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emmasim [6.3K]
3 years ago
10

Jamal is asked to write a science essay about molecular forces. He first turns to his science textbook for information. Which is

the BEST second source for Jamal’s research? A) a magazine B) a newspaper C) a scientific journal D) a science-fiction novel
Biology
1 answer:
bazaltina [42]3 years ago
8 0
The appropriate answer is c. a scientific journal. A scientific journal is a collection of papers based on topics in science that have been written by experts in their fields. Individuals with a masters or doctorate in various subject areas are published here.

From the list given this is the best second source for the research. Science fiction novels and not real and so would be unacceptable. Magazines and news papers reporting on scientific research most likely get information from scientific journals.
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Natalija [7]

-Archaebacteria, Eubacteria, Animalia, Protista, Fungi, Plantae

Both A and C would be out since mammals and species are not kingdoms
Now we would be left with both B and D after looking at both answer I choose B since Insectae is not a kingdom
Hope that helped
7 0
2 years ago
The doubling time of a type of bacteria is 43 minutes. If every bacterium reproduces, then after 43 minutes a population of 1024
mafiozo [28]
D
Just double the amount of bacteria.
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3 years ago
Explain the purpose of the cell cycle with mitosis. What might be the result if cells did not
gulaghasi [49]
The cell cycle is a series of stages of a cell growing and dividing. If the cells did not go through the process the result would be no reproduction. The cells will be shortly lived and die.
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2 years ago
Mr. Palazzo, a fisherman in his late 60s comes to your clinic complaining of small ulcers on his forearms, face and ears. He has
azamat

Answer:

Most likely diagnosis is Basal Cell Carcinoma (BCC), most likely caused by years of prolonged exposure to sunlight over time.

Explanation:

Basal Cell Carcinoma (BCC) is a common type of skin cancer that develops when the basal cells that is responsible for producing new skin cells when they die, become mutated and causes the basal cell to abnormally multiply rapidly and continues to grow. The accumulation of these abnormal cells is what results  in cancerous tumors that appears like ulcers on the skin. Prolong and intense exposure to the ultraviolet (UV) radiation from sunlight has been linked to the most likely cause for the mutation of the DNA in the basal cells which leads the abnormal cell growth and multiplication. People who expose themselves to the radiation of the sun for longer periods, over time, are at high risk of developing this cancer.

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