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3 years ago

What are the body’s 2 defense systems for foreign materials

Biology

1 answer:

Alexxandr [17]3 years ago

8 0

Answer:

immune system

Explanation:

The adaptive immune system reacts specifically to pathogens (germs). It is able to recognize attacking pathogens and fights against certain antigens or foreign substances. The next time a known antigen is encountered, the adaptive immune system can respond faster.

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Match the appropriate food item with the indicator chemical you would use to detect the principal organic molecule present in th

Valentin [98]

Answer:

raspberry jam - benedict's solution

honey - benedict's solution

ground turkey - biuret reagent

oatmeal - iodine

Explanation:

Benedict's test is a test used to confirm simple carbohydrates. it helps in identifying reducing sugars that have free ketone or aldehyde functional groups. Raspberry jam has mainly carbohydrates that can be tested by this indicator.

An iodine test is for the determination of starch which is a non-reducing sugar such as oatmeal

Sudan IV (C24H20N4O) is used for the presence of staining of lipids, triglycerides and lipoproteins. There is no food item given that has a proper amount of fat or lipid

Beuret reagent is a protein testing reagent that shows the presence of the protein. Ground turkey has a huge amount of protein that can be indicated by this

4 0

3 years ago

What is a function of the large vacuole within a plant cell

tekilochka [14]

The main function of the large central vacuole in plant cells is to provide structural support; however, it serves other functions such as protection, storage, growth and waste disposal.

5 0

3 years ago

Me ayudan a escoger? :(

Delicious77 [7]

Answer:

El núcleo contiene (1) el material genetico.
La mitochondria (2) tiene una doble membrana.
La cromatina consta de (3) fibrillas de ADN.
Los lisosomas (4) contienen enzimas digestivos.
El citoesqueleto es (5) la red proteica distribuida por el citosol.
El nucléolo es (6) la zona donde se forman los ribosomas.
El centrosoma es (7) el orgánulo encargado de la organización de los filamentos del citoesqueleto.
El aparato de Golgi (8) forma vesiculas de secrecion.
El retículo endoplasmático liso (9) se encarga de la síntesis de lípidos de membrana.
La vacuola (10) ayuda a mantener la forma de la célula vegetal.
La pared celular (11) protege a las células vegetales.
El retículo endoplasmático rugoso tiene (12) sáculos membranosos con ribosomas adosados.
(13) Un apilamiento de los tilacoides forma una grana.
(14) En el interior de los cloroplastos se encuentra los tilacoides.

5 0

3 years ago

In the skeletal system, which are the two main tissues responsible for structural support in the body?

stepladder [879]

the two main skeletal systems to support the tissue of the body is bone and cartilage

hopefully this will help

3 0

3 years ago

Sort the examples by the type of diversity that they exhibit

trapecia [35]

Explanation:

Red and yellow bell........... - genetic diversity

A park has....... - species diversity

Five different bird..... - species diversity.

4 0

4 years ago

Read 2 more answers