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trapecia [35]
3 years ago
9

Shannon is making a Venn diagram to organize the characteristics of cell walls and cell membranes. Which pair of characteristics

both belong in the two areas of the Venn diagram that do not intersect?
(A) helps with communication; contains mostly cellulose
(B) contains mostly cellulose; forms the outer layer of animal cells
(C) is found in plant cells; is found in animal cells
(D) is semipermeable; found in animal cells
Biology
2 answers:
mafiozo [28]3 years ago
8 0
The answer is B: contains mostly cellulose; forms the outer layer of animal cells
Aleksandr-060686 [28]3 years ago
3 0

The right answer is (B) contains mostly cellulose; forms the outer layer of animal cells.

The so-called pectocellulosic cell wall (consisting of pectin and cellulose) completely surrounds the cells and thereby plays the role of an internal medium of the plant or an inter-cellular medium. It is therefore involved in intercellular exchanges and communications (just like the cell membrane in animals, so A is false).

The cytoplasmic membrane or plasmalemma is located in contact with the cytoplasm, at the boundary between the inside and the outside of the cell.

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Explanation:

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Knowing the epidemiology and causative agent of Legionaries disease what questions would you ask of the victims or of their surv
ioda

Answer:

Answered below

Explanation:

Legionnaires disease is a type of lung inflammatory disease or pneumonia, which is caused by infection from the bacteria Legionella bacterium.

Legionella bacterium can be spread by inhalation from water or soil. People with weakened immune systems are most susceptible as are smokers. Untreated legionnaires disease can progress to a fatality.

Some of the questions to ask of a victim or of surviving relatives include;

1) Any visits to swimming pools?

2) Source of drinking water?

3)Any visits to fountains?

4) Contacts with victims and their personal belongings?

5)Is any relative or victim immunocompromised? Do they have diseases that might lower their immune response?

6) Are they smokers?

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3 years ago
What can you learn about by studying DNA?
elena55 [62]

Answer:

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4 0
3 years ago
Read 2 more answers
Which claim is best supported by the information about scales and feathers?​
alexandr402 [8]

<u>Answer:</u>

Recent evidence suggest that feathers evolved from scales and suggest that 'feathers and pycnofibers' could be homologous.

<u>Explanation:</u>

  • One of the major difficult issue related to bird evolution is the evolution of feathers.
  • Feathers are considered as the most 'complex integumentary structures' which are found in vertebrates.
  • Evolutionary developmental biology suggests that the 'planar scale structure' is been modified for developing into feathers by 'splitting' to form web like structures.
  • Scales and Feathers consist of 'two distinct form of keratin' so it was thought that 'each type was exclusive skin structure' but recent study suggests that they are developmental expressions of same skin structures.
4 0
3 years ago
Which of the following bacteria can grow in low oxygen environment: Salmonella Yersinia Listria monocytogenes Clostridium botuli
AlexFokin [52]

Answer: Clostridium botulinium

Explanation:

An anaerobic bacteria is an organism which does not require oxygen for it's survival. It may not survive or die in the presence of oxygen. These bacteria are used for the process of fermentation for the preparation of beverage and dairy products.

Clostridium botulinium is the example of the anaerobic bacteria. It is found in soil or marine environment in the form of spores. This bacteria is rod shaped. It forms the spores when the conditions for survival is poor. It causes a disease called as botulism.

6 0
3 years ago
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