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photoshop1234 [79]
2 years ago
15

Carbohydrates that function as structural molecules withstand pulling and pushing forces well. Which structural feature is most

directly responsible?
Biology
1 answer:
tekilochka [14]2 years ago
5 0

Answer:

Carbohydrates that function as structural molecules withstand pulling and pushing forces well are Polysaccharides. Which structural feature is most directly responsible? The hydrogen bonds give structural strength and keep glucose molecules and chains closely together.

Explanation:

Polysaccharides are chains of more than ten monosaccharides, these carbohydrates are the most abundant and diverse, since they can have long and simple or branched chains. The best known are starch, glycogen and cellulose, these are made up of glucose monomers. We also find chitin, which is a polysaccharide that does not have glucose as a manomeric unit.

Cellulose: It is the main component of the plant wall and in all rigid parts, it is the structural polysaccharide of vegetables. It is formed by a linear glucose chain, which form microfibers connected to each other by hydrogen bonds.

Chitin: Formed by units of acetylglucosamine, it is the component of the exoskeleton of arthropods, the cell walls of fungi and some internal organs of molluscs and annelids. Like cellulose, the great structural resistance of chitin is due to the strong bonds of hydrogen bonds.

Compounds that act as a reservoir (or storage) of energy are starch and glycogen, in animals in the form of glycogen and in plants it is stored in the form of starch.

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Which of the following explains what happens to oxygen produced by the light-dependent reactions?
german

Answer:

The correct answer is option B.

Explanation:

The light-dependent reactions in the process of photosynthesis utilize Sun's light energy to dissociate water, known as photolysis. Water after getting dissociated produces hydrogen, oxygen, and electrons. The electrons move through the compositions in the chloroplasts and by the process of chemiosmosis, produce ATP.  

The hydrogen gets transformed into NADPH, which is further utilized in the light-independent reactions. While oxygen diffuses out of the plant as a waste component of photosynthesis into the atmosphere. All this takes place in the grana thylakoids of the chloroplasts.  

3 0
3 years ago
All annelids and arthropods have a body plan. Unlike annelids, arthropods also have . The circulatory system of annelids is , wh
ArbitrLikvidat [17]

All annelids and arthropods have a body plan. Unlike annelids, arthropods also have a coelom, and a segmented body. The circulatory system of annelids is closed, while the circulatory system of arthropods is opened.

Arthropods are invertebrate organism that possess a stiff exoskeleton, a segmented body, and paired jointed appendages. Arthropods include insects, crustaceans, myriapods, and arachnids. Arthropods possess an open circulatory system; a system without blood vessels. The circulatory system of arthropods is made up of a tube (the heart), and an open hemocoel (in which the blood moves).

Annelids are invertebrate animals that have a body cavity, movable bristles, and a segmented body. Annelids include earthworms, and leeches. The circulatory system of annelids is closed; blood circulates through a closed system of blood vessels.



4 0
3 years ago
Read 2 more answers
A. Mitochondria and chloroplasts are found inside all cell types.
Lemur [1.5K]

Answer:

B, C and D

Explanation:

Mitochondria and chloroplasts are not found in prokaryotes, since they prokaryotes do not contain any membrane-bound organelles. Chloroplasts are not found in animal cells either, so A is incorrect.

5 0
2 years ago
Aristotle's ladder of nature, and the Great Chain of Being, were concepts suggesting __________.
jok3333 [9.3K]

Answer:

c) the mystical teleological view that all species were created in a fixed order, from least to most perfect

Explanation:

The teleological argument states that God created all living things, this belief is also known as intelligent design or creationism. This belief might be considered to be opposed to the mechanism of natural selection proposed by Darwin to understand how species evolve, which can explain the complexity of living things. The creationism was firstly proposed by Socrates in ancient Greece. Subsequently, Plato (who was a student of Socrates) and Aristotle (who was a student of Plato) substantially enhanced the arguments of the intelligent design.

4 0
3 years ago
1. Explain why it can be useful for you and your doctors to know your family’s medical history, including information about pare
notsponge [240]

1. Knowing our family’s medical history can be useful for us and our doctors because it can help to check the possibility of occurrence of genetic disorders.  Genetic disorders are passed on through several generations. Diseases like hemophilia and color blindness are some examples.

2. Contaminated water can negatively affect the health of an individual as well as a community. Pathogens contained in contaminated water causes several diseases. Diseases like cholera and typhoid are examples of water-borne diseases.  

The bacterium that causes typhoid is Salmonella typhi and the pathogen that causes cholera is the bacterium Vibrio cholera. The consumption of water contaminated by the feces of a person infected with cholera cause the spreading of disease to a healthy person. Contaminated water and poor sanitation is the cause of typhoid spread as well.

3. Two types of drugs are stimulants and hallucinogens. Stimulants increase the alertness of the person who uses it and increases the heart rate, blood pumping rate and blood glucose levels. Cocaine is an example of stimulant drug.

Stimulant abuse can lead to anxiety, paranoia, depression etc. hallucinogens disconnect the link to the brain and users experience unstable and rapid emotions and have hallucinating visions.LSD is an example of hallucinogen. Hallucinogen abuse can cause cognition distortions, paranoia, anxiety etc.

8 0
3 years ago
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