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3 years ago

Which statement is characteristic of streams and rivers

2 answers:

8 0

Key Characteristics of Rivers and Streams. Streams or rivers form when water that does not find an underground aquifer, drains off the land by either seeping through the soil or spilling over the surface into the river or stream bed. Water in streams and rivers is in constant motion.

Drupady [299]3 years ago

5 0

Streams or rivers form when water that does not find an underground aquifer, drains off the land by either seeping through the soil or spilling over the surface into the river or stream bed.

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3. Human skeletal remains were located along a hiking trail in northern Wisconsin. Law

ikadub [295]

Answer:

hope this helps

Explanation:

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2 years ago

What was known before Franklin and Wilkins conducted their studies of DNA? Check all that apply. DNA is found in the nucleus of

kvasek [131]

Answer:

The correct answer will be-

1. DNA is found in the nucleus of a cell

2. Organisms store and transmit genetic information

3. Cells contain protein molecules.

Explanation:

The study of DNA started much before the discoveries of Rosalind Franklin and Maurice Wilkins.

Nucleus of cell was discovered by Robert Brown in 1831 but the material present inside the nucleus called "nuclein" (DNA) came from the studies of Johann Friedrich Miescher in 1869.

Proteins as a constituent of cell were discovered by the experimental analysis of Gerhardus Johannes Mulder in 1837.

DNA as a genetic material came from the experimental studies of Frederick Griffith in 1928, Oswald Avery, Maclyn McCarty, and Colin MacLeod in 1944, and Hershey and Chase in 1952.

Franklin and Maurice Wilkins are known for their work on the the structure of DNA as they were able to produce high-resolution X-ray photographs of DNA fibres called Photo 51 in 1952 using X-ray diffraction technique. By 1953 Franklin concluded concluded that DNA shows helical structure with phosphates on outer side.

Thus, 1. DNA is found in the nucleus of a cell

2. Organisms store and transmit genetic information

3. Cells contain protein molecules.

are the correct options.

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3 years ago

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Two equal body masses are accelerated, but body a's acceleration one-fourth of body b's. what is the force of body b on body a

Bad White [126]

Body b will have a force 4 times stronger than body a, causing body b to reverse the direction of body a

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3 years ago

Breaking away of the cell membrane from the cell wall in a plant cell as water leaves the inside of the cell?

liberstina [14]

The shrinking of a plant cell membrane away from the cell wall when placed in a hypertonic solution is called a plasmolysis... I don't know if that can be of any help :)

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A sperm cell moves its flagella back and forth in order to move through its environment. Which statement describes how this euka

sergiy2304 [10]

D the cell mitochondria utilize cellular respiration to generate glucose that gives the flagella energy to move

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3 years ago