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makkiz [27]
3 years ago
5

What are some factors that can increase or decrease the heart rate and the beat you feel at each pulse point?

Biology
1 answer:
Amanda [17]3 years ago
4 0
One factor is resting and exercising
stress and peace
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3. What atoms are parts of the process of photosynthesis?
AlladinOne [14]

Answer

Photosynthesis involves three elements: carbon, hydrogen, and oxygen. You have seen that the products of photosynthesis are oxygen and glucose. Their chemical formulas are shown below.

4 0
2 years ago
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How did whales evolve from land mammals? Claim,evidence,reason
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Claim: Whales evolved from land mammals to water mammals.

Evidence: The first whales evolved over 50 million years. One of the first whales, such as Pakicetus, were land animals with long skulls and carnivorous teeth, much like many adaptable land mammals back then and today. 

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3 years ago
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Describe the factors that influence an individuals phenotype
atroni [7]

Answer:

Physiology, behavior and morphology are considered as phenotype of an individual as these attributes can be observed. Example of  phenotypes include wing length, hair color, skin color and  height.

<u>There are basically two factors that influence the phenotype:</u>

<u>(1) Genotype or Genetic information of the individual:</u> Some of the phenotypes such as height and skin color are transmitted genetically from generation to generation. Genetic information is the transfer of genes that carry some of the specific genetic information and pass it to another generation which is visible in their phenotype.

(2)<u> Environmental influence:</u> As the phenotype attributes are variable so they are highly influenced by the environment or surrounding they are living. Environmental condition such as temperature, diet, humidity, oxygen levels, and the presence of mutagens affects the phenotype of an individual.

Hence, Genotype and environmental factors influence an individuals phenotype.

7 0
3 years ago
State the application of binomial nomenclature in naming organism​
spayn [35]

Answer:

simplifies the study of names of organisms in common language worldwide to all scientists

7 0
2 years ago
The bacterial transduction experiments done by Hershey and Chase, and the bacterial transformation experiments done by Griffith,
Katarina [22]

Answer:

Hershey Chase  and Griffith experiment supported the same conclusion which was: DNA is the molecular substance of genetic inheritance.

Explanation:

Both experiments have was based on different phenomenon and techniques to prove same conclusion.

Hershey and chase conducted an experiment via bacteriophage which consists to DNA and protein coat that infects bacterial cells. He proved the DNA as genetic material by the help of transduction mechanism (Incorporation of Bacteriophage DNA in to bacterial cells). He used two group of Bacteriophage 1st group of Phage contain radioactively labelled proteins by Sulphur 32 isotope. While 2nd group contain Bacteriophage having P32 labelled DNA to infect Bacterial cells. After the infection, the Reaction tubes subjected to centrifuge and presence of radioactivity was determined in pellet and supernatant. The 1st group show radioactivity in supernatant while 2nd group shows racdioactivity in pellet or bacterial cells.

Griffiths just hypothesized a substance that can be transmitted from dead organism to alive organisms with the help of transformation phenomenon (uptake of Genetic material from the surrounding or environment). He conducted his experiments on <em>Streptococcus pneumonia avirulent and virulent species. </em>By mixing dead virulent species and live avirulent species and injecting into the mice results in the death of an experimental animal. While alone dead virulent species and live avirulent species fail to cause disease in mice.

8 0
3 years ago
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