In the immune system, which cell is responsible for recongnizing an antigen producing the activating B- cell proteins?A) T- helper cells
B) T- killer cells
C) Phagocytes
D) Lymphocytes

Answers

Answer 1
Answer:

T killer cells are responsible.


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________ are generally considered the best indicators of the level of succession in an ecosystem. Explain how you got your answer.a. fungi b. lichens c. animals d. plants

Answers

Answer:

Plants are generally considered the best indicators of the level of succession in an ecosystem. Explain how you got your answer.

Explanation:

Plants are generally forms the basis of life in any environment, other organism strictly depends for survival and continuation of life as they are the only autotrophs in the food chain. The best indicator of the level of succession in an ecosystem remains the plant

I need help with #4 and if you can help me with #5 that would be great thx

Answers

4# is a fossil that forms from plants 5# it was maybe a ocean or big lake

What would happen if your epiglottis stopped working properly?

Answers

you would have to go to dialysis to get your blood filtered everyday 
well its a flap that covers the Larynx (voice box) it lets air go thru and it also has taste buds on it ... it has to do w/ speech too

Which of the following accurately explains what it means to have a high specific heat?Group of answer choices

Less heat is needed to keep water at a high temperature

Water efficiently absorbs and retains heat.

Heat is quickly released from water.

Water maintains a constant temperature.

Answers

Answer:

the last choice

Explanation:

specific heat is the amount of heat required to raise the temperature this eliminates choice 1 and choice 3 and then the question doesn't specifically mention just water leaving choice 4 which is the answer

Which of the following best describes the process that adds a monosaccharide to an existing to an existing polysaccharide

Answers

Answer:

The best describes the process That adds a monosaccharide to an existing to an existing Polysaccaride.

Explanation:

Disaccharides are structure when two monosaccharides experience a parchedness reaction. They are held with each other by a covalent bond. we understand Sucrose is the most notable disaccharide, which is made out of the monomers glucose and fructose.  

Monosaccharides encounter a parchedness reaction. They are held together by a covalent bond. Sucrose is the most notable disaccharide, which is made out of the monomers glucose and fructose.

What percentage of offspring will have yellow feathers ?

Answers

50% of the offspring