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Marizza181 [45]
3 years ago
6

The observations of Hooke and van Leeuwenhoek documenting the existence of microscopic cells formed the basis of what important

theory?
Biology
1 answer:
Mrac [35]3 years ago
7 0

Answer:

Cell theory

Explanation:

Robert Hooke modified the compound microscope and observed the microscopic organisms and the rectangular blocks of cork cells. He named the blocks called cells.

Similarly, Anton van Leeuwenhoek observed the living fungus growing on the bread with microscope and observed that these organisms are composed of the same cells.

Later the Schleiden and Schwann observed the plant tissue and animal tissue independently and found that these are made of the cells. This lead to the formation of the cell theory that all living organisms are made of cells.

Thus, cell theory is the correct answer.

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ATP is used as a method of...
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A. converting chemical energy into a food.

This process is known as phosphorylation. Glucose can be converted into Glucose-6-phosphate by the addition of the phosphate group from ATP. ATP serves as the biological energy company, releasing energy for both anabolic and catabolic processes and being recharged by energy generated from other catabolic reactions.

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Which cause is most responsible for cystic fibrosis (environmental, recombination, mutation)?
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1. A dominant gene (A) causes yellow color in rats, the dominant allele on another independent gene (R) produces black coat colo
Novosadov [1.4K]

Answer:

Parents: Yellow (Aarr) and Grey (AaRr)

Explanation:

Given:

allele A = yellow

allele R = black,

Heteroozygous = gray

Genotypes of the parents:

yellow (Aarr) - female

gray (AaRr) - gray

cross between these

Parents: Yellow (Aarr)  and Grey (AaRr)

Gametes: (Ar, ar) and (AR, Ar, aR, ar)

F1 (Punnet square)

----|----- AR ------|------- Ar ------|------ aR -----|----- ar

Ar | AARr (gray) | AArr (yellow) | AaRr (gray) | Aarr (yellow)

ar | AaRr (gray) | Aarr (yellow) | aaRr (black) | aarr (cream)

Ratio: 3/8 yellow : 3/8 gray : 1/8 cream : 1/8 black

6 0
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Which greenhouse gas has an average lifetime in the atmosphere of a few weeks to thousands of years and is the largest contribut
lapo4ka [179]

Answer:

Greenhouse gases from human activities are the most significant driver of observed climate change since the mid-20th century.1 The indicators in this chapter characterize emissions of the major greenhouse gases resulting from human activities, the concentrations of these gases in the atmosphere, and how emissions and concentrations have changed over time. When comparing emissions of different gases, these indicators use a concept called “global warming potential” to convert amounts of other gases into carbon dioxide equivalents.

Explanation:

Why does it matter?

As greenhouse gas emissions from human activities increase, they build up in the atmosphere and warm the climate, leading to many other changes around the world—in the atmosphere, on land, and in the oceans. The indicators in other chapters of this report illustrate many of these changes, which have both positive and negative effects on people, society, and the environment—including plants and animals. Because many of the major greenhouse gases stay in the atmosphere for tens to hundreds of years after being released, their warming effects on the climate persist over a long time and can therefore affect both present and future generations.

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3 years ago
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