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asambeis [7]
3 years ago
13

True/False: Eukaryotic cells are ONLY single celled

Biology
1 answer:
fomenos3 years ago
8 0
The answer is true, they are only single celled!
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A microbiologist has identified a new gram-negative pathogen that causes liver disease in rats. She suspects that the bacterium’
valina [46]
<h2>Koch's postulates </h2>

Explanation:

Koch formulated a set of criteria that could be used to identify the pathogen responsible for a specific disease and these criteria came to be known as Koch’s postulates:

The organism must be regularly associated with the disease and its characteristic lesions

The organism must be isolated from the diseased host and grown in culture

The disease must be reproduced when a pure culture of the organism is introduced into a healthy, susceptible host

The same organism must be re-isolated from the experimentally infected host

In the given hypothesis , Koch's postulates could be used as:

1) identify pathogen associated with disease 2) isolate or purify pathogen 3) test subject gets pathogen 4) same disease/ causes liver disease or not

3 0
3 years ago
What is the difference between a species and a population?What is the difference between a species and a population?
WITCHER [35]

Answer:

A population is a group of organisms of the same species, in the same place

A species is a group of organisms that are genetically similar

Explanation:

I like to remember it with humans.

Humans (homo sapiens) are a species. We are all genetically similar and can share genetic material by reproduction.

In a city, a lot of humans are together and that is a population of humans

As a species however, we are all over the place

5 0
2 years ago
What are meristematic tissues?
svetlana [45]
Meristematic tissue is the dividing tissue present at the growing regions of the plants. They are meant for growth of an organ Cells of meristems divide continuously and help in increasing the length and girth of the plant
The cells of this tissue are similar in structure and have thin cellulose cell walls
The cells do not contain any intercellular space between them 
The cells contain few vacuoles or no vacuoles at all
They are further divided in the following parts
1)Apical meristem
2)Lateral meristem
3)Intercalary meristem
3 0
3 years ago
Read 2 more answers
Why are many cells wired together in a typical photovoltaic panel? To decrease the movement of electrons. To stop the electrical
shusha [124]
The higher the number of cells getting wired together in a photo-voltaic cell, the higher its electricity or energy yield would be. In addition, the primary function of a PV panel is to convert light energy from the sun directly into electrical energy in a form of voltage that could be used by electricity-consuming devices.
5 0
3 years ago
Mutations such as polyploidy and crossing over provide the genetic basis for
EleoNora [17]

Answer;

Evolution

Mutations such as polyploidy and crossing over provide the genetic basis for evolution.

Explanation;

Evolution is the change in the characteristics or traits of a species over several generations and relies on the process of natural selection.

It occurs when some individuals or some alleles (alternative form of gene) reproduce themselves more than others,increasing their prevalence in subsequent generation.

Polypoidy and crossover brings about mutations that cause changes in characteristics and traits over time resulting to evolution.

4 0
3 years ago
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