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Marina86 [1]
3 years ago
12

What is one defining feature of a prokaryotic cell?

Biology
2 answers:
mr Goodwill [35]3 years ago
6 0

The correct answer is (b) Organelles are not membrane- bound

The most characteristic feature of prokaryotes is that they lack membrane bound organelles. They have protoplasm, ribosomes, cytoplasm but none of them are membrane bound. All the organelles that are present inside the cell are dissolved in cytoplasm. They also lack nucleus.

Natasha2012 [34]3 years ago
3 0
The defining feature of a prokaryotic cell is C. Membrane- bound organelles.

I hope this helps! :>
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8. Genetic engineering has directly increased productivity in which<br><br> U.S. industry?
frosja888 [35]

Answer:

Agriculture  

Explanation:

Genetic engineering can be defined as the use of genetic techniques aimed at modifying the genome of living organisms, thereby being used to develop Genetically Modified Organisms (GMOs). In the USA, genetic engineering methodologies have been used in agriculture to improve crop yields and reduce costs (for example, by reducing the need to use pesticides). Some of the most important genetic engineering techniques that nowadays are being used in agriculture research include biolistic transformation, <em>Agrobacterium</em>-mediated transformation, the CRISPR-Cas9 genome editing system, etc.

8 0
3 years ago
The _ has several functions. It supports the body, permits movment
Basile [38]
Hey there! 

The correct answer to your question is: Skeletal System

The Skeletal System has several functions. It supports the body, permits movement, and protects our organs from damage. 

Thank you!
5 0
3 years ago
Read 2 more answers
What is the difference between an organisms habitat and its niche?
djyliett [7]

Answer:

Organism's habitat (where a species live) can be described as all of the biotic and abiotic factors in the area where an organism lives.

Ecological niche (how species live) is composed of all of the physical, chemical, and biological factors that a species needs to survive, stay healthy, and reproduce. Niche includes food, abiotic conditions, and behavior.

4 0
3 years ago
What observations are consistent with the conclusion that DNA serves as the genetic material in eukaryotes? Select the four corr
11111nata11111 [884]

Answer:DNA is shown to be the genetic material in bacteria and some phages.

DNA is shown to be present in mitochondria, chloroplasts and nucleus, where genetic function is performed

Specific genes can be isolated and spliced into bacterial DNA, which can be inserted into a bacterial cell, and then its genetic expression is monitored.

DNA and RNA are found to be the only macromolecules in eukaryotes that consist of a set of subunits which can combine in unique sequence

Explanation:

1. Lipds is another macro molecule with different subnits  of  fatty acids and glycerol,therefore the option ( DNA is found to be the only macro molecule in Eukaryotas that has different sub units) is WRONG.

2 The   correlation of action and absorption spectra varies with different organisms DNA. e..g  in viral cells  there is a wide difference between the absorption and action spectra, that is no correlation, while  some bacterial cells showed correlations. The option(For DNA, content in various cell types action and absorption spectra of ultraviolet light are correlated IS WRONG.

4 0
3 years ago
_________ are chemicals nonhumans secrete into the environment that produce a reaction in other members of the same species, per
irina [24]
The Answer: pheromones
3 0
3 years ago
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