BIOLOGY HIGH SCHOOL

This device can be used to remove most biological agents that enter a house.a. High Efficiency Particulate Air (HEPA) filter.
B. Pure Air Filtering System (PAFS).
C. Biological Identification and Screening Filter (BISF).

Answers

Answer 1
Answer: The correct answer for the question that is being presented above is this one: "a. High Efficiency Particulate Air (HEPA) filter." This device can be used to remove most biological agents that enter a house. It is called the High Efficiency Particulate Air (HEPA) filter. An air purifier. It sucks all the dust out of the air and gives it a cleaner atmosphere.

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Which phrase best describes osmosis? A. the process by which the cytoplasm physically divides B. the process of DNA synthesis C. the process where a selectively permeable membrane allows the movement of water through it D. the process where distribution of molecules is balanced out by their movement
In the typical cell cycle, DNA synthesis occurs in the _________ phase.

Where are the proteins for a cell made?

Answers

Proteins are made by the ribosomes either free in the cytoplasm (soluble proteins) or docked on the endoplasmic reticulum, after a small amount is initially translated in the cytoplasm (proteins that are destined to be secreted out of the cell, incorporated into the plasma membrane, retained in the endoplasmic reticulum or Golgi complex. Proteins that traverse through the endoplasmic reticulum are further modified in the endoplasmic reticulum and Golgi complex.

there made in the cells ribosomes

Brancusi’s well-known sculpture of a bird was intended to ____________

Answers

Emphasize a graceful qualities of a bird

One of Bransuci's most popular work, - Bird in Space , became a subject of a court battle because of it's simplicity.

The Custom officials refused to believe that the Bird in Space is an artwork and insist that it is closer to a Kitchen Utensil than to an Artwork

It was sold for $ 27.5 Million dollar in 2005

Answer:

D

Explanation:

Emphasize the graceful qualities of a bird.

Read the following statements that describe what happens as an impulse travels. What is the correct order in which the steps occur? 1) The impulse continues to travel down the axon away from the cell body. 2) Na+ gates close and K+ ions flow back out of the cell restoring the resting potential. 3) Gated K+ and Na+ channels are closed. The inside of the cell is slightly negative compared to the outside. 4) The neuron receives a stimulus great enough to start an impulse. 5) Gated Na+ channels open. The net movement of Na+ ions into the cell produces the action potential..

Answers

Answer:

4) The neuron receives a stimulus great enough to start an impulse.

5) Gated Na+ channels open. The net movement of Na+ ions into the cell produces the action potential..

2) Na+ gates close and K+ ions flow back out of the cell restoring the resting potential.

1) The impulse continues to travel down the axon away from the cell body.

3) Gated K+ and Na+ channels are closed. The inside of the cell is slightly negative compared to the outside.

I believe that the order is 4,5,2,3. 1 can fit anywhere after the neuron receives a signal strong enough to start an action potential. Once an action potential is generated at voltage gated channels it results in a stimulus of surrounding neurons. 

What is the key function of sphincters found along the digestive system?a. thet selectively allow and stop passage of partially digested food.
b. they control and direct the quantity of food passing through the digestive organs and prevent backward movement of partially digested food.
c. they improve the muscular strength of the organs involved in digestion.

Answers

The key function of the sphincters found along the digestive system is that they control and direct the quantity of food passing through the digestive organs and prevent backward movement of partially digested food. The correct answer is option B.

The correct answer is B. They control and direct the quantity of food passing through the digestive organs and prevent backward movement of partially digested food.

Explanation:

In biology, sphincters are a type of muscle that can regulate the passage of substances. In the digestive system, sphincters can be found mainly in the upper and lower zone of the stomach, between the small and large intestine and at the anus. In all cases, the sphincters regulate the amount of digested food or other substances that pass through the organs and also prevents the substances that have already passed to a new organ or zone of the digestive system can go backward.

Due to this sphincters are essential for regulating the movement of food and other substances to be correctly digested and to pass through different organs. According to this, the key function of these muscles is "control and direct the quantity of food passing through the digestive organs and prevent backward movement of partially digested food".

Analyze the sentence to determine the main clause and the subordinate clause. Then choose the function of the subordinate clause.The Mason-Dixon Line, which is perhaps the most famous border ever established by surveying methods, has been designated a National Historic Civil Engineering Landmark.

1.​Main clause:
A.The Mason-Dixon Line
B.The Mason-Dixon Line, which is perhaps the most famous border ever established by surveying methods
C.The Mason-Dixon Line has been designated a National Historic Civil Engineering Landmark
D.the most famous border ever established by surveying methods has been designated a National Historic Civil Engineering Landmark
E.has been designated a National Historic Civil Engineering Landmark

2.Subordinate clause:
A.which is perhaps the most famous border ever established by surveying methods has been designated a National Historic Civil Engineering Landmark
B.has been designated a National Historic Civil Engineering Landmark
C.which is perhaps the most famous border ever established by surveying methods

3.Subordinate clause functions as a(n):
A.adjective
B.adverb
C.noun

Answers

1. The correct answer is C. The Mason- Dixon Line has been designed as a National Historic Civil Engineering Landmark.

Main clause can also be referred to as independent clause. There is a verb and a subject in it and they express a thought which is complete.

2. Correct answer is C. Which is perhaps the most famous border which is ever established by surveying methods.

Subordinate clause can also be known as dependent clause. It starts with relative pronoun and it has both verb and subject. A complete sentence can not be formed in this combination.

3. The correct answer is adjective.

Subordinate clause functions the same way as adjective.
1.​Main clause:

C.The Mason-Dixon Line has been designated a National Historic Civil Engineering Landmark


2.Subordinate clause:

C.which is perhaps the most famous border ever established by surveying methods

3.Subordinate clause functions as a(n):

A.adjective

In mammals the powerful muscle that aids in breathing is thea. diaphragm.
b. kidney.
c. cerebrum.
d. placenta.

Answers

a. diaphragm is the answer
Diaphragm, as it is in you lungs.
Kidney doesn't not help in the breathing mechanic, as well as the cerebrum and placenta (which is more of a gluey substance when a in the uterus of a pregnant woman to give subtenants to her child).
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