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Harman [31]
2 years ago
6

The shape of a dna molecule is best described as an

Biology
2 answers:
balandron [24]2 years ago
7 0

Answer:The shape is a double helix but its kinda like a twisty ladder.

Explanation:

inysia [295]2 years ago
4 0

Answer:

A DNA molecule is best described as a "spiraling ladder."

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During photosynthesis in plants, sunlight is captured by the chlorophyll to produce glucose. What is the source of the carbon in
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I believe it is Carbon-dioxide

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2 years ago
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Deciduous trees lose their leaves every year. T/F
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This is true , trees loose their leaves as a part of growth, also in seasons they loose leaves.
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3 years ago
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Question 8 of 10
jonny [76]

The purpose of control group 2 is to determine if the new drug was a possible method for getting well, i.e., option B.

<h3>What is way of testing medicines?</h3>

In a laboratory, drugs are first subjected to non-human tests. These laboratory tests are performed to determine a level of safety.

The results of these tests are then submitted to the United States Food and Drug Administration (FDA), which determines whether the treatment is safe enough to be studied in human volunteers.

There are various phases involving discovery, clinical trial, review, and safety monitoring.

The purpose of control group 2 is to determine if the new drug was a possible method for getting well

Thus, the correct option is B.

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5 0
2 years ago
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I need help with the question 3
LenaWriter [7]

Answer:

The correct answer is C in presence of oxygen production of acetyl CoA,TCA cycle and electron transport chain occur in a proper order.Whether in absence of oxygen lactic acid fermentation or alcoholic fermentation occurs.

Explanation:

Aerobic respiration occur in presence of oxygen which involves glycolysis,TCA cycle and electron transport chain.Aerobic respiration result in the catabolism of glucose to generate CO2,H2O and ATP.

     But in absence of oxygen or during anaerobic condition pyruvic acid is converted to either lactic acid by pyruvate dehydrogenase or to ethanol through alcoholic fermentation.

7 0
3 years ago
Two biology questions^^^^^^
sweet [91]
23. The answer would be the third option.

24. The answer would be the second option.
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