Recent activity by Sergio Pulgarin

Recent activity by Sergio Pulgarin

B cells are lymphocytes produced in the bone marrow that are covered by about 50,000 molecules of a ____ membrane bound receptor antibody on their surface. This structure is called the ______________________

answered Dec 21, 2024

1 answer 68.3k views

Which of the following is not considered a hardwood? a. Oak, b. fir, c. ash, d. mahogany

answered Oct 20, 2024

2 answers 229k views

Why did China tend to struggle with nomadic invaders on their borders throughout much of their early history? *

answered Sep 29, 2024

1 answer 121k views

Solve for y. y 8=y-5

asked Sep 5, 2024

1 answer 16.5k views

Which of the following statements is true, about wavelengths in the electromagnetic spectrum? Select one or more: a. Infrared waves are longer than gamma rays. b. Gamma rays are longer than ultraviolet

answered Aug 10, 2024

1 answer 26.1k views

According to tradition, what is the name of the very first actor to step out of the ranks of the chorus and speak solo lines in the year 534 b.c.e?

asked Jul 17, 2024

1 answer 38.7k views

Describe the major differences between closed- and open-loop control processes. Describe which type of control would be most beneficial for the following examples and why. a) An individual standing on

asked Jul 2, 2024

1 answer 222k views

1200x + 100 = 3230x + 190

answered Jun 13, 2024

1 answer 152k views

How was the live of the the indigenous Australians before the arrival of the British

answered May 9, 2024

1 answer 110k views

How did Roosevelt's Policies effect America?? Did he provide the American people with a square deal? Pls answer quick I have history next period!

asked May 3, 2024

2 answers 59.8k views

PLEASE HELP ME QUICKLY!!!!!!

answered Apr 8, 2024

1 answer 111k views

Sympathetic nerves may leave the spinal cord at which vertebrae? 1) second cervical 2) third lumbar 3) first coccyx 4) first thoracic

asked Apr 8, 2024

1 answer 105k views

A point on either side of the centroidal axis of a horizontal column or wall section defining the limits of the kern area. A) Neutral axis B) Kern point C) Centroidal point D) Eccentric point

asked Mar 23, 2024

1 answer 64.0k views

What is the recommended first dose of IV atropine for the management of bradycardia?

answered Mar 20, 2024

1 answer 29.0k views

While there are hundreds of different operating systems, there are only three basic categories, which are... Option 1: Proprietary, open-source, and embedded Option 2: Windows, macOS, and Linux Option

answered Jan 26, 2024

1 answer 176k views

Identify the equation modeled below, and then find its solution. A. Equation: -4x + 6 = -2x - 2; Solution: x = 4 B. Equation: 6x + 4 = -2x + 2; Solution: x = 1 C. Equation: 6x - 4 = -2x - 2; Solution:

answered Jan 4, 2024

1 answer 104k views

When time equals 0, why is the temperature in the oven not equal to 0? Why does the temperature eventually oscillate around 350°F?

asked Sep 21, 2023

1 answer 153k views

The White Cliffs of Dover in England are made of a rock composed entirely of small shells. Which type of sedimentary rock is this

answered Aug 17, 2023

1 answer 158k views

HELP ME WITH THESE QUESTIONS PLEASE!!!

asked Aug 10, 2023

1 answer 21.3k views

Use absolute value to determine the magnitude of each quantity, and then complete each statement. a. A porpoise dove into the water and traveled 16 feet below the surface. The porpoise is feet from the

asked Aug 3, 2023

1 answer 53.9k views

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