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Eva8 [605]
4 years ago
7

Chromosome is to Nucleus as DNA is to ?

Biology
2 answers:
kakasveta [241]4 years ago
8 0

Chromatin

Chromosome, the highest packing level of DNA, is packed in nucleus. DNA strand itself is packed in chromatin. Chromatin is DNA packaging into 30nm fibers that involve DNA strand with scaffolding around DNA proteins, like histones, in eukaryotic cells’ nucleus.

Explanation:

The DNA strand is folded into nucleosomes, bead-like structures on the DNA and fold up into the 30nm fibers. During meiosis and mitosis, the chromatin is super-coiled up into thicker fibers called chromosomes. Chromosomes within the nucleus can be viewed by a light microscope in a cell in metaphase.

Learn More:

For more on levels of DNA check out;

brainly.com/question/8157150

brainly.com/question/2207292

#LearnWithBrainly

lidiya [134]4 years ago
6 0

Answer:

Chromosome is to Nucleus as DNA is to chromosome

Explanation:

The DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA that is tightly coiled around proteins called histones.

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The secondary level of consumers will be affected trace amounts of pesticides, like DDT, that run off into lakes, streams and ponds.

<h3>What are Producers</h3>

Producers are mainly plants that undergo photosynthesis to produce carbohydrates and oxygen.

<h3>Consumers</h3>

Consumers are herbivores or canivores or omnivores that feed on primary producers like plans and others.

  • Consumers can be primary which feed on plants examples are goats.
  • Secondary consumer are canivores that feed on meat of other animals, they feed on primary consumer.
  • Tertiary consumers feed on both plants and meat of other plants.

Therefore, The secondary level of consumers such as fish will be affected trace amounts of pesticides, like DDT, that run off into lakes, streams and ponds because they live in water and their food is in water. Once the substances are in their water, it will become toxic and can lead to their deaths.

Learn more about producers and consumers from the link below.

httos://brainly.com/question/995103

5 0
2 years ago
Identify the phase of mitosis described in each step, and then put the steps in the correct order.
Damm [24]

Answer:

i think its c

Explanation:

5 0
3 years ago
Name 3 types of muscles and where they are found
S_A_V [24]
The 3 types of muscle tissue are cardiac, smooth, and skeletal. Cardiac muscle cells are located in the walls of the heart, appear striated, and are under involuntary control. Smooth muscle fibers are located in walls of hollow visceral organs, except the heart, appear spindle-shaped, and are also under involuntary control. Skeletal muscle fibers occur in muscles which are attached to the skeleton. They are striated in appearance and are under voluntary control.

4 0
3 years ago
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True or False. Helper T cells secrete chemicals known as cytokines which cause proliferation of B cells into antibody-secreting
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Answer:

True

Explanation:

There are several types of cytokines used in cell signaling; interferons, interleukins, tumor necrotic factor, and chemokines. T helper cells mainly produce interleukins. When activated by Antigen-Presenting-cells, t-helper cells produce interleukins that activate B cells and is significant in their proliferation during an infection.

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3 years ago
To identify the molecule that accepts CO2, Calvin and Benson manipulated the carbon-fixation cycle by either cutting off CO2 or
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Answer:

The CO2 acceptor concentration would increase when the CO2 is cut off, but decrease when the light is cut off.

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