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3 years ago

Counting the rings on a tree will always tell you the exact number of years it has been alive.

1 answer:

3 0

Hi There!

Counting the rings on a tree will always tell you the exact number of years it has been alive.

I would say a. True

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In one experiment, 100g of starch was broken down by the enzyme in 8 minutes. Calculate the rate of this reaction in terms of am

MArishka [77]

12.5 g/min would be the rate over time

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3 years ago

Label all of the components of this DNA structure with the following terms: Phosphate sugar backbone, nitrogenous base, hydrogen

Hunter-Best [27]

Answer:

Phosphate sugar backbone:

The sugar-phosphate backbone forms the structural framework of nucleic acids, including DNA and RNA. This backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

Nitrogenous base:

Nitrogen bases are the molecules that make up the steps of the ladders. There are four different nitrogen bases, namely; Guanine, Thymine,Adenine and Cytosine.

Pyrimidines are compounds that make a single 6-sided ring. Examples of pyrimidines are Cytosine and Thymine.

Purines on the other hand make 5-sided and 6-sided rings. Examples of purines are Guanine and Adenine.

The nitrogen bases are helped together through hydrogen bonds.

Hydrogen Bonds:

A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.

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5 0

2 years ago

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A florist is processing the plants she received in an order. The plants are shipped in plastic on a truck with misters. When loo

ArbitrLikvidat [17]

<h3>Blight</h3>

➡Gray mold is caused by the fungus Botrytis cinerea.

➡It is a fungal disease.

➡It causes flowers to blight.

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2 years ago

List the four stages of coal formation.

Anastaziya [24]

Answer:

eat, lignite, bituminous, and anthracite.

Explanation:

The stage depends upon the conditions to which the plant remains are subjected after they were buried: the greater the pressure and heat, the higher the rank of coal.

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2 years ago

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What two types of evolutionary evidence, taken together, provide strong evidence for when extinct species most likely diverged f

Black_prince [1.1K]

Homologous and analogous structures are two types of evolutionary evidence, taken together, provide strong evidence for when extinct species most likely diverged from common ancestors, relative to other events happening on Earth.

Several types of evidence support the theory of evolution: If two or more species share a unique physical feature, such as a complex bone structure or body plan, they can all inherit this property from the common ancestor. Physical traits shared through evolutionary history (common ancestor) they say they are homologous. Not all physical properties that look similar are signs of common ancestry. Some physical similarities instead are analogous: they evolved independently in different organisms because organisms lived in similar environments or experienced similar selective pressures.

Learn more about Homologous and analogous structures on:

brainly.com/question/14529788

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1 year ago

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