones has blood type B and Mrs. Jones has blood type AB. What is the probability that they will have a child with blood type A if both of Mr. Jones’s parents were AB?

If both of Mr Jone's parents were AB, then the possible blood types of their children would be AA, AB, and BB. This means that Mr Jones has a pure type B blood. Using the Punnett square to determine the possible blood type of their children
    | B   |  B
A | AB | AB
B | BB | BB

The possible blood types of their children are AB and BB. So there is 0 probability that they will have a child of blood type A.

How are viruses different from bacteria? A. Viruses are killed by antibiotics. B. Viruses cannot replicate by themselves. C. Viruses contain only RNA. D. Viruses are unicellular.

Viruses cannot replicate by themselves and depends on other for their nutrition, reproduction & many aspects of life!

So, option B is your answer!

Hope this helps!

__________ energy is the energy that it takes to remove an electron from its shell. Question 2 options: Ionization Electron Polar Quantum Save

Ionization energy is the energy that it takes to remove an electron from its shell.

So, option A is your answer!

Hope this helps!

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Rocks are weathered by

The answer is wind and water

What is the difference between a light microscope and an electric microscope?

Light microscope uses light to illuminate specimens and glass lenses to magnify images whereas an electron microscope uses a beam of electrons to illuminate specimens and magnetic lenses to magnify images. 

The resolution of electron microscope is very high is compared to that of light microscope. It means, for very small objects like nucleus of cell, virus, we can use electron microscope instead of light microscope.

Hope this helps!

Cold air has lower barometric pressure because it is less dense than warm air. A. True B. False

False is more likely the right answer. I've studied in biology in college. Your welcome:)

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A kangaroo has a diploid number of 16. After meiosis, how many chromosomes would be in each cell?

After meiosis the kangaroo's chromosomes each would have 8 in each cell

Lists the levels of organization within an organism

Six levels of Organization in Ecology in sequence are as follows:
1) Individual
2) Population
3) Community
4) Ecology
5) Biome
6) Biosphere

They are from lower to higher division!

Hope this helps!

A snake that eats a frog that has eaten an insect that fed on a plant is

A snake that eats a frog that has eaten an insect that fed on a plant is a FOOD CHAIN

A bird stalks, kills, and then eats an insect. Based on its behavior, which pair of ecological terms describes the bird? herbivore, decomposer producer, heterotroph carnivore, consumer autotroph, herbivore

Answer: Carnivore, consumer

Explanation:

The carnivores are the animals that feed on the smaller organism for their energy. They can be as small as a bird and as bid as a lion.

Consumers are the organism that feed on the producers for their energy needs. Here, the bird is omnivores that feed on insect as well as on plants for their energy needs.

A bird feeding on insect is an example of consumer, carnivore.

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