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Hunter-Best [27]
3 years ago
11

Which of the following characteristics least relates to prokaryotic cells?

Biology
1 answer:
miv72 [106K]3 years ago
6 0

Answer:

2

Explanation:

Prokaryotic cells don't have a nucleus or membrane bound organelles

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Why would be a consequence if plants could not go through Phototropism?
max2010maxim [7]

Answer:

Explanation:

Phototropism is the growth of organism characterize by their response to light stimulus. It occurs mainly in plant and some Algae.

The response of plant to light enable them use energy from light needed for photosynthesis.

Plant Phototropism characterise some plant growth and development such as flowering,fruiting and seedling formation.

Inability of plant to respond to light reduces it ability to photosynthesize and make sugar needed for their activities ,flower and fruits. It reduces it growth and development.

We have positive and negative response. Positive response is the response of plant towards the direction of light while negative response is the response of plant away from light.

3 0
3 years ago
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which cross section best represents the pattern of sediments deposited on the bottom of a lake as the velocity of the stream ent
Anvisha [2.4K]

underground creatures

Explanation:

because man never knows what is going on under water all the time

5 0
2 years ago
Match the staining techniques with their purpose.
Dennis_Churaev [7]

A Negative stain such as India ink or Congo red-Look for the presence of a capsule.

This stain method is usually used to stain the area around the microorganism.

B The Gram stain-Divide bacteria into two groups based on cell wall structure (thick vs. thin).  

This is type of differential staining used to distinguish organisms based on their staining properties. Gram + and Gram- bacteria stain different because of different cell wall structure.

C The Ziehl-Neelsen Acid-fast stain- Identify bacteria with waxy cell walls such as: Mycobacterium tuberculosis (the cause of TB).  

This is also differential staining method which uses heat and phenol to derive dye into the cells with lipid-rich walls.

D Simple stain with a basic dye-Stain microbes a bright color to make it easier to see them in bright field microscopy.

One dye is used in simple staining in order to determinate the size, shape and arrangement of the cells.

E The Schaeffer-Fulton Endospore stain-Identify Bacillus or Clostridium species, such as the causative agents of anthrax, botulism, tetanus and gangrene.  

This is a special type of staining only used for the bacteria that can form endospores. Bacteria are first treated with heat and then with malachite green, which is very strong stain that can penetrate endospores.

5 0
3 years ago
Structures located at the ends of eukaryotic chromosomes are called ________. telomerases permissive mutations telomeres centrom
4vir4ik [10]

Answer:

telomeres .................

7 0
2 years ago
Describe the formation of a fruit in an angiosperm?
jolli1 [7]
A fruit<span> is the seed bearing structure in flowering plants </span>angiosperms form<span> from the ovary after flowering. </span>Fruits<span> are the means by which </span>angiosperms<span> disseminate seeds. </span>
5 0
3 years ago
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