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Oxana [17]
3 years ago
9

Which feature of DNA represents the highest (or most complex) level of structure?

Biology
1 answer:
mario62 [17]3 years ago
7 0
The correct option is CHROMOSOMES.
The chromosomes is the DNA molecule which is made up of all the genetic material of an organism. Chromosomes is found in the nucleus and it has a thread like appearance. A single chromosomes can contain as much as thousand of genes.
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What will happen if the pollen tube pore its content inside the embryo sac?
anastassius [24]

Answer:

Once the embryo sac has developed, pollination has occurred, and the pollen tube has grown into the ovary to make contact with the ovule, fertilization (fusion of egg and sperm) can occur.Typically, the pollen tube reaches the embryo sac via the micropyle (Greek, mikros + pyle = small opening), or opening, in the integuments of the ovule.. There, it discharges its sperm into the embry

Explanation:

The pollen tube enters into the ovule, through the micropyle. Inside the embryo sac, the tip of the pollen tube ruptures and the 2 male gametes are set free near the egg apparatus. Inside the embryo sac, one of the 2 male gametes fuses with the egg nucleus and forms a diploid zygote. This process is called syngamy or true fertilisation.

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3 years ago
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Explanation:

Incinerators are not helpful in reducing pollution as they produce a lot of ash and smoke so it increases the air pollution by burning of waste.

Solar and wind energy are the clean source of energies replacing the fuels. Catalytic converters reduce the air pollution from the exhaust fumes of vehicles.

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A man with type a blood marries a woman with type a blood, and their first baby has type o blood. what are the geneotypes of the
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<span>Answer: 1/4 AA or type A Blood; 1/4 BB or type B Blood; 1/2 AB</span>
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A bacteria culture starts with 200 bacteria and in 1 hour contains 400 bacteria. How many hours does it take to reach 2000 bacte
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Answer:

At 0hr it was 200 bacteria

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Are the fatty acids chains ("tails”) found on the
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they are found on the outside of the membrane.

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