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ser-zykov [4K]
3 years ago
15

Which important property of DNA did Friedrich Miescher discover?

Biology
2 answers:
torisob [31]3 years ago
7 0

Answer: (D) It is found in the nucleus of the cell.

Explanation: Friedrich Miescher discovered the "nuclein" in white blood cells in 1869.

defon3 years ago
4 0

Answer:

Answer: Friedrich Miescher first discovered DNA as a biomolecule. He isolated nuclein in which DNA is wrapped around cellular proteins such as Histones. Many years after Miescher's discovery it was proved that DNA is the hereditary material in cells.

Explanation:

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Suppose that a woman had to have part of her thyroid gland surgically removed. She would most likely suffer from a condition kno
Assoli18 [71]

Answer:

4. Thyroid hormone levels decrease, TRH level increase, PRL level increase

Explanation:

Surgical removal of Thyroid gland will lead to hypothyroidism.

Normally, the surgery is followed by maintenance dose of thyroxine to avoid side effects.

In the presence of hypothyroidism, however, the decreased thyroid hormone will lead to increase in thyrotropin releasing hormone (TRH). increased TRH increases production of prolactin. (but less than that in prolactinoma)

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3 years ago
Read 2 more answers
3. Explain the difference between the greenhouse effect and global warming.
Goshia [24]

Global warming is a long-term rise in the average temperature of the Earth's climate system. And the greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without its atmosphere.

6 0
3 years ago
A team of ecologists planned to use adaptive management approach for management of certain wildlife species in their region. Aft
Helga [31]

D. Evaluate

Explanation:

The team of ecologists failed to implement the evaluation stage of adaptive management approach as the didn't compare various possible methods that could be used for the managemenr process and evaluation refers to analysis of completed or ongoing activities related to the topic in consideration to determine the management effectiveness and efficiency. Since they forgot to evaluate the various possible methods, evaluation is the missed approach.

3 0
3 years ago
More than half a century ago, two cell biologists published details of their research involving isolated membrane vesicles from
fiasKO [112]

Answer:

Plasma membrane is the semi-permeable membrane that allow the movement of some selected particles only against the concentration gradient or along the concentration gradient.

Different substances can be move through the diffusion, active process and passive process. The hydrogen in the vesicle has been moved through the facilitated diffusion.  In this process, the hydrogen ions will move along the concentration gradient without the requirement of energy but requires the channel protein for its transport.

5 0
3 years ago
Choose the answer that best completes the blanks of this sentence in order. The two major groups of parasitic helminths include
Masja [62]

Answer:

The correct answer is - flatworms and roundworms.

Explanation:

Helminths are the group of free living and some are parastic organisms present in aquatic, terrestrial environment or in animals or plants respectively. parasitic helminths are the group of worms or organisms that lives inside the GI tract or other parts of the body of host and makes them weak. The two major groups of parasitic helminths are -

Flatworms (platyhelminths) is a parasitic helminths, have leaf like body which is thin and segmented while roundworms or nematode have cylindrical and unsegmented body.

Thus, the correct answer is - flatworms and roundworms.

3 0
3 years ago
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