Answers
Answer:
Polysaccharides have three basic functions: structural support, energy storage, and signal transmission in cellular communication.
What are polysaccharides?Polysaccharides are polymeric carbohydrate molecules composed of long chains of monosaccharide units bound together by glycosidic linkages and on hydrolysis give the constituent monosaccharides or oligosaccharides. They range in structure from linear to highly branched. Polysaccharides are often quite heterogeneous, containing slight modifications of the repeating unit. Depending on the structure, these macromolecules can have distinct properties from their monosaccharide building blocks. They may be amorphous or even insoluble in water.
When all the monosaccharides in a polysaccharide are the same type, the polysaccharide is called a homopolysaccharide or homoglycan, but when more than one type of monosaccharide is present they are called heteropolysaccharides or heteroglycans.
Polysaccharides contain more than ten monosaccharide units. Definitions of how large a carbohydrate must be to fall into the categories polysaccharides or oligosaccharides vary according to personal opinion. Polysaccharides are an important class of biological polymers. Their function in living organisms is usually either structure- or storage-related.
Starch (a polymer of glucose) is used as a storage polysaccharide in plants, being found in the form of both amylose and the branched amylopectin. In animals, the structurally similar glucose polymer is the more densely branched glycogen, sometimes called 'animal starch'.
Glycogen's properties allow it to be metabolized more quickly, which suits the active lives of moving animals.
Cellulose and chitin are examples of structural polysaccharides. Cellulose is used in the cell walls of plants and other organisms, and is said to be the most abundant organic molecule on earth.
Chitin has a similar structure, but has nitrogen-containing side branches, increasing its strength. It is found in arthropod exoskeletons and in the cell walls of some fungi.
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Related Questions
The skeletal system is the framework of the human body, comprised of bones, joints, and connective tissue. The integumentary system forms the largest system of the human body and is made up of skin, hair, nails and glands. How do the skeletal and integumentary systems work together to protect the human body?
A. The two systems initiate muscle contractions that protect the human body.
B. The two systems provide a barrier between the outside environment and the internal organs of the body.
C. The two systems initiate an immune response that protects the human body.
D. The two systems deliver signals between the outside environment and brain.
Answers
Answer:
A.
Explanation:
by maintaining the right amount of pressure, the right temperature, and controlling what comes into the body, your skin protects those muscles that help you move around.
Think of all the components that contribute to the flow of energy and matter in a food web. Which of the following groups forms the base of the food web? Group of answer choices
Answers
Answer:
Producers. Primary producers — including bacteria, phytoplankton, and algae — form the lowest trophic level, the base of the aquatic food web. Primary producers synthesize their own energy without needing to eat.
Explanation:
A student carries out an investigation on a strain of bacteria that is used to decompose oil spills. She keeps all the solution in a lighted incubator at a temperature of 22 degree C. After three days she removes the samples and counts the number of bacteria in each. which question is the student investigating?
Answers
Answer:
A
Explanation:
I did the question and got it right in class
The primary factors which determine each biome are:
land features
plate tectonics
sunshine
rainfall
temperature
Answers
Answer:
temperature is the most important factor of any biome
What is the term for a molecule that combines with enzymes ,undergoes a chemical reaction ,and changes into new substance?
Answers
Answer:
substrate
Explanation:
A substrate is the term for a molecule which combines with enzymes when acted upon and changes into a new substance.
Answer:
Substrate
Explanation:
Pls help with the highlighted just send me a pic on safari or something.
Answers
Answer:
your answer is attached
Hope this will helps you......
Which statements accurately describe the characteristics of the cell membrane?
Answers
Answer:
If this is the question on edge2020 the correct answers are:
-The cell membrane’s protein channels only let certain molecules pass through.
-The cell membrane has protein channels that are partly inside and partly outside the cell.
- The cell membrane is a double layer of phosphate molecules and lipids.
Explanation:
I HOPE THIS HELPS!!
When you sweat a lot the amount of water in your blood can drop. Your cells have to maintain a certain level of water and salt in order to function properly. Which systems work together to help maintain homeostasis when you are dehydrated?
Group of answer choices
The nervous system sends a message to the musculoskeletal system to increase the amount of sweat produced.
The nervous system sends a signal to the digestive system to reduce the absorption of water from the digested food.
The respiratory system breathes faster sending a message to the nervous system to reduce heat.
The circulatory system’s lack of water causes the nervous system to signal the excretory system to reduce the amount of water it takes from the body to produce urine.
Answers
Answer:
The circulatory system’s lack of water causes the nervous system to signal the excretory system to reduce the amount of water it takes from the body to produce urine.
Explanation:
endocrine, nervous, and muscular systems work together and maintain temperature homeostasis.
describe the part of meiosis that are similiar to mitosis
Answers
if the light intensity decreases then the dissolved oxygen level will decreases because
Answers
Please answer will mark brainiest!
Answers
ONLY ANSWER IF YOU KNOW!! NO SPAMS :)
Answers
Answer:
The answer is Mycellium.
Explanation:
Hope this helps! :)
Answer:
D
Explanation:
I'm pretty sure this is the answer
(Love your pfp btw)
Which three processes are methods of genetic recombination? natural selection, crossing over, and independent assortment crossing over, independent assortment, and fertilization independent assortment, fertilization, and natural selection fertilization, natural selection, and crossing over
Answers
Answer:
Crossing over, Independent assortment, and fertilization
Explanation:
Genetic recombination is the exchange of genetic material between organisms.
Genetic recombination is the process that occurs when two or more genomes combine to form a new genome. It is an important mechanism of evolution and is responsible for the diversity of life.
What are the three main processes of genetic recombination ?The three main processes of genetic recombination are natural selection, crossover, and independent assortment. Natural selection is the process by which certain traits are passed down from generation to generation because they are beneficial to the organism.
This process is controlled by the environment and can result in the evolution of new species. Crossing over is the process by which chromosomes exchange genetic material during meiosis. This process increases genetic diversity and can lead to the creation of new traits.
Finally, independent assortment is the process in which the alleles of a gene are randomly distributed to gametes during meiosis. This process also increases genetic diversity and can lead to the creation of new traits. All three processes of genetic recombination are necessary for the evolution of species and the development of new traits. Without these processes, genetic diversity would decrease and species would become less adaptable to their environment.
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Of the sheep discussed in the presentation, which of the following has the heaviest and largest horns?
O Desert Bighorns
O Aoudad
O Rocky Mountain Bighorn
O Pronghorn
Answers
The Desert Bighorn has the heaviest and largest horns out of the options.
I hope this helps!
Why is it difficult to know the impacts of deep sea mining?
O It has never been tried successfully, so we don't know exactly how it can be done.
Olt is only done in environmentally sensitive areas, where the organisms are being harmed in many ways already, and it is difficult to know the effects of mining.
We know relatively little about deep sea ecosystems, making it harder to assess the impact of mining.
O Most countries have laws against it, so the impacts have not been tested.
Answers
Answer:
I'm pretty sure its...
Explanation:
We know relatively little about deep sea ecosystems, making it harder to assess the impact of mining.
Deep sea mining has never been tried successfully, so we don't know exactly how it can be done so it is difficult to know the impact of deep sea mining.
what is deep sea mining?The process of extracting and often excavating mineral deposits from the deep seafloor is known as deep-sea mining.
The deep bottom spans around two-thirds of the total seafloor and is found at ocean depths greater than 200 meters.
Deep-sea mining has been shown to affect marine biodiversity and ecosystems, but we still lack the knowledge and resources to safeguard them.
There are considerable gaps in our understanding of the deep sea's biodiversity and ecosystems since it is still understudied and poorly understood.
This makes assessing the possible effects of deep-sea mining and putting in place necessary safeguards to protect the marine ecosystem and the three billion people whose livelihoods rely on marine and coastal biodiversity challenging.
Hence , the correct option is A.
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Which part of an organism is preserved in cast and mold fossils?
skin
bone
muscle
soft tissue
Answers
Answer:
Body fossils
Explanation:
Normally, only the hard skeleton is preserved (shell or bone), and the soft tissue (skin, muscle, organs, etc.) rots away after death. Animals with weak skeletons (e.g., a shrimp or an insect) are less likely to be preserved and animals that lack a skeleton entirely are very rarely fossilized.
The energy lost during transformation is always in the form of:
O mechanical energy
chemical energy
sunlight
O heat
Answers
Answer:
Heat Energy
Explanation:
When energy is transformed from one form to another, or moved from one place to another, or from one system to another there is energy loss. This means that when energy is converted to a different form, some of the input energy is turned into a highly disordered form of energy, like heat.
Hope this helped! :^)
the anatomical term for eye is
Answers
Answer:
Oculus
Explanation:
The organ of vision that consists of the eyeball and the optic nerve. Synonym(s): oculus [TA] .
Answer:
Medical Terminology Ophthalm/o = Eye Ophthalm/o = Eye Ophthalm/o = Eye Opt/o = Vision.
Light passes through the front of the eye (cornea) to the lens. The cornea and the lens help to focus the light rays onto the back of the eye (retina). The cells in the retina absorb and convert the light to electrochemical impulses which are transferred along the optic nerve and then to the brain.
Explanation:
Sorry if it's wrong
I hope this helps
Once a cumulus cloud has formed, what needs to happen in order to produce a
thunderstorm?
A downdraft in the atmosphere needs to activate
the water droplets to begin falling.
Some of the accumulated water droplets need to
detach from th cumulus cloud.
Enough water droplets need to band together to
start falling back to earth as rain.
The temperature needs to increase rapidly before
anything will change.
Answers
Answer: Enough water droplets need to band together to
start falling back to earth as rain.
Explanation: I took the test
based on the information in the image above what is a major difference between viruses and bacteria
Answers
Answer:
the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.
4. A student is given two different objects, a marble and a cube, that appear to be made of the same substance. The student did some measurements of the objects and
recorded the measurements in the table.
Volume before
adding the
marble
Volume of the
water with the
marble added
Mass of the
cube is 66
Mass of the
martile-715
Cube dimensions:
length 2.4 cm
width: 1.3 cm
height 2.7 cm
Using the student's measurements, What is the best determination that can be made about the objects?
The formula for density is D=MIV.
A. The objects are different substances because their masses are different
B. The objects are different substances because their densities are different.
C. The objects are different substances because their volumes are different.
D. The objects are the same substance because they have the same density
Answers
The true statement is that the objects are different substances because their densities are different.
Density is an intrinsic property of matter. It does not depend on the amount of substance present. It is a characteristic of substances. If two substances are the same, they must have the same density.
Considering the information presented here, the cube and the marble are different materials hence they have different densities.
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What enzyme is necessary to permanently link the digested foreign and plasmid DNA together to form the recombinant DNA molecule? How does this enzyme work?
Answers
Answer:
The enzyme that is needed to permanently link the digested foreign and plasmid DNA together to form the recombinant DNA molecule is DNA Ligase. it is often used to insert genes as well as other pieces of DNA into plasmids during the cloning of DNA.
I need help with this table
Answers
Photosynthesis and cellular respiration are two close related and complementary processes. Photosynthesis produces organic molecules and releases oxygen, which are used during cellular respiration to produce water, ATP, and CO₂.
What are photosynthesis and cellular respiration?
Photosynthesis is a process plant cells go through when absorbing sunlight.
During photosynthesis, light energy and inorganic compounds are used to produce organic compounds -glucose- and release oxygen.
It occurs in chloroplasts and involves two stages: light-dependent and light-independent reactions.
• During light-dependent reactions, oxygen is released, while ATP and NADPH are produced. Both of them are used during light-independent reactions. It occurs in the thylakoid membrane in the electron transporter chain.
• The light-independent reaction occurs in the Calvin cycle in the stroma. During this stage, carbon from CO2 is fixated, and sugar molecules are synthesized
Cellular respiration is the process through which cells use organic compounds to produce energy.
Cellular respiration follows two ways, which depend on the presence or absence of oxygen, and both of them begin with the process of glycolysis, which occurs in the cytoplasm and does not need oxygen to occur.
Aerobic Respiration1. Occurs in the presence of free oxygen.
2. Series of reactions by which pyruvic acid (product of glycolysis) turns into CO₂ and H₂O, producing many ATP molecules.
3. Respiration occurs in the mitochondria.
4. Takes place in two steps or stages: Krebs cycle and electron transporter chain.
5. Glycolysis and Krebs cycle produce electrons, which then travel along the electron transporter chain while releasing energy, and ATP is produced.
Anaerobic Respiration1. Occurs in the absence of free oxygen
2. Series of reactions by which using pyruvate (product of glycolysis) 2 ATP molecules van be produced.
3. There are two ways in which anaerobic respiration can be produced: lactic fermentation and alcoholic fermentation.
4. Lactic fermentation produces lactic acid and 2 ATP
5. Alcoholic fermentation occurs in two steps, and the final products are ethylic alcohol, 2ATP, and 2 CO₂
6. The whole anaerobic process occurs outside the mitochondria.
Photosynthesis is complementary to cellular respiration.
Cellular Respiration: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂OPhotosynthesis: 6CO₂ + 6H₂O → C₆H₁₂O₆+ 6O₂Table in the attached files
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Which is one of the characteristics that Mars and earth share
Answers
Answer:
They both have water, semi-regular temperatures, and mars has a partially livable atmosphere.
Answer:
Temperature and atmosphere
Explanation:
The geological processes in mars and earth are common
Examples formation of Volcanoes
What would be some realistic mutations you would want to have?? Please I need help
Answers
Answer:
1. Enhanced night vision
2. Ability to self-heal
3. Increased strength
4. Temperature regulation
5. Aquatic adaptation
6. Photosynthesis
7. Increased intelligence
8. Ability to fly
Explanation:
Lisa is interested in studying the chemical processes in living organisms.
In which field of biology should she pursue her studies?
Answers
Answer:
Lisa should pursue biochemistry.
Answer:
Biochemistry
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if you were running the 50 yard dash we’re would most of the atp in your body come from during the race
Answers
During the 50-yard dash, most of the ATP produced by your body will be generated from the breakdown of glucose in the glycolysis process. During the process of glycolysis, glucose is converted to pyruvate and a small amount of ATP is created. This action does not require oxygen, which is present in the cytoplasm of the cells.
However, pyruvate can be broken down further through aerobic respiration when oxygen is present, resulting in the production of much more ATP. In light of this, depending on the intensity and length of the run, some ATP may also be created through aerobic respiration.
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An amino acid's unique characteristics is defined by the ________.
Answers
Explain how different links can show a relation between two species. Describe evidence that shows other correlations and causations between the species.
Answers
Different links show relationships between two species. In the scientific world, there are three types of links, including mutualism, parasitism, and commensalism.
Mutualism is a relationship in which both species benefit. Parasitism is where one species benefits, and the other is harmed. Commensalism is a relationship in which one species benefits, and the other is not harmed or helped.One example of a mutualistic relationship is the bee and flower relationship. Bees collect nectar and pollen from flowers for their food, while at the same time, the bee helps in pollination. The bee gets food from the flower, and the flower is pollinated. This is a mutualistic relationship. A parasitic relationship is the relationship between tapeworms and humans. Tapeworms live inside the host and get their food from the host, thereby, causing harm to the host. Evidence that shows correlation and causation between the species includes physical changes in the organism or adaptations to the environment. For example, an animal that feeds on a certain plant may evolve to have a longer tongue to reach the nectar of that plant. In summary, different links show relationships between species, including mutualism, parasitism, and commensalism. The evidence for the correlation and causation between species includes physical changes or adaptations in the organism or environment.For more questions on species
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PLEASE HELP QUICK
in which kingdom are the cells of all organisms autotrophic?
A. bacteria
B. protista
C. fungi
D. plantae