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barxatty [35]
2 years ago
9

A kilogram is an SI unit. Which quantity might you measure in kilograms?Group of answer choices

Biology
1 answer:
shtirl [24]2 years ago
8 0

Answer:

no idea

Explanation:

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Which is NOT an immune component that can directly attack & destroy target cells?
lara31 [8.8K]

Answer:

Macrophages are part of your innate immune system, which is antigen-independent and does not require activation.

Explanation:

Macrophages phagocytize (internalize) all non-self pathogens it encounters. These do their job without activation. Other cells in the innate immune system include basophils, neutrophils, eosinophils (these cells are polymorphonuclear leukocytes), mast cells, and dendritic cells, which act as the bridge between your innate and adaptive immune system.

All of the other entities listed above are part of your adaptive immune system. The adaptive immune system is antigen-dependent and requires activation. This section of your immune system responds differently to different pathogens, and has the bonus of having immunologic memory, the ability to remember pathogens after infection and respond much quicker upon secondary and tertiary encounters.

Note: All lymphocyte types begin as naïve cells, which then differentiate into their fully matured form upon activation.

Helper T cells are a type of CD4+ T cell that has the job of activating B and T lymphocytes. There are two different types of T helper cells: Th1 and Th2. Th1 cells secrete the cytokine interferon-gamma (IFNγ), and is primarily involved with the stimulation and activation of cytotoxic T cells, while Th2 cells secrete a variety of cytokines and are responsible for activating and assisting with B cells to make antibodies. To make a long story short, Th cells interact with APC (Antigen Presenting Cells), specifically their Class II MHC (a group of genes that present exogenous proteins). The Th cells then proliferate and gain the ability to activate these APC cells and provide the necessary signals to activate B and T cells and make them proliferate and do their specific function.

7 0
3 years ago
Which does climate affect?
krek1111 [17]

Answer:

All living things

Explanation:

Climate affects everything

7 0
2 years ago
This organelle carries which ??
Serhud [2]

Answer:

genetic info

Explanation:

3 0
2 years ago
Which type of study design is used in the following scenario:
Rus_ich [418]

Answer:

Explanation:

Because that’s the way it should be

8 0
3 years ago
A particular triplet of bases in the template strand of DNA is 5' AGT 3'. The corresponding codon for the mRNA transcribed is __
dybincka [34]

Answer:

3' ACU 5'

Explanation:

Adenine (A) pairs with Thymine (T) in DNA and with uracil (U) in RNA, while Guanine (G) pairs with Cytosine (C)

4 0
3 years ago
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