What are 3 types of cells that helper T cells produce upon being an alarmed of an antigen? Thanks for your help!! :)

Answers

Answer 1

Answer: Whenever these are an alarming due to a foreign antigen, the Helper T cells, Memory T cells, and Cytotoxic T cells are being produced. Helper T cells to recognize the specific foreign antigen that is entering the body, Memory T cells to remember the specific foreign antigen that is attacking, and Cytotoxic T cells that are for the destruction of the foreign cells and produce cytokines to attract macrophages

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A 2-kg rock is thrown vertically upward at a speed of 3.2 m/s from the surface of the moon. If it returns to its starting point in 4 seconds, what is the acceleration due to gravity on the moon?
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How many gallons are in a cubic gallon?

Answers

There's no such thing as a "cubic gallon". A 'gallon' is already a unit of volume,
only without the word 'cubic' in it.

If you like to play with different units of measure, here are a few conversions:

1 gallon = 231 cubic inches
1 cubic foot = 1,728 cubic inches = about 7.4805 gallons

1 cubic meter = 1,000 liters = 1 million cubic centimeters = about 264.17 gallons

(01.01 LC)Two objects of the same mass are in a room. At which of the
following distances will the greatest gravitational force be exerted
by one object on another?
O 2 m
O 4 m
O 6 m
O 8 m

Answers

Answer:

Explanation:

The closer the objects are, the more gravitational force there is

Answer:

Explanation:

its the shortest distance so its corect

PLS VOTE THANK YOU

Why are the very first stars thought to have been much more massive than the sun? (a the clouds that made them were much more massive than todays star-forming clouds. (b the temperatures of the clouds that made them were higher because the clouds consisted entirely of hydrogen and helium. (c star-forming clouds were much denser early in time?

Answers

I think the correct answer would be that the temperature of the clouds that made the very first stars where thought to be higher since the clouds are made up of hydrogen and helium. Hope this answers the question. Have a nice day.

The main reason why the very first stars where thought to be much bigger than the sun because of the temperature of the clouds that these stars were made of were higher. The clouds that mostly form these stars consist of entirely hydrogen and helium. The answer for this would be option B.

25pts The diagram shows the positions of the sun, moon and Earth during spring tides, when the high tides are at their highest and low tides at their lowest. What is it about these positions that causes these high and low tides?

Answers

The moon and sun are primarily responsible for the rising and falling of ocean tides, but, for any particular spot on Earth’s surface, the height of the tides and their fluctuation in time also depends on the shape of your specific beach, the angle of the seabed leading up to your beach, plus your larger coastline and the prevailing ocean currents and winds.

Answer:

The moon, is wahts causing athe high and low tide to rise and fall is like for expmale the water is metal, and the moon is metal (thats all I remembre in class )

If you know the distance an object has traveled in a certain amount of time you can determine

Answers

With that information, you can determine the object's speed.
Just divide the distance covered by the time to cover the distance.

If you also know the direction the object moved, then you can
determine its velocity. If you don't, then you can't.

You can determine the velocity it is moving at.

How was Bohr's atomic model different from those of previous scientists?

Answers

Answer:Bohr placed the electrons in distinct energy levels. Rutherford described the atom as consisting of a tiny positive mass surrounded by a cloud of negative electrons. Bohr thought that electrons orbited the nucleus in quantised orbits.

Explanation: also rutherfords was just a hypothesis while Bhor took the time to make his an experiment

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The period of a wave is found to be 50 seconds. What is the frequency of the wave?

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At a constant temperature, what will happen to the pressure inside a container of gas if the volume of the container is reduced?a. The pressure will increase. b. The pressure will decrease. c. The pressure will remain constant.

Which of the following actions or events did not contribute to the Dust Bowl? Farmers in the Central U.S. had plowed grasslands to grow food crops to feed the increasing human population. They left the fields plowed and bare in the winter months when crops were not grown, and this left the soil exposed to wind. A long drought in the 1930s left the exposed soil especially dry due to the lack of precipitation. With the advent of pesticides, minerals in the ground were leached.