the skeleton of sea urchins consists of ten sets of closely fitting plates and is called
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Related Questions
The king cobra expand its muscles and ribs on both sides of its neck how does this behavior help the snake to survive
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King Cobras are also the only snake to build a nest for their young, so they also do this to protect the nest, their family, and territory
A mineral deficiency is likely to affect older leaves more than younger leaves if A. the mineral is a micronutrient. B. the mineral is very mobile within the plant. C. the mineral is required for chlorophyll synthesis. D. the mineral is a macronutrient.
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A mineral deficiency is likely to affect older leaves more than younger leaves if the mineral is very mobile within the plant.
How mineral deficiency is likely to affect older leaves?
Rapid mineral remobilization first causes deficiencies in older leaves. Therefore, elder leaves are the first to display a lack of quickly remobilized components.Interveinal chlorosis, a condition where older leaves exhibit chlorosis between veins, is common. In cases of severe deficiency, a plant's rate of growth slows, its leaf size shrinks, and its lower leaves fall off. Cropped illustration: Lower leaves have dark green veins and are paler and more chlorotic than higher leaves.Plants first display signs of molybdenum shortage between the old and new leaves. Any nutrient in excess can be hazardous to plants. Salt burn symptoms may arise from using too much fertilizer.To learn more about minerals refer to:
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blood arriving in the right atrium has just come from the ________.
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Blood arriving in the right atrium has just come from the systemic circulation.
The right atrium receives deoxygenated blood from the systemic circulation, which is the part of the circulatory system that supplies blood to the body's tissues and organs, except for the lungs. This blood is returned to the right atrium via two large veins called the superior and inferior vena cava.
Once the blood enters the right atrium, it is then pumped through the tricuspid valve into the right ventricle. From there, the blood is pumped into the pulmonary artery, which carries it to the lungs to receive oxygen.
After oxygenation, the blood returns to the left atrium through the pulmonary veins, then passes through the bicuspid or mitral valve into the left ventricle. Finally, the oxygen-rich blood is pumped out through the aorta and back into the systemic circulation to supply the body with oxygen and nutrients.
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This system gets rid of waste material
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Answer: The excretory system gets rid of waste and excess water.
There are major organs tasked with removing toxic substances from your body organs are kidneys, and lungs
Explanation:
Kidneys: ( One pair of organs in the abdomen). The kidneys act as a filter for the strain of urea and excess salts from the blood as it flows through the body to release them in the urine. The urine flows from the kidneys to the bladder through two thin tubes of muscles known as ureters. The bladder's main function is to store urine. Lungs: (one of the pair of organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body. Lungs bring fresh air (oxygen) into your body. and release carbon dioxide as well as unwanted materials. In respiration, food is broken down into carbon dioxide and water in the presence of oxygen by released oxygen.Describe the structure of amino acids, and explain how their sequence in proteins affects the proteins' shapes. What are the essential amino acids (definition and a list)
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Answer:
the sequence of anemia of a protein determine eyes protein shape since the chemical properties of each animal acids are force that give rise to enter mosquicular interactions to begin to create a can be success and be stands
Explanation:
your body need 20 different kinds of animal assist to fun to formation correctly this 20 enemy as his combined in different ways to make protisanum your body your body makes hundreds of anemies but it can make 9 of animal assess you need these are called entitional and acid
s bone marrow edema-like signal involving the roof of the left acetabulum and left anterior inferior iliac spine.
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A bone marrow edema-like signal involving the roof of the left acetabulum and left anterior inferior iliac spine indicates an abnormal finding on the MRI suggestive of increased fluid and inflammation within the bone marrow. Further evaluation and diagnostic tests may be needed to determine the underlying cause.
Based on the information provided, it seems like you are describing a bone marrow edema-like signal involving the roof of the left acetabulum and left anterior inferior iliac spine.
In the main part, bone marrow edema-like signal refers to an abnormal MRI finding that indicates increased fluid and inflammation within the bone marrow. This signal can be seen as areas of increased intensity on the MRI images. The involvement of the left acetabulum and left anterior inferior iliac spine suggests that these areas are affected by the edema-like signal.
In the explanation, bone marrow edema-like signal can be caused by various factors such as trauma, infection, inflammation, or stress fractures. It is important to consider the patient's medical history, symptoms, and additional imaging findings to determine the underlying cause. Further evaluation, such as blood tests or additional imaging studies, may be necessary to make a definitive diagnosis.
In conclusion, a bone marrow edema-like signal involving the roof of the left acetabulum and left anterior inferior iliac spine indicates an abnormal finding on the MRI suggestive of increased fluid and inflammation within the bone marrow. Further evaluation and diagnostic tests may be needed to determine the underlying cause.
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I’m confused help me pls
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Claim: This process uses expensive fertilizers and pesticides to grow pest free crops which may be produced in excess. Explain the reasons why people would go against growing wheat this way.
Your answer: Here are 3 reasons that go against growing wheat this way.
1. The fertilizers and pesticides are expensive and cost farmers a lot which takes away from the revenue that farmers make from growing the crops in the first place.
2. Other then fertilizers and Pesticides its a lot of work as you can see on the chart throughout the year there are many things you must do too keep crops bug free and pest free this reason I'm explaining says that taking and doing all of this work for not pests/bugs is too much and not needed.
3. Fungicide Is needed a lot and incredibly expensive when you used/spray it on crops that much and point goes a lot more for large crops too.
If these reasons don't work, find factors that or counterclaims that go against this method of harvesting wheat. (This is what your supposed too do)
Drag each label to the correct location on the image.
A diagram of an animal cell is shown below. Each arrow points to a different organelle. Correctly label each organelle.
ribosome
centriole
smooth
endoplasmic
reticulum
mitochondrion
cell
membrane
rough
endoplasmic
reticulum
PRO
Golgi
apparatus
nucleus
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The label on the animal cells for each organelle is attached below.
What makes up an animal cell?Cell membrane: The cell membrane is the outer layer of the cell. It protects the cell from its surroundings and controls what enters and leaves the cell.
Rough endoplasmic reticulum: The rough endoplasmic reticulum is a network of membranous sacs that are dotted with ribosomes. The ribosomes are responsible for making proteins.
Ribosome: Ribosomes are small organelles that are responsible for making proteins. They are found free in the cytoplasm or attached to the rough endoplasmic reticulum.
Golgi apparatus: The Golgi apparatus is a stack of flattened sacs that are involved in processing and packaging proteins.
Mitochondrion: The mitochondrion is the "powerhouse" of the cell. It produces energy in the form of ATP.
Centrosome: The centrosome is a small structure that contains two centrioles. The centrioles are involved in cell division.
Smooth endoplasmic reticulum: The smooth endoplasmic reticulum is a network of membranous sacs that are not dotted with ribosomes. The smooth endoplasmic reticulum is involved in a variety of functions, including lipid synthesis and detoxification.
Nucleus: The nucleus is the control center of the cell. It contains the cell's DNA, which is the genetic material.
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Question 64 Damage to the fusiform gyrus leads to a condition in which people are unable to recognize familiar faces (sometimes even their own), called Aphasia Alexia Prosopagnosis Ataxia Moving to another question will save this response Question 61 The 'mirror drawing' task that involves learning to trace a figure while looking at it through a mirror is an example of. Working memory Procedural memory Declarative memory Episodic memory Question 43 SSRIs treat depression through this action Preventing monoamines from being degraded by enzymes Binding to serotonin receptors and activating them Preventing serotonin from being removed from the synapse Preventing monoamines from binding to receptors
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64. The condition in which people are unable to recognize familiar faces (sometimes even their own) due to damage to the fusiform gyrus is called Prosopagnosia.
61: The 'mirror drawing' task that involves learning to trace a figure while looking at it through a mirror is an example of Procedural memory.
Prosopagnosia, also known as face blindness, is a neurological condition characterized by the inability to recognize familiar faces, including those of family members, friends, and even one's own reflection. This condition is caused by damage or dysfunction of the fusiform gyrus, a brain region located in the temporal lobe that is involved in facial recognition.
Individuals with prosopagnosia often have difficulty distinguishing and identifying faces, relying on other cues such as voice, hairstyle, or clothing to recognize people. The impairment is specific to face recognition and does not affect other aspects of visual perception or general cognitive abilities.
Prosopagnosia can be congenital, meaning present from birth, or acquired due to brain injury or neurological conditions such as stroke or certain neurodegenerative disorders. It can significantly impact social interactions and daily life, requiring individuals to rely on alternative strategies for identifying people.
Understanding the specific brain regions involved in face recognition and the consequences of their damage contributes to our knowledge of how the brain processes facial information and highlights the importance of the fusiform gyrus in this cognitive function.
61. Procedural memory is a type of long-term memory that involves the acquisition and performance of motor skills and habits. It is responsible for learning and remembering how to perform tasks or actions through repeated practice and experience.
The 'mirror drawing' task is a classic example of a procedural memory task. In this task, an individual learns to trace or draw a figure while looking at it through a mirror, which creates a visual-motor transformation. Initially, the task can be challenging and requires conscious effort, but with practice, the individual becomes proficient and performs the task more automatically.
Procedural memory relies on different brain regions, including the basal ganglia and cerebellum, which are involved in motor control and coordination. These regions store and retrieve the motor programs and sequences necessary for skilled movements.
Unlike other forms of memory, such as declarative memory, which involves conscious recall of facts and events, procedural memory operates largely outside of conscious awareness and can be acquired and expressed without explicit verbal or cognitive processing.
The 'mirror drawing' task and similar procedural memory tasks provide insights into the neural mechanisms underlying motor learning and the formation of automatic behaviors.
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Human blood consist of blood groups A, B, & O. However, there is one more blood group, AB, which contains alleles A and B in the same genotype. What is this phenomenon called?
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Answer:
codominant inheritance
Explanation:
edge
Which of the following do all living things have in common
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For all living things, what is true is that they all need and use energy. Option C.
What should you know about all living things?All living things require energy to carry out essential biological processes such as growth, reproduction, movement, and maintaining homeostasis.
Energy is obtained through various means, such as the consumption of food, photosynthesis in plants, or other forms of energy acquisition in different organisms.
Energy is a fundamental requirement for the functioning and survival of living organisms.
The above answer is in response to the full question below;
Which of the following do all living things have in common
A. They all have a similar cellular organization.
B They all share the same kind of genetic material to varying degrees.
C They all need and use energy.
D They all move and grow.
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What kind of leaf is this
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the number of organisms of a specific species in an ecosystem is known as a
a) community
b) population
c) carrying capacity
d) habitat
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Answer should be D) habitat
Find 2 plankton, one that exhibits bilateral symmetry, be creative.
Hurry up, and it's due today!
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Answer:
The correct answer is - Diatoms (phytoplankton) and cephalopods like squid (zooplankton).
Explanation:
Bilateral symmetry is the symmetry of the body where one side of the body is the mirror image of the other side of the body. Organisms that are found in the water or can not move without the current of water, called planktons. Planktons can be either animals or plants. The two examples (one from zooplankton and one from phytoplankton) are as follows:
The cephalopods like squid (zooplankton) - The cephalopods are the group of planktons in which most of the organism like squid and others has bilateral symmetry.
Diatoms (phytoplankton) - The most common phytoplankton is diatoms and the pennate diatoms show bilateral symmetry.
For the past 10 to 25 years, farmers have planted crop seeds that have been genetically modified to withstand treatment with a common weed killer called Roundup®. This allows the farmers to spray their fields to get rid of weeds without harming their crops. Recently, more and more farmers have discovered that their fields have Roundup-resistant pigweed growing along with their crop. Use what youâve learned in this activity to explain how this came about
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The emergence of Roundup-resistant pigweed is a consequence of selective pressure on weed populations caused by the widespread use of genetically modified crops (GMO) that are tolerant to Roundup.
Over time, repeated applications of Roundup have favored the survival and reproduction of pigweed plants that possess natural genetic variations that confer resistance to the herbicide.
These resistant plants have passed on their resistant genes to their offspring, resulting in the emergence of a population of Roundup-resistant pigweed.
The extensive use of Roundup and the lack of alternative weed management strategies have further accelerated the spread of resistant pigweed, posing a challenge to farmers and threatening the sustainability of this agricultural practice.
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If a researcher examining cell components finds evidence of dipicolinic acid in a bacterial cell, what can be concluded
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If a researcher examining cell components finds evidence of dipicolinic acid in a bacterial cell, it can be concluded that the cell is a gram-positive bacterial cell. The Gram-positive bacterial cell contains a thick layer of peptidoglycan in its cell wall. The thick layer of peptidoglycan in the cell wall of the Gram-positive bacteria cells makes them appear violet or purple under the microscope after staining with crystal violet followed by the counterstain.
Dipicolinic acid is present in the spores of certain gram-positive bacteria. The spores of gram-positive bacteria contain significant amounts of dipicolinic acid, which contributes to their resistance to high temperatures. Spores are a dormant form of the bacterium that allows it to survive during adverse environmental conditions such as high temperatures, extreme cold, and drought.
The dipicolinic acid present in spores plays a crucial role in preserving DNA integrity and protection of the bacterial genome. Spores are capable of surviving high temperatures and other harmful environmental conditions for prolonged periods because they are dormant and not actively metabolizing. These are some of the key factors to be considered when examining the components of bacterial cells and drawing inferences.
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a common movement disorder caused by traditional neuroleptics is a. ataxic dyskinesia. b. tardive dyskinesia. c. neurogenic ataxia. d. neuroleptic ataxia.
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Answer:
Tardive dyskinesia
Explanation:
this is uncontrollable movements of the tongue, mouth, and face. i've also seen some commericals on TV talking about this.
have a good day and thx for your inquiry :)
which statement correctly describes events in the space race
A. The soviet union sent the first human into space, and the United States sent the first human to the moon.
B. Germany sent the first human into space, and the United States launched the first artificial satellite.
C. The soviet union launched the first artificial satellite, and the United States sent the first human into space
D. The United States sent the first human into space and sent the first human to the moon
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Answer:A
Explanation:
Answer please!!!!!! Which of the following would decrease transpiration
turgid guard cells
Large surface area leaf
A thick wax cuticle
More stomata
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Explanation:
more stomata is appropriate
Scientists found a strange blob, buried under lots of dirt and rock. They had to decide whether this blob is a
living or nonliving thing. What would be a good way to find out?
Melt it and see if it goes through a physical or chemical change
Test it in a lab to find out what atoms it is made of
Look at it under a microscope and look for cells
Poke at it with a stick to see if it moves
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Answer:Look at it under a microscope and look for cells
Explanation:
The large diversity of shapes of biological molecules is possible because of the extensive presence of _____ in the molecules. view available hint(s)for part a nitrogen carbon sulfur oxygen hydrogen
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According to the research, the correct option is carbon. The large diversity of shapes of biological molecules is possible because of the extensive presence of carbon in the molecules.
What is carbon?It is an element with atomic number 6 that usually appears in the atmosphere, in living organisms and as a mineral characterized by the ability to give rise to chains.
Its molecular structure gives it the ability to form stable bonds with other elements, forming large biological molecules such as the molecule (DNA) that can contain all the necessary information on how to produce and maintain any organism.
Therefore, we can conclude that according to the research, the correct option is carbon. The large diversity of shapes of biological molecules is possible because of the extensive presence of carbon in the molecules.
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Which type of electromagnetic radiation is used to make images of structures
in the body?
A. Infrared radiation
B. X-rays
C. Visible light
D. Radio waves
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Explanation:
Option a is incorrect because infrared radiation is used to detect heat signatures, such as firefighters use to see if anyone is still inside a burning building.
Option b is correct because x-rays are used to take pictures of bones and internal structures to see what may be causing pain.
Option c is incorrect because visible light is what we can see without any technology.
Option d is incorrect because that's what carries sound.
Which scientists showed that organisms do not grow spontaneously in beef broth?
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Answer:
Louis Pasteur
Explanation:
Gave theory of spontaneous generation that states, life arose from non-living things.
Answer:
Louis Pasteur
Explanation:
Ape-x
Why might a disease with low occurrence in the United States reemerge as a dangerous pathogen? Multiple Choice O Horizontal gene transfer creates antibiotic resistant strains that evade our existing drugs O Herd Immunity wanes as parents decide not to vaccinate their children O Areas dense with livestock lead to food-borne diseases spread from produce infected by fecal matter O All of the choices are correct
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All of the choices provided can contribute to the reemergence of a disease with low occurrence in the United States as a dangerous pathogen. Each of these factors plays a role in facilitating the spread and persistence of infectious diseases. Option D)
All of the choices provided can contribute to the reemergence of a disease with low occurrence in the United States as a dangerous pathogen. Each of these factors plays a role in facilitating the spread and persistence of infectious diseases.
Horizontal gene transfer can lead to the emergence of antibiotic-resistant strains, making the disease more difficult to treat and control. This is especially concerning when existing drugs become ineffective against these strains, increasing the risk to public health.
Herd immunity waning due to low vaccination rates can allow diseases to regain a foothold in the population. When a significant portion of the population is unvaccinated, outbreaks can occur, posing a threat to individuals who are unable to be vaccinated or have weakened immune systems.
Areas dense with livestock can increase the risk of food-borne diseases. Contamination of produce by fecal matter from infected animals can lead to the spread of pathogens, affecting both livestock and humans.
Considering all these factors, it is important to address and mitigate each of them to prevent the reemergence of diseases and safeguard public health. Hence option D) is correct.
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in reconstructing ancient environments, pollen is useful for all of the following reasons except group of answer choices
It preserves well over a long period of time.
Pollen is distinctive of the species of plant that produced it.
Large amounts of pollen are trapped in sediment over time
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Pollen is unique of the species of plant that produced it, it retains well over a long time, and it gets captured in sediment in vast quantities.
Who investigates the prehistoric environment?A fossil's paleoenvironment is the ecology it developed in millions of years ago. One method of determining the approximate age of a rock is by examining one family of creatures and observing how they have changed or evolved over time. Environmental archaeology is an interdisciplinary field of study that examines historical human interactions with the natural world, which includes plants, animals, and landscapes. Paleoclimate research attempts to predict how Earth's climate may change in the future by examining the climate of ancient Earth. In order to comprehend various facets of extinct and extant species, palaeontologists use fossilised remnants.To learn more about ancient environment, refer to:
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Explain in your own words the bottleneck effect
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Answer:
Its a point of congestion that occurs when workloads or people arrive at the same time or too early
Explanation:
what two animals are early tetrapods that do not have features that are unique to fish?
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the fate of the english settlers on roanoke island is not known.
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The fate of the English settlers on Roanoke Island is indeed a historical mystery. In 1587, a group of English settlers, led by John White, established a colony on Roanoke Island, off the coast of present-day North Carolina. However, when John White returned to England for supplies, he was delayed due to the Anglo-Spanish War, and by the time he returned to Roanoke in 1590, the settlers had vanished.
The only clue left behind was the word "Croatoan" carved into a tree and "Cro" carved into a post. This led to speculation that the settlers may have sought refuge with the nearby Croatoan Native American tribe.
However, due to bad weather and logistical difficulties, White was unable to search further.
The ultimate fate of the Roanoke settlers remains unknown, and their disappearance has come to be known as the "Lost Colony."
Various theories have been proposed, including assimilation into Native American tribes, violent encounters, disease, or starvation. However, conclusive evidence has not been found, leaving the mystery unsolved.
The Roanoke Colony's disappearance has captivated historians and archeologists for centuries, and efforts continue to uncover the truth behind the fate of the English settlers.
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Determine the outcome of this cross in terms of sex, eye color, and wing size of the offspring. Select all that apply.
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Males with normal eyes and small wings and females with white eyes and normal wings are the results of this cross in terms of gender, eye color, and wing size.
Which chromosomes are involved in determining sex?When you are born, your gender is determined by your X and Y chromosomes. In females, there are two X chromosomes. The term "sex chromosomes" is also used. Every male has one X and one Y chromosome.
Who determines a child's gender?Almost everyone has roughly equal odds of giving birth to a boy and a girl. What we can say is that the father's sperm determines whether a kid will be born as a boy or a girl.
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Question:
Determine the outcome of this cross in terms of sex, eye color, and wing size of the offspring.
Select all that apply.
A) males with normal eyes and normal wings
B) males with white eyes and normal wings
C)males with normal eyes and miniature wings
D) males with white eyes and miniature wings
E) females with normal eyes and normal wings
F) females with white eyes and normal wings
G) females with normal eyes and miniature wings
H) females with white eyes and miniature wings
Which two molecules bond together to form a disaccharide?
O A. Two water molecules
O B. Nucleic acid and protein
O C. Fructose and glucose
O D. Carbon dioxide and water
Answers
Answer:
B
Explanation:
Answer:
It's C.
Explanation:
A disaccharide is a carbohydrate composed of two (prefix di-) monosaccharides bound by glycosidic bonds. The only monosaccharides among all choices are fructose and glucose. They together form disaccharide sucrose.