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alexandr402 [8]
2 years ago
15

MULTIPLE CHOICE

Biology
2 answers:
ipn [44]2 years ago
7 0

Answer:

a. and d. is the answer

Explanation:

valentina_108 [34]2 years ago
5 0

Answer:

A

Explanation:

nitrogen bases are a part of DNA, Dna is copied into genes, chromosomes are made of genes, cells are the largest unit out of all of these.

<em>plz mark me brainliest.</em> ;)

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What characteristic is shared by both inceptisols and entisols, the soils of flood plains?
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They are both at the final stage of development and this is the characteristic that is shared by both inceptisols and entisols, the soils of flood plains. The correct option among all the options that are given in the question is the third option or option "c". These kind of soils are found in variety of places like the tundra environments and glacial deposits.
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3 years ago
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As part of an experiment on circadian rhythms, a laboratory rat’s brain has been lesioned. The animal is now falling asleep and
Sergio039 [100]

Answer:the part of the brain that has most likely been damaged in this experiment is the suprachiasmatic nucleus (SCN) found in the hypothalamus of the brain.

Explanation:

circadian rhythms are behavioural changes that respond to light and darkness in an organisms environment. The sleep-inducing wake cycle is a good example of a circadian rhythm. In the experiment, the disruption of the mouse SCN led to development of imbalances in the circadian rhythm of sleep and wake cycle leading to falling asleep and waking up at random times of the day and night. I hope this helps. Thanks

3 0
2 years ago
Arrange according from largest to smallest in size:
Inessa [10]

Answer:

The correct answer is "Redwood tree; human being; Paramecium; White Blood Cell; Escherichia coli; Chickenpox virus; Ribosome; Prion fibril; Water molecule; Sulfur atom".

Explanation:

Redwood trees are gigantic trees, and its size can reach up to 90 meters.

The average size of a human being is 1.7 meters for males and 1.6 meters for females.

Paramecium are members of the protozoa genus, among the largest unicellular algae. Its average size is among 50 to 330 micrometers.

White Blood Cell are up to 17 micrometers in diameter.

Escherichia coli is a type of bacteria, as a prokaryotic organism is much more smaller than a eukaryotic cell such asa the white blood cell. Escherichia coli is up to 2 micrometers in diameter.

Chickenpox virus are among the largest viruses, they are from 150 to 200 nanometers in diameter.

Ribosomes vary on size depending if they are Prokaryotic or Eukaryotic, where the first are up to 20 nanometers and the second are up to 30 nanometers.

Prion fibrils are aggregates comprised of several protein units. It size varies depending on the number of proteins, but the ones containing around 200 units can reach up to 27 nanometers.

Water molecule is comprised of two atoms of oxygen and one atom of hydrogen, its size is measured with picometers (1 picometer is equal to 1000 nanometers). A water molecule has a size of 275 picometers.

Sulfur atom is the smallest in the list. Its size is around 100 picometers.

6 0
2 years ago
After DNA replication is completed, _____. After DNA replication is completed, _____.
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Each new dna double helix consists of one old dna strand and one new dna strand, daughter dna
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3 years ago
Identifying Variables
Galina-37 [17]

Answer:

In science, a variable is any item, factor, or condition that can be controlled or changed

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