Biology High School

Whch of the following describes an organism that lacks linear chromosomes but has peptidoglycan cell walls? multiple choice
A. bacteria
B. eukarya
C. archaea

Answers

Answer 1
the answer is A. bacteria

Related Questions

An advantageous mutation is more likely to get fixed in a population through genetic drift than is a deleterious mutation. true/ false

Answers

False: an advantageous mutation can get fixed in a population through genetic drift than a deleterious mutation.

A mutation is a change in the sequence of DNA of an organism. It can be a result of errors in the replication of DNA during cell division, exposure to mutagens, or any infection.

Genetic drift: The fluctuations in the number of variations in genes of a population are called genetic drift. It takes place when the occurrence of variant forms of a gene, called alleles. Which increases or decreases by chance over time.

Deleterious mutation: An alteration of genetic material that increases an individual's susceptibility to a certain disease or disorder. In this mutation, the protein product of a gene is not produced, and if it is produced it does not function, or if produced it interferes with normal function.

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Phagocytosisthe ribosomal rna studies that led to the division of prokaryotic organisms into the bacteria and the archaea were begun by?

Answers

The ribosomal RNA studies that led to the division of prokaryotic organisms into the bacteria and the archaea were begun by Woese.

Ribosomal RNA makes the maximum portion of RNA in the cells. However, it is not translated into proteins. But it plays a major role in the translation of m-RNA. They are responsible for deducing the order of the amino acid sequence and linking the amino acids together to form the polypeptide.

Archaea are a group of organisms that are similar to bacteria, yet have evolutionary differences. They are found in extreme locations like hot spring, salty water bodies, or areas where methane if formed. Therefore, they are also known as extremophiles.

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An iris diaphragm is a set of overlapping metal plates that expand out to allow more light or fold in on each other to reduce the amount of light.
A. true
B. false

Answers

It is true that an iris diaphragm is a set of overlapping metal plates that expand out to allow more light or fold in on each other to reduce the amount of light.

What is Iris Diaphragm?

Iris Diaphragm is an adjustable diaphragm of thin opaque plates that can change the diameter of a central opening usually to regulate the aperture of a lens. It is an adjustable shutter that allows us to adjust the amount of light passing through the condenser.

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