Do eggs and apples protect and nourish the embryo?

A)yes
B ) no

Answers

Answer 1

Answer:

The correct answer would be A) yes

The main function of the egg is to provide nourishment to the developing embryo.

In plants, the fruits and seeds are the final product of the reproduction. The seeds are formed from the fertilized egg and fruits are developed from the ovary.

The seed contains endosperm which contains various nutrients for developing embryo.

In animals or birds, eggs contain a huge amount of proteins and fats for the nourishment of the developing embryo.

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Photosynthesis can be modeled by its overall chemical reaction. Which two substances are the products, or outputs, of this reaction? A. sugars and carbon dioxide B. carbon dioxide and water C. carbon dioxide and oxygen D. sugars and oxygen

Answers

Answer:

Sugar and oxygen.

Explanation:

Sugar is the main product of Calvin cycle while oxygen is the by product of the process.

The sugar is obtained as 6-C compounds by reduction of Cabondioxide with Hydrogen ions obtained from the photolysis of water, in the light dependent stage. Thus the production Sugar takes place in the light -independent state.

The Oxygen is produced during photolysis splitting of water to H+ + e- + O- at the light dependent stage. This is the basic reaction of Light dependent stage.

The Hyrogen is used for CO2 as mentioned above , while the O2 liberated for cellular respiration as by product.

After being classically conditioned to salivate to a tone, a dog continues to hear a tone but does not receive food; as a result, salivation will decrease, then disappear. A dog owner may use operant conditioning to train a dog to "sit" by presenting a treat each time the dog sits. However, the behavior may diminish if the treats are discontinued. Both examples illustrate:

Answers

Answer:

extinction

Explanation:

Based on the information provided in regards to the situation at hand it can be said that both of these examples illustrate extinction. This term refers the fading out of conditioned responses over time if they are not properly reinforced. This is what is happening in this situation since the dog is not reinforced with food for salivating then the response begins to fade until it is completely gone.

What are the bi-products of cellular respiration

Answers

Carbon Dioxide and Water

Which organic molecule has been made to form in water in the laboratory ?

Answers

Answer: Amino acids.

Explanation:

There were an famous experiment made by two biochemists called Stanley Miller and Harold Urey, in the year of 1953. They made it at the University of Chicago, USA.

In this experiment, Stanley Miller and Harold Urey simulated hypothetical conditions that Earth’s early atmosphere had, in order to test the hypothesis that gases (as the methane, carbon dioxide, ammonia, amonia and water vapor) allowed inorganic chemicals to form organic molecules.

After one week, these scientis found that organic compounds were formed.

Through this experiment the scientists Stanley Miller and Harold Urey obtained that several amino acids were formed (the most abundant was Glycine).

According to their work, they got 13 of the 22 aminoacids that are used to make proteins in living cells.

Which kind of tissue lines the inside of hollow organs?

Answers

A group of cells that function together to perform a special activity is known as a tissue. Epithelial tissues are the tissues that lines inside of hollow organs. Epithelial tissues covers body surfaces; lines the body cavities and hollow organs.

Organisms that are composed of many cells working together to form tissues, organs, and organ systems are referred to as _________. complex unicellular bicellular multicellular