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Digiron [165]
3 years ago
8

Which of the following causes day and night to occur?

Biology
1 answer:
Sindrei [870]3 years ago
7 0
The rotation of the Earth in its axis
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Which statement is true about DNA?
Effectus [21]
Only one of the original DNA strands acts as a templates during replication.
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3 years ago
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The body uses two types of amino acids: essential and nonessential. Which of the following statements about essential and noness
zlopas [31]

Answer:There are 11 nonessential amino acids.

Explanation:amino acids are monomers of proteins.proteins are made up of carbon,hydrogen, oxygen and nitrogen.there are 20 amino acids found in proteins.

Plants cam produce all the amino acids they need but animals cannot.

Essential amino acids are those that animals cannot produce by themselves and so need to obtain from their diet.there are 9 in numbers.

Non-essential amino acids are produced by the animals.they are not necessarily non-essential as the name indicates.they are 11 in numbers.

7 0
3 years ago
What are the two suffixes that the scientific sugar names end with?
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The name for the simplest sugar that is in our blood is glucose. There are many other kinds as they become more complex. Monosacchrides include glucose and fructose (from fruit), and then there are disacchrides such as table sugar and lactose (milk sugar).
4 0
3 years ago
"Meghan was driving home when she heard a tire explode on the car right next to her. As a result, her heart started pounding and
Aliun [14]

Answer:

Sympathetic nervous system

Explanation:

The sympathetic nervous system of the autonomic division prepares the body for stress or emergency conditions by generating the “fight-or-flight” responses. The sympathetic nervous system triggers the release of stress hormones from the adrenal medulla to generate the set of physiological responses.

There is dilation of the pupil, and an increased rate of heartbeat and increased blood pressure. Other responses include dilation of airways and dilation of blood vessels that supply blood to skeletal muscles, heart muscles, liver, etc. Under the given emergency condition, the sympathetic nervous system of Meghan was activated to generate the fight or flight response.

8 0
3 years ago
After three years of heavy rain, a field of soybeans shows a decreased yield. They have weaker root systems compared to plants i
Troyanec [42]

Answer:

It can be hypothesized that fungal pathogen is responsible for decreased yield.

Explanation:

As the extensive heavy rain changed the climate of that area the soybean plant was effected by pathogenic fungus grown in the field. As we know that fungi makes spores that can withstand harsh environment. Humid and moist environment is favorable for fungi growth. So when spores find a suitable environment they grow rapidly. In the given example, the fungi was pathogenic that produced toxic compounds and effected the growth of soybean plant by damaging its root system and water supply to plant.

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