The tiny exoskeleton of a diatom is composed mostly of calcium carbonate. a. True b. False

Why are cellular respiration and photosynthesis considered opposite reactions

Andreas93 [3]

Explanation:

They are opposites because they are the same chemical reaction but reversed. Cellular respiration takes glucose (from nutrient/food) and oxygen (from atmosphere) in order to make CO2 (think about exhaling) and H20 (water).

3 0

3 years ago

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The picture has the question in it

Mashcka [7]

The sequence of passage of air during inhalation:

pharynx

larynx

trachea

bronchi

alveoli

(there are actually a few more steps to this question, but these are what the question lists)

hope this helps!!

6 0

2 years ago

One month ago, a teenage girl stopped eating animal-derived foods and now only consumes vegetables and fruits. She is now experi

Serhud [2]

<h2>Synthesizing antibodies</h2>

Explanation:

Antibodies are have proteins that are created by the insusceptible framework because of remote atoms that enter the body. These outside particles are called antigens, and their atomic acknowledgment by the safe framework brings about particular creation of antibodies that can tie the particular antigen. Antibodies are made by B-lymphocytes and circle all through the blood and lymph where they tie to their particular antigen, empowering it to be cleared from dissemination.
Antibodies are explicit proteins that perceive almost any substance structure. During in vivo vaccination B cells are enacted by antigen. Antigen‐specific cells multiply and some separate into antibody‐secreting plasma cells. Quickly, B cells with explicitness for a realized antigen were combined with myeloma to make them everlasting. Hybridomas develop in culture uncertainly and emit monoclonal antibodies (mAbs) of an ideal particularity. Hybridoma innovation and counter acting agent building have contributed in Biomedicine to the analysis of malignancies, tissue composing, distinguishing proof of individual cell types, identification of cytokines, development variables and hormones.

5 0

4 years ago

A science class is studying seeds.They to measure the length ,height,mass of different types of seeds.which one of these items s

andriy [413]

The answer is 4 a data table

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4 years ago

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Where does the sugar we eat come from? grassy sugar cane plants and sugar beet roots, sugar trees it is mined from the earth, an

o-na [289]

Most sugar today comes from Brazil, India, China, Mexico, Australia, Thailand, Pakistan and the United States. In the United States, sugar cane is grown in Florida, Hawaii, Louisiana and Texas, as they are known for producing sugar cane

3 0

3 years ago

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