1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Crazy boy [7]
3 years ago
10

A key difference between cellular and hunoral immunity is that

Biology
1 answer:
maria [59]3 years ago
6 0

Answer:

Humoral immunity secretes antibodies to fight against antigens, whereas cell-mediated immunity secretes cytokines and no antibodies to attack the pathogens. The Humoral immunity is rapid or quick in their action against antigens, while the Cell-mediated immunity show delay though permanent action against any pathogens. Cellular immunity is a protective immune process that involves the activation of phagocytes, antigen-sensitized cytotoxic T cells and the release of cytokines and chemokines in response to antigen

Explanation:

You might be interested in
The first man-made satellite, Sputnik 1, was launched into space in 1957. This satellite was used to study the conditions found
klasskru [66]
Answer is B . I hope this helped have a gray day
5 0
4 years ago
Read 2 more answers
What is the complementary strand of dna for a strand with these nitrogenous bases of aggtccg?
lianna [129]
DNA Complement: TCCAGGC
RNA Complement: UCCAGGC
5 0
3 years ago
PLEASE HELP!! Gas cloud 1 is likely to form a star. Gas cloud 2 is not. Based on this information, match the given conditions wi
Alex

Answer:

Gas cloud 1:   It spreads with a greater volume and less concentration of elements.  Its temperature stays well below the 14 million Kelvin.  It has hydrogen atoms that retain there electrons.

Gas cloud 2: Its volume shrinks and the density increase die to the gravity . Its temperature stays above the 14 million kelvin . Hydrogen atoms shed there electron.

Explanation:

As you already know, stars form within clouds of gas. These clouds have interstellar gases composed mainly of dust and hydrogen. When subjected to low temperatures, gases react and combine to form molecules that create clouds and continue to react until they form stars.

Cloud 1 has characteristics that show that it will form a star which are: It spreads with a greater volume and less concentration of elements, its temperature stays well below the 14 million Kelvin, it has hydrogen atoms that retain there electrons.

as we know that cloud 2 will not form stars we can say that its characteristics are:  Its volume shrinks and the density increase die to the gravity , its temperature stays above the 14 million kelvin , hydrogen atoms shed there electron.

7 0
3 years ago
Cell membranes contain a central bilayer formed by - A. lipids / B. protein pumps / C. carbohydrates, / D. proteins
mario62 [17]
Cell membranes contain a central bilayer formed by lipids. This protect that membrane.
8 0
4 years ago
ANSWER AND I WILL GIVE BRAINLIEST AND POINTS!
ehidna [41]

Answer:

A DNA marker

Explanation:

also known as a size standard or a DNA ladder) is loaded into the first well of the gel. The fragments in the marker are of a known length so can be used to help approximate the size of the fragments in the samples.

8 0
3 years ago
Other questions:
  • Kathleen, age 7, holds the small ball in both hands in front of her before swinging forward, then backward, with one hand and ba
    5·2 answers
  • You are studying a bacterium that utilizes a sugar called athelose. This sugar can be used as an energy source when necessary. M
    10·2 answers
  • 7. What effect does proximity to the ocean of a biome have on its climate?
    9·1 answer
  • If the germs in a vaccine we're not dead or deactivated then the vaccine would
    8·1 answer
  • Both aerobic and anaerobic respiration yield a net gain of ATP molecules to be used as energy for living things. The processes o
    10·2 answers
  • Which sign is NOT for a chemical change? Color change or Change in volume or
    5·2 answers
  • Need rn!!
    8·2 answers
  • I need help please...
    14·1 answer
  • If a mother is a carrier of the recessive gene (Xx) for hemophilia and
    9·1 answer
  • PLEASEEE HELLPPP PLEASEE SOMEONE ANSWERR THISSS PLEASEEEEEEEEEE
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!