Polysaccharides are complex carbohydrates made up of multiple simple sugar units linked together.
Starch is a polysaccharide made up of glucose units and serves as a storage form of energy in plants. It is made up of two types of molecules: amylose and amylopectin. Amylose is a linear chain of glucose units, while amylopectin is a branched chain of glucose units.
Cellulose is also a polysaccharide made up of glucose units, but it is structurally different from starch. It is a linear chain of glucose units that are linked together by beta-glucosidic bonds, which makes it very strong and gives plants their structural rigidity. Cellulose is an important component of plant cell walls.
Glycogen, like starch, is a storage form of glucose found in animals, specifically in the liver and muscles. It is a highly branched polymer of glucose units, making it more efficient in storing large amounts of glucose in small spaces.
In summary, Starch serves as energy storage in plants, cellulose is the structural component of plants, and glycogen is the storage form of glucose in animals.
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what are some ways allopatric speciation can occur
Dispersal, which happens when a few individuals of a species travel to a different region, or vicariance, which happens when a natural occurrence, such the development of a river or valley, physically divides organisms, are the two ways that allopatric speciation events might take place.
When two groups of organisms are divided by a physical or geographical barrier, allopatric speciation takes place. Mountains, oceans, and even sizable rivers are typical examples of these obstacles.
The geographic barrier that divides the Atlantic and Pacific oceans is the isthmus of Panama. An isolated island is where allotropic speciation is most likely to happen. Because of the island's proximity to the mainland, there is less chance of the emergence of new species.
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What are the advantages in fish reproducing sexualy
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Predict how oxygen crosses the plasma membrane if the concentration of oxygen is lower
inside the cell than it is outside the cell.
A) Oxygen enters the cell through channel proteins.
B) Oxygen leaves the cell through channel proteins.
C) Oxygen enters the cell through the plasma membrane.
D) Oxygen leaves the cell through the plasma membrane.
Oxygen crosses the plasma membrane if the concentration of oxygen is lower inside the cell than it is outside the cell and diffusion is movement of a substance from a higher concentration to a lower concentration. The oxygen would move into the cell.
What is diffusion?Diffusion is the process by which solvent molecules move from lower concentrations to higher concentrations, or from less concentrated solution to highly concentrated solution, via a semipermeable membrane.The movement of the water occurs during the osmosis process.The wall that separates and shields the interior structure of the cell from the outside world is known as the cell membrane.The major purpose of the cell membrane is to keep harmful substances outside of the cell.Only specific permeable membranes are permitted to enter cells thanks to channels and receptors found in the cell membrane.Diffusion is the movement of a substance from a higher concentration to a lower concentration, therefore oxygen crosses the plasma membrane if the concentration of oxygen inside the cell is lower than it is outside the cell.Eventually, the oxygen would enter the cell.To learn more about diffusion refer
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what happens if a plant cell is placed in a hypotonic solution?
A hypotonic solution is one that has a lower concentration of solutes than the cell itself. When a plant cell is immersed in a hypotonic solution, it absorbs water by osmosis.
This causes the cell to swell and can lead to cell lysis, which is when the cell membrane ruptures due to the increased pressure from the water influx. Once the cell membrane ruptures, the cell's contents are released into the environment, leading to the death of the cell. The reason for this is that the cell does not have a built-in structure to counter the pressure of the incoming water.
As a result, the cell membrane is unable to withstand the pressure and ruptures. To maintain its internal environment, a plant cell must be placed in an isotonic solution, which has the same solute concentration as the cell itself. This will allow the cell to remain in a state of equilibrium, avoiding the risk of cell lysis.
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Do pupils dilate when you look at someone you love?
Answer:
Your brain gets a boost of these chemicals when you're sexually or romantically attracted to someone. This surge in hormones appears to make your pupils dilate.
How do I stop my knees from creaking?
Creaking or cracking sounds in the knee can be caused by a variety of factors, and there are several things that can be done to help reduce or eliminate these sounds.
Exercise: Performing regular exercise can assist the muscles and tendons that support the knee joint to become stronger and more flexible. Maintaining a healthy weight might assist relieve pressure on the knee joints and lessen the probability of squeaking.
Stretching can assist increase flexibility and lessen cracking by being done both before and after exercise. Decent posture: Keeping a good posture will lessen the strain on your knees and lessen the probability that they'll creak.
Use appropriate form when exercising to lessen the strain on your knees and the risk that they may creak. Avoid activities with high impact: Running and jumping can impose an excessive amount of stress on the knee joints and raise the risk of cracking.
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cerebrospinal fluid is formed by capillary knots called
Answer:
choroid plexuses
Explanation:
Cerebrospinal fluid is formed by capillary knots called choroid plexuses, which hang into the ventricles of the brain.
wobble base pairing allows some trnas to bind to more than one type of codon. if wobble base pairing occurs, what is the minimum number of trnas required to translate all the amino acids in the codon table of the genetic code?
The minimum number of tRNAs required to translate all the amino acids in the codon table of the genetic code is 61.
This is because there are 61 codons that code for the 20 amino acids, and some of these codons are translated by the same tRNA due to wobble base pairing. Wobble base pairing allows for a single tRNA to recognize multiple codons, which reduces the number of tRNAs needed to translate the genetic code.
This phenomenon is also known as degeneracy, which is defined as the ability of multiple codons to code for the same amino acid. The degeneracy of the genetic code is due to the fact that many amino acids are encoded by more than one codon, and this is possible due to wobble base pairing.
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How do I train after knee surgery?
Recovery from knee surgery can take several months, and it's important to follow the specific instructions and rehabilitation protocol provided by your surgeon and physical therapist.
Follow a range of motion exercises: Gentle range of motion exercises such as straightening and bending the knee can help maintain flexibility and prevent stiffness.
Focus on strength training: Strengthening exercises for the quadriceps and hamstring muscles can help support the knee joint. Gradual progression: Gradually increase the intensity and duration of physical activity as the knee heals and tolerance improves.
Use assistive devices: As recommended by your surgeon, use assistive devices such as crutches or a knee brace to help protect the knee while it heals. Avoid high-impact activities: High-impact activities such as running or jumping should be avoided until cleared by your doctor or physical therapist.
Aquatic therapy in a pool can be a good way to improve knee function and strength in a low-impact environment.
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i need help in 9th grade help!!!
The function of DNA polymerase is to link complementary base pairs to the parent strand (option B).
What is DNA replication?DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule.
DNA replication occurs prior to cell division so that each daughter cell receives an equal amount of genetic material.
Certain enzymes are involved in the successful completion of the replication process and one of the important ones is DNA polymerase.
DNA polymerase is an enzyme that catalyzes the formation of polymers of DNA using an existing strand of DNA respectively as a template i.e. links base pairs of DNA.
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What is the name given to a set of controlled observations that test a proposed explanation?
Experiment is the name given to a set of controlled observations that test a proposed explanation.
To ascertain if changes in one variable might result in changes in another, investigators conduct experiments. We can make better choices about our concepts and tasks by experimenting. People frequently make the error of taking an idea and running with it without first evaluating the underlying premises. Although we frequently don't realize, we only presume when we believe we do.
In a controlled setting, like a lab, controlled observation is a research technique that involves watching individuals. In a controlled observation, the researcher decides the place, the schedule, the volunteers, and the equipment to be used to carry out the research. The researcher also predicts and regulates the study variables.
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Which phase of the cell cycle could you identify most readily with a light microscope
Fig. 2.1 shows two microscopic structures that are adapted for absorption, one from an animal and the other from a plant. The structures are not drawn to the same magnification.
The process by which a substance absorbs and transforms energy is known as absorption. The material captured by the absorbent is distributed throughout the structure, whereas the adsorbent only distributes it on the surface.
What exactly are microscopic structures ?
Microscopic anatomy (micro; small) is a branch of anatomy that examines the smallest structures of the body, such as tissues, cells, and molecules, using microscopes. The equipment available limits the scope of microscopic anatomy examination.
It is the study of the structure and parts of the body without the use of a microscope. The examination of relatively large structures and features that are normally visible with the unaided eye is referred to as macroscopic anatomy.
The study of the microscopic structure of tissues and organs is referred to as histology. Histology is an important subject in university degree programmes in human, dental, and molecular medicine. The goal is to gain a thorough understanding of the structure, form, and function of cells, tissues, and organs.
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A scientist is studying trace fossils of an early mammal. Which type of information can be learned from studying trace fossils?.
Trace fossils can provide us information about indirect evidence of life in the past.
Fossilized animal tracks can tell us different things about the animals that made them. By looking at the shapes of tracks, scientists can figure out what kind of feet made the tracks. Researchers can tell how an animal stood and moved by looking at its trackways, which are groups of at least three consecutive tracks. Researchers can also learn about how ancient animals interacted with each other by looking at how they left tracks.
Researchers take pictures, measure, and make notes about fossil tracks they find. So that information doesn't get lost, it is important to write down as much as possible about a fossil while it is still in the ground. Scientists write down the shapes and directions of the tracks, where they are in relation to each other, how old the rocks are and what kind they are, and where the site is. They also take photos with a size reference (like a centimeter scale) and often trace the positions of a series of tracks on see-through material like acetate.
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How can using a journal help someone become more fit?
People who keep track of their diet and exercise can learn more about their body composition and alter their diet and exercise routine as necessary. Additionally, keeping a journal might help people feel more accountable for achieving their fitness objectives.
You may be honest with yourself every day and learn why you are achieving or failing to achieve your goals by keeping a fitness journal. Regardless of your current fitness level, this will enable you to keep challenging yourself and progressing.
You can maintain progressing if you keep a fitness journal. A fitness journal is a crucial tool that makes it simple for you to identify what in your exercise regimen is effective and what is not. You can make more rapid progress toward fitness by tracking important data.
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one type of evidence supporting a common ancestor is the existence of similar traits in related organisms that are functional in some species but not in others, such as the tailbone in humans. what is the term used to describe the nonfunctional traits? such traits are called .
Such traits are called vestigial.
Vestigial traits are those physical characteristics and behaviors that have no current use but have been inherited from our ancestors. These traits are thought to have served a purpose in the distant past, but are now present in modern species without any known purpose or benefit.
Examples of vestigial traits found in humans and other species include tail bones, wisdom teeth, and appendixes. While the purpose or function of these traits is often unknown, they are an important reminder of our evolutionary past.
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Which of the following techniques is a mechanical IPM method for reducing pests?
B - The use of screens or traps to prevent pests from entering the crop area
Cultural control (crop rotation, usage of regionally adapted or pest-resistant/tolerant cultivars, etc.) is one IPM pest control strategy.
Controlling and preventing pests like insects, rats, and other animals from harming crops, structures, and other regions is the process of pest control. Pest control techniques come in a variety of forms, including chemical techniques like pesticides and physical techniques like barriers and traps. Pest controllers carry out inspections to hunt for pests and indications of harm from pests. After then, use successful remedies to resolve the issue and stop it from happening again. The pest management strategy you select will determine whether repeated treatments are necessary. Pest management offers a defense against insects that could endanger public health and result in expensive property damage. When we hear the words "pest control" or "pest control," we frequently picture getting rid of fleas, spiders, or cockroaches.
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how many nitrogen bases on mrna are needed to build a polypeptide that is made of 5 amino acids?
Answer:
Explanation:
i do not know i am not smart
Which of these helps molecules move through a cell membrane using facilitated diffusion when they are too large to move through unassisted?
A. vacuoles
B. protein channels
C. air pockets
Answer:
The answer would be B. Protein Channels!
What is the name of bone cells?
The two main types of cells that make up bone tissue are osteoblasts and osteoclasts.
Osteoblasts are the cells responsible for creating and maintaining bone tissue. They secrete substances which form the matrix of the bone, including collagen, minerals, and other proteins. Additionally, osteoblasts also regulate the formation of new blood vessels to provide vital nutrients to the bone tissue.
Osteoclasts are the cells responsible for breaking down old bone. They secrete enzymes that dissolve the mineralized material of the bone matrix, allowing the body to reabsorb and use the calcium and other minerals found in the bone. This process is essential for keeping the bones healthy and strong.
Together, these two types of cells work together to keep bones healthy and strong.
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all living things, which are made of cells, must make atp energy to survive.
Adenosine triphosphate or ATP is a substance that cells use as a manageable source of energy. Given that it serves as the common energy source for all living cells, the energy-carrying molecule (ATP) is referred to as "the currency of life."
Each and every one of the cells that make up a living thing needs ATP to function. The energy from the food we eat is then used to create ATP. It serves as a fundamental building block for all living things. Without ATP, cells wouldn't have the energy or capacity to carry out the tasks required for survival, and they would inevitably perish. ATP is essential for all life forms to perform the tasks necessary for survival. ATP stands for a fully charged battery, whereas ADP stands for "low-power mode," much like a rechargeable battery with a variable level of charge. There are two types of cellular respiration that mitochondria can use to turn glucose into ATP: aerobic and anaerobic that further includes the process of glycolysis, Krebs-cycle, and Electron transport chain
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The population of bacteria in a petri dish triples every 10 minutes. The population of the bacteria is initially 400 organisms. What unit is most appropriate for the time at which the number of bacteria is 600?.
The most appropriate unit of time for the number of bacteria to be 600 is 20 minutes.
The population of bacteria in a petri dish triples every 10 minutes. This means that the population will double every 5 minutes.
If the initial population of bacteria is 400 organisms, it will take 20 minutes for the population to reach 600 organisms.
To calculate this, we can use the equation:
Time (minutes) = Log3 (600/400) x 10
Time (minutes) = Log3 (1.5) x 10
Time (minutes) = 0.47712125 x 10
Time (minutes) = 4.7712125
Time (minutes) = 20 minutes
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Use a model to illustrate how photosynthesis transforms light energy into stored chemical
energy. use the pictures to draw/ describe the model
The best description of photosynthesis is energy storing.
What is photosynthesis?The process of photosynthesis is the process by which green plants prepare their own food in the presence of sunlight and during this process light energy is converted into chemical energy.
Photosynthesis has been the energy storing because the process converts light energy into chemical energy, which is stored in the bonds of glucose.photosynthesis transforms light energy into stored chemical energy in the diagram.
Therefore, The best description of photosynthesis is energy storing.
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a cell with two sets of chromosomes is called a diploid cells these cells are typically found throughout the body tissues and are called
A cell with two sets of chromosomes is called a diploid cell (2n). These cells are typically found throughout the body tissues and are called as somatic cells.
What are Somatic cells?A somatic cell is also called as vegetal cell. It is any biological cell which is involved in forming the body of a multicellular organism other than that of a gamete, or germ cell, gametocyte (n). Such cells compose the body of an organism and divide through the process of binary fission and mitotic division.
Somatic cells are the cells which form the whole body of an organism except the reproductive cells. These cells divide through mitosis. This type of cell division is known equational division. Through this division, many asexually-reproducing organisms produce offspring.
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the endocrine system incorporates feedback mechanisms that maintain homeostasis. Which of the following demonstrates negative feedback by the endocrine system?
Negative feedback by the endocrine system refers to a mechanism by which the body regulates the levels of hormones in order to maintain homeostasis.
One example of negative feedback by the endocrine system is the regulation of glucose levels in the blood by insulin and glucagon.
When blood glucose levels rise, the pancreas secretes insulin, which promotes the uptake of glucose by cells, thereby reducing blood glucose levels. As glucose levels decrease, the pancreas secretes less insulin, allowing glucose levels to return to normal.
This is an example of negative feedback because the body is actively working to return the glucose levels to normal, and the output (insulin) decreases as the input (glucose) decreases.
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What is the structural difference between the polysaccharides amylopectin in starch and glycogen?
In plants and animals, respectively, two types of starch are present: amylopectin and glycogen.
They both include glucose monomers and are polysaccharides. The branched chains of amylopectin and glycogen are. Unlike amylopectin, glycogen has many more branches.
The primary distinction between glycogen and amylopectin is that the latter is a soluble form while the former is an insoluble form. The two forms of starch that make up the majority of a plant's storage polysaccharides, including amylopectin, are starch. Animals' primary polysaccharide form of storage is called glycogen.
As opposed to amylopectin, which is a lengthy, branching chain with some coils, amylose is an unbranched, coil-free chain. Cellulose: In order to create H-bonds with neighboring chains, cellulose is a long, straight, unbranched chain. Glycogen is made up of short, numerously branched chains, some of which have specific chains.
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What is the phenotype of two dominant genes?
Answer:
The phenotype of two dominant genes is the physical traits that are expressed when these two particular genes are present. Which can be anything from hair colour to eye colour, height and more. The combination of these two dominant genes will determine what the final appearance looks like for an individual organism.
Explanation:
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what part of the brain is responsible for connecting left and right hemisphere?
Answer: The corpus callosum
Explanation:
The two hemispheres are connected by a thick band of nerve fibers called the corpus callosum. The brain halves are able to communicate with each other via this 'bridge'.
After ovulation, how does the ovum get from the ovary to the uterus?
The fallopian tubes, which are slender tubes linked to the top of your uterus, are the routes that your egg (or ovum) takes to get to your uterus from your ovaries. In the fallopian tubes, an egg and a sperm are often fertilised.
Ovulation marks the beginning of egg transport, which terminates when the egg enters the uterus. The fimbriated, and thumb, tip of a fallopian tube glides over the ovary after ovulation. The egg is picked up and moved into the tube by the cilia's adhesive sites, which are present of the fimbriae. An ovary releases a small egg in one of the uterus once a month during ovulation. Menstruation occurs approximately two weeks after the egg leaves the stomach through the uterus, excluding sperm fertilisation while it is still in the fallopian tube. The fertilised egg must move to the uterus and connect to the uterus for around 6 to 12 days, a procedure called as implantation (1,8).
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nucleotides contain sugar, a phosphate group, and a nitrogen base. Which of the following is a nitrogen base
Nucleotides contain sugar, a phosphate group, and a nitrogen base and guanine is a nitrogen base, hence option B is correct.
What is the structure of DNA?A phosphate group, a 5-carbon sugar, and a nitrogenous base make up a nucleotide. Adenine, cytosine, guanine, and thymine are the four nitrogenous bases found in DNA. Instead of thymine, uracil is found in RNA.
A nitrogen base and pentose sugar make up a nucleoside. Ribose and deoxyribose are pentose sugars. Purines and pyrimidines are nitrogen bases.
Therefore, guanine is a nitrogen base.
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