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Law Incorporation [45]
1 year ago
14

During an infection with listeria, an intracellular bacterium, antigen presenting cells will present antigen on mhc class ______

_ molecule and trigger ________.
Biology
2 answers:
statuscvo [17]1 year ago
7 0

Answer:

Explanation:

How did media attention affect Barack Obama's presidential performance?(A)(B)(C)(D)He made a concerted effort to listen to Congress' concerns about his policies.He decided to go on Fox News in an attempt to win over Republican voters.He started traveling the country to give speeches about his policy goals.He began meeting in private with Speaker of the House Nancy Pelosi.

Marat540 [252]1 year ago
3 0

During infection with Listeria, an intracellular bacterium, APCs will present antigen on MHC II molecules and triggers a phagocytic property by stimulating the release of macrophages.

What is the role of macrophages in Phagosomes?

Phagosome maturation was formerly regarded to be a very simple notion that described how much phagosomes had united with lysosomes.

  • Unfortunately, this assumption is no longer valid because phagosomes are now known to interact with a variety of intracellular organelles during their maturation process.
  • Proteins, such as the NADPH oxidase complex that creates the superoxide burst, may be seen being assembled on the phagocytic cup even before they are fully formed.
  • When the phagosome closes and the maturation process begins, it becomes increasingly acidic and hydrolytically active, and it transiently fuses with the recycling endosomal system, the secretory system, including secretory lysosomes, multi-vesicular bodies such as the MHC class II (MIIC) compartment, and even the endoplasmic reticulum.

Learn more about phagosome here, brainly.com/question/15607257

# SPJ4

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Talja [164]
The two main properties of sound are frequency and amplitude. The frequency of the sound waves determines the pitch of the sound. The amplitude of sound determines the loudness. The quality of sound is affected by the pitch and the loudness.
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The table shows the total number of posts made by the average registered user of a new social media app in the first week
nasty-shy [4]

Linear equations are used to represent relations that have constant rates

The linear regression equation that models the data in this table is \^y = 2.40476x + 0.33333

<h3>Regression equation using a graphing calculator</h3>

To calculate the regression equation, we make use of a graphing calculator.

Using the graphing calculator, we have the following data:

  • Sum of X = 28
  • Sum of Y = 70
  • Mean X = 3.5
  • Mean Y = 8.75
  • Sum of squares (SSX) = 42
  • Sum of products (SP) = 101
<h3 /><h3>Formulating the regression equation</h3>

The regression equation is represented as:

\^y = b\^x + a

Where:

b = \frac{SP}{SSX} and a = MY - bMX

So, we have:

b = \frac{101}{42}

b = 2.40476

Also, we have:

a = MY - bMX

a= 8.75 - 2.4\times 3.5

a= 0.33333

Hence, the linear regression equation is:

\^y = 2.40476x + 0.33333

Read more about regression equations at:

brainly.com/question/25987747

3 0
2 years ago
The phase of mitosis in which the chromosomes condense and centrosomes move to opposite poles of the cell is
Aleksandr-060686 [28]

Answer:

The correct answer is - Anaphase.

Explanation:

Cell division can be either mitosis or meiosis. Mitosis cell division has these phases:

A. Interphase - non-dividing phase with to G1, S and G2 sub phase. In this genetic material doubles and cell size increases.

B. Prophase- chromosomes shorten and condense by coiling. Centrioles move in opposite directions.

C. Metaphase - spindle fibres bind to kinetochores and pulls it the chromosomes on the equator of the spindle forms a plate called the metaphase plate.

D. Anaphase- these get condense and centromeres split into two and the spindle fibres pull the daughter centromeres to opposite poles.

E. Telophase is the last phase of Mitosis.

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Photosynthesis converts solar energy into which type of energy?
gayaneshka [121]
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What is answer for each questions?
disa [49]

Answer:

15 B

16 C

17 B

18 A

Explanation:

In my opinion these are 100 percent sure answer

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