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Aleonysh [2.5K]
3 years ago
8

Prokaryotes are all around us. Develop an experiment to visualize these microbes from an environmental sample.

Biology
1 answer:
NeX [460]3 years ago
3 0

Answer:

Describe a typical prokaryotic cell. a. It has a cell wall enclosing cell membrane, cytoplasm, ribosomes and nucleoid region with genetic material. It may have a protective capsule, flagellum, pili and plasmids. b. It has a cell wall enclosing cell membrane, cytoplasm, ribosomes and nucleus containing genetic material. It may have a protective capsule, flagellum, pili and plasmids. c. It has a cell wall enclosing nuclear membrane, cytoplasm, ribosomes and nucleoid region with genetic material. It may have a protective capsule, flagellum, pili and plasmids. d. It has a cell wall enclosing nuclear membrane, cytoplasm, mitochondria, vacuoles and nucleoid region with genetic material. It may have a protective capsule, flagellum, pili and plasmids.

Explanation:

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Which of the following cells engulf antigens by phagocytosis and present fragments of them on their own surfaces for recognition
Colt1911 [192]

Answer:

C) Dendritic cells.

Explanation:

Dendritic cells are types of immune cells that carry out immune responses by presenting antigens on its surface to other immune system cells.

They are derived from the bone marrow and have tree-like structures. Dendritic cells are found in the skin, lungs, nose stomach and intestines. They are phagocytes and are antigen presenting cells (APCs).

Dendritic cells work by capturing the antigens from foreign bodies and processing and presenting these antigens on their cell surfaces for recognition and action by other cells of the immune system.

7 0
4 years ago
The native range of a species includes all areas in which it lives.<br> True or false?
Taya2010 [7]

Answer:

i would say false to the question

Explanation:

6 0
3 years ago
Animals represented in Ediacaran fossils are morphologically very similar to modern-day lophotrochozoans. Ediacaran fossils depi
nika2105 [10]

Answer:

Traditionally, these fauna have come to represent an important development in the evolution of life on Earth, because they immediately predate the explosion of life-forms at the beginning of the Cambrian Period 541 million years ago.

Explanation:

hope this helped

4 0
3 years ago
Name the category of pathogen that causes athletic foot, influenza, strep throat, and malaria
topjm [15]
They probably fall into the bacteria catagory

3 0
3 years ago
Which of the following explains how polar molecules form? O A. Electrons are more attracted to one of the atoms involved in a bo
forsale [732]

A. Electrons are more attracted to one of the atoms involved in a bond, this causes the bond to have an asymmetrical shape which explains why electrons are mostly attracted to one (or many) certain atoms

5 0
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