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4 years ago

What is an example of a prokaryotic cell?

Biology

1 answer:

erastova [34]4 years ago

7 0

Examples of prokaryotic cells include:

bacteria
algae

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Evolution occurs by a process called ______. a Mixing b Artificial selection c Natural Selection d Artificial Insemination

kolbaska11 [484]

C.) natural selection

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4 years ago

g The primary detrimental effect of the presence of large amounts of biodegradable organic materials in water is ________. The p

Lelu [443]

Answer:

It causes oxygen depletion in the water

Explanation:

When the amounts of organic matter in the water are significant, the activity of aerobic bacteria and other decomposers increases.

Organic matter suffers decomposition in the presence of oxygen. Microorganisms degrade it while consuming dissolved oxygen in the process. Bacteria show fast and exponential growth, so the more organic matter, the more aerobic bacteria, and the less available oxygen in the water.

Organisms that usually inhabit these waters are affected by the lack of oxygen. Plants, algae, animals, and other invertebrates that need it to survive, find themselves limited in these environmental conditions. Eventually, they dye and contribute with more organic matter.

Little by little, sedimentation begins caused by the death of vegetables and animals, sinking in the bottom.

When oxygen disappears, anaerobic bacteria grow and act, producing fermentation.

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3 years ago

A Complete the following statements A2 1. Red blood cells (RBC ) are also called Cryihrolyie A2 Bount disc. 2 The shape of a red

Andreyy89

Answer:

The answers are given in bold. The numbering was not clear, so please refer to my revision.

Explanation:

1- Erythrocytes are red blood cells

2-Biconcave is the shape

3- Transport and exchange of gases is the function of RBC

4- Hemoglobin is the oxygen-carrying substance......

5- A mature red blood cell lacks Nuclei

6- White blood cells are also called Leukocytes

7- White blood cells with granular cytoplasm are called Granulocytes

8- White blood cells without granular cytoplasm are called Agranulocytes

9- PMN/ granular leukocyte another name for Polymorphonucléar leukocyte

10- Neutrophils are numerous white blood cells

11- White blood cells with coarse reddish cytoplasmic granules are called Eosinophils

12- Basophils are the least abundant of white blood cells

13- Monocytes are the largest white blood cells

14- Lymphocytes are the small agranulocytes.......

15- Platelets are small fragments that prevents blood loss during injury

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4 years ago

True or False: If one wanted to promote the growth of coliform bacteria, but inhibit the growth of non-coliform bacteria, one wo

Sloan [31]

Answer : True

Enrichment cultures are used to increase a small number of desired organisms

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3 years ago

What processes lead to glacial erosion? Describe them.

boyakko [2]

There are two main processes of glacial erosion. The first that we will talk about is plucking, which is defined as the erosion and transport of large chunks of rocks. As a glacier moves over the landscape, water melts below the glacier and seeps into cracks within the underlying bedrock.

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4 years ago

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