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zalisa [80]
3 years ago
10

What do the dotted lines, indicated with the arrow, represent in the DNA model above?

Biology
1 answer:
Mariulka [41]3 years ago
8 0

Answer:

The hydrogen bond between complimentary nucleotides.

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This is a nucleotide. Using the diagram, identify the parts of a DNA nucleotide.
svlad2 [7]

Answer: A)

A: phosphate group

B: Deoxyribos

C: Nitrogenous base

Explanation:

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What is the difference between predator and prey?
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Answer: The predator is an organism that lives by feeding on other organisms, while prey is usually the organism that is hunted or killed for food.

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Glucose molecules bond together in a process known as dehydration synthesis. What happens in this process?.
grandymaker [24]

Answer:

During dehydration synthesis, the hydroxyl groups of two glucose molecules join, and water is released in the process.

Explanation:

If the hydroxyl groups are at the same "level" of each other, the bond is called an alpha bond. If they are at different levels, it is a beta bond.

7 0
2 years ago
Chromosomal mutations can have a variety of effects on individuals. Down syndrome is a disorder that causes problems such as mil
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Answer:

The correct answer would be non-disjunction.

Down syndrome refers to the genetic disease caused by the non-disjunction of chromosome number 21.

Non-disjunction refers to the event in which the homologous chromosomes or sister chromatids fail to separate properly during a cell division.

In Down syndrome, the sister chromatids of chromosome 21 fail to separate properly which results in the formation of a gamete with 2 copies of chromosome 21.

When this gamete fertilizes with another gamete, it results in the formation of a zygote with 47 chromosomes, that is, 46 chromosomes + extra copy of chromosome 21.

5 0
3 years ago
Read 2 more answers
1 Explain why animals depend on plants to keep them alive.
Gnoma [55]

1. Animals depend on plants to keep them alive is Plants are producers  they take energy from the sun, nutrients from the earth, and water to grow and have their flowers, seeds, and berries.

They also release oxygen, which all animals, including humans, need to stay. Animals are consumers and they all depend on plants for survival.

2. carbon dioxide and water reach the chloroplasts in leaves is Basically the roots consume the water and transports it up the xylem, which gets it to the leaves. Carbon dioxide contacts the chloroplasts in the leaves via a stomata

3. Two pieces of evidence that show that plants cannot make their own food without light. When plants lack light, they don't deliver chlorophyll (the green pigment in plants), and plants can turn pale green to yellow to white. Plant stems become “leggy,” meaning stems become long and thin and appear to be advancing toward the source of light.

  • The photosynthesis is the only method for synthesizing food. It is commonly believed that about 717.6Kcal energy is required to prepare just 10g of glucose. No energy input no metabolism and therefore no food.

<h3>How are leaves tested for starch?</h3>

The existence of starch in leaves can be tested by the Iodine test. When we remove chlorophyll from the leaf by cooking it in alcohol and then placing two drops of iodine solution, it is a color change to blue indicates the existence of starch.

To learn more about  producers, refer

brainly.com/question/8806324

#SPJ9

7 0
1 year ago
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