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2 years ago

What is the Linnaean system of classification? Why do scientists classify animals?

Biology

1 answer:

AleksAgata [21]2 years ago

7 0

Answer:

-Linnaean Classification System: Classification of the Human Species.

-Biological scientists have worked to classify earth's organisms in a manner that would help us understand how both the present and the extinct species relate to each other.

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B-lactam-containing antibiotics

Nitella [24]

Answer:

Option-A

Explanation:

β-Lactam antibiotics are the antibiotics that contain β-Lactam rings in their structures like in cephalosporins and penicillin.

The antibiotics act by inhibiting or disrupting the process of cell wall formation in the bacteria which is mediated by an enzyme called penicillin-binding proteins.

To bind covalently to the PBP proteins, the antibiotic has to diffuse through the bacterial cell wall. since the gram-negative bacteria contain an additional lipopolysaccharide layer which decreases the penetration of the antibiotic, therefore, the gram-positive bacteria lacking the additional layer are more susceptible than gram-negative bacteria.

Thus, option-A is the correct answer.

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3 years ago

During the process of polymerization, combine by sharing electrons. this process forms a , which is made of repeating subunits.

Elina [12.6K]

During the process of polymerization, monomers combine by sharing electrons. This process forms a polymer, which is made of repeating subunits. The resulting material is used in a variety of ways.

4 0

4 years ago

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Which one of the following processes can occur in the absence of oxygen

Blizzard [7]

If it’s a multiple choice question, the answer will most likely contain the word “anaerobic”.

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4 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

A molecule that can be used as a molecular clock has a neutral mutation rate of one mutation per 20 million years. How many year

Thepotemich [5.8K]

6*20 = 120

120/2 = 60 million years

6 0

4 years ago

Read 2 more answers