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irakobra [83]
3 years ago
6

How many chromosomes does a normal human cell have

Biology
2 answers:
Bess [88]3 years ago
5 0

Answer:

in total it's 46

Explanation:

trasher [3.6K]3 years ago
4 0

Answer:

46

Explanation:

A human cell has 46 chromosomes, 23 from the sperm cell and 23 from the egg cell.

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Seismic waves can be measured and recorded by devices called _______. These devices record the seismic wave vibrations as jagged
Radda [10]
Seismometers <span>are instruments that </span>measure<span> motion of the ground, including those of </span>seismic waves<span> generated by earthquakes, volcanic eruptions</span>
4 0
3 years ago
The theory of evolution may have seemed reasonable when it was introduced because the complexity of the living cell was not unde
fomenos
This is true and false. It's formulated very confusing. I'd be more inclined to stay the statement is false because the theory of evolution didn't seem reasonable because we didn't know the complexity of living cells but rather because it was in line with the predicitons made by the theory and it made more epistemological sense that did creationism. 

Read more on Brainly.com - brainly.com/question/1194296#readmore
6 0
3 years ago
What are 3 example for:
yulyashka [42]

Examples of positive and beneficial mutation:

  • Antibiotic resistance by bacteria
  • Almond tree gene mutation
  • Humans immunity to HIV

Examples of negative and harmful mutation

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  • Frame shift mutation
  • Cancer

Examples of neutral mutation;

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  • Silent point mutation
  • Missense mutation

<h3>What are mutation?</h3>

Mutations are results from change in gene structures that leads to variations in form that can be transferred or passed down to generations. This is usually caused by alterations in the single base unit of DNAs by insertion, deletion or rearrangement of genes or chromosomes.

Positive and beneficial mutations result in retained from of adaptation like antibiotic resistance by bacteria, harmful mutation causes harm such as cancer, while neutral has little or no effect example, silent mutations.

Learn more on mutations here: brainly.com/question/17031191

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5 0
2 years ago
Write a 500-word research report on a pathogenic bacterium that is not discussed in this unit (you may choose one from the table
Airida [17]

Answer:

To describe historical landmarks of medical microbiology

To describe Koch’s Postulates

To describe the characteristic structures and chemical nature of cellular constituents that distinguish

eukaryotic and prokaryotic cells

To describe chemical, structural, and functional components of the bacterial cytoplasmic and outer

membranes, cell wall and surface appendages

To name the general structures, and polymers that make up bacterial cell walls

To explain the differences between gram negative and gram positive cells

To describe the chemical composition, function and serological classification as H antigen of bacterial

flagella and how they differ from flagella of eucaryotic cells

To describe the chemical composition and function of pili

To explain the unique chemical composition of bacterial spores

To list medically relevant bacteria that form spores

To explain the function of spores in terms of chemical and heat resistance

To describe characteristics of different types of membrane transport

To describe the exact cellular location and serological classification as O antigen of Lipopolysaccharide

(LPS)

To explain how the structure of LPS confers antigenic specificity and toxicity

To describe the exact cellular location of Lipid A

To explain the term endotoxin in terms of its chemical composition and location in bacterial cells

INTRODUCTION TO BACTERIOLOGY

Explanation:

4 0
3 years ago
Water can absorb more heat than land, but water does not increase in temperature as fast because it has a high A) polarity. B) s
kenny6666 [7]

Answer;

-Heat capacity

-Water can absorb more heat than land, but water does not increase in temperature as fast because it has a high heat capacity.

Explanation;

-Heat capacity is the capability of water to absorb heat without undergoing an increase in temperature. For water to increase in temperature, its molecules must be made to move faster within the water; which requires breaking hydrogen bonds that absorbs heat.

4 0
3 years ago
Read 2 more answers
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