"The diagram shows a straight chain of glucose molecules.
Which polysaccharide is shown?
A) cellulose
B) glycogen
C) chitin
D) starch"
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Related Questions
What is the role of ADH (antidiuretic hormone) in regulating salt and water concentrations in the blood?
A.) It detects a high concentration of salts in the blood and signals the pituitary glands to release more water into the blood.
B.) It prompts the kidneys to reabsorb more water into the bloodstream to dilute the salts.
C.) It inhibits the skin to sweat. This retains more water into the bloodstream to dilute the salts.
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Dr. blackman studies the interconnections among psychological processes, the nervous and endocrine systems, and the immune system. like other specialists in the field of psychoneuroimmunology, dr. blackman is aware that researchers have discovered all except that
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1.lymphocytes themselves produce neurotransmitters and hormones.
2.the surfaces of lymphocytes contain receptor sites for neurotransmitters and hormones, including catecholamines and cortisol.
3.the immune system and the central nervous system are only remotely related to one another.
4.the central nervous system and the immune system are directly linked.
The answers 1 and 3 are not true.
The central nervous system and the immune system are directly linked and in constant communication. The central nervous system can trigger hormone and immune responses to various factors like stress, inflammation or neurological disease. The lymphocytes have receptors for neurotransmitters and hormones, but they can not produce them themselves.
Answer:
3.the immune system and the central nervous system are only remotely related to one another
Explanation:
Long-term studies of belding's ground squirrels show that immigrants move nearly 2 km from where they are born and become 1%-8% of the males and 0.7%-6% of the females in other populations. on an evolutionary scale, why is this significant?
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These immigrants provide a source of genetic diversity for the other populations
Belding's ground squirrels are the type of rodent that often immigrate after being born. This immigration process is significant in evolution as it provides genetic diversity to the population.
What is genetic diversity?Genetic diversity has been defined as the variability in the inheritance of traits in a species of th same population. It is part of adaptation and evolution that aids in the survival of the species in an unfavorable situation.
Immigration is one of the factors that contribute to the genetic diversity of the species as new genes beneficial for survival are passed to the offspring that can be naturally selected over another. It is essential for natural selection and the evolutionary process.
Therefore, the migration of the squirrels results in genetic diversity.
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The predominate fuel used by muscle during a 10k race (~50 minutes) is
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Gently tapping the chest with the fingers to determine the position, size, or consistency of the underlying structures is called: question 83 options:
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Answer:
Percussion
Explanation:
Percussion is one of the five methods (Palpation, Inquiry,auscultation, inspection & percussion) of clinical examination which is used to determine the structures underlying any surface by tapping on it slowly with fingers, any light & small instruments, hands etc.
It is commonly used for assessing the condition of thorax and abdomen. By using this method a physician is able to drive information regarding the size , border, consistency, fluid presence etc. of underlying structure.
Which of the following is NOT true of Jupiter
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A rotational speed slower than Mercury is NOT true of Jupiter. Therefore option B is correct.
Jupiter is known for its rapid rotation, completing one full rotation in about 9.9 hours, making it one of the fastest-rotating planets in our solar system. In comparison, Mercury, the closest planet to the Sun, has a rotational period of about 58.6 days.
Therefore, Jupiter's rotational speed is significantly faster than that of Mercury.
In summary, while Jupiter is the largest and most massive planet, predominantly composed of hydrogen, and has a dense atmosphere, its rotational speed is faster than that of Mercury, not slower.
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Your question is incomplete, but most probably your full question was,
Which one of the following is not true of Jupiter?
A. largest and most massive planet
B. a rotational speed slower than Mercury
C. dominantly composed of hydrogen
D. a very dense atmosphere
An ecosystem consists of all interactions within ____________ in a given area, along with interactions between their physical environment.
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An ecosystem consists of all interactions within biotic and abiotic factors in a given area, along with interactions between their physical environment.
Explanation:An ecosystem consists of all interactions within biotic and abiotic factors in a given area, along with interactions between their physical environment. Biotic factors include plants, animals, and microorganisms, while abiotic factors include sunlight, temperature, water, and soil. For example, in a forest ecosystem, the biotic factors would include trees, animals like deer and birds, and microorganisms like bacteria, while the abiotic factors would include sunlight, temperature, rainfall, and soil composition.
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An ecosystem includes all interactions among living organisms and their non-living environment in a particular geographic area. These ecosystems can be of any size, and life within them often involves competition for limited resources. The physical environment also influences which organisms can exist in a particular ecosystem.
Explanation:An ecosystem consists of all interactions amongst the biotic components (living organisms) in a given area, along with interactions between their abiotic (non-living) environment, such as air, water, and soil. Ecosystems can vary in size, from small ones like tide pools near the rocky shores of oceans, to large ones like the Amazon Rainforest in Brazil.
Life in an ecosystem often involves competition for limited resources, which occurs both within a single species and between different species. These resources provide the energy for metabolic processes and the materials to make up organisms' physical structures. Other critical factors influencing community dynamics are components of its physical environment: a habitat's climate, elevation, and geology. These can all be important environmental variables that determine which organisms can exist within a particular area.
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The hominid fossils from laetoli and hadar are classified by most researchers as ____. australopithecus africanus homo afarensis homo habilis australopithecus robustus australopithecus afarensis
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The hominid fossils found in Laetoli and Hadar are typically classified by researchers as Australopithecus afarensis. This species, which lived between 3.9 and 2.9 million years ago, had unique attributes including bipedalism and semi-arboreal behaviors. They represent a crucial stage in human evolution.
Explanation:The hominid fossils from Laetoli and Hadar are primarily classified by most researchers as Australopithecus afarensis. The Australopithecus afarensis is a species of Australopithecus, an extinct genus of hominins. Fossils discovered at Laetoli in Tanzania and Hadar in Ethiopia have been attributed to this species. These fossils, dating back 3.9 to 2.9 million years ago, exhibit unique features including long arms and curved toe and finger bones, suggesting A. afarensis were semi-arboreal. Yet, changes in the pelvic shape indicate they were also bipedal, moving on two legs similar to modern humans.
Although the Australopithecus afarensis was a tree-dwelling creature, they seem to display crucial morphological features that suggest they moved on two legs. They are the first known hominins to show signs of bipedal locomotion, as evident from the 75-foot trail of footprints discovered by Mary Leakey at the Laetoli site.
The Australopithecus afarensis represents an important landmark in anthropology as the species that likely includes our genus, Homo. It is significant to note that robust hominins, such as Paranthropus, diverged from the evolutionary line of Australopithecus, but are not considered as direct ancestors to modern humans.
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In eukaryote genes, nucleotide segments that code for proteins, called , are interrupted by noncoding segments, called . 2. the process by which information encoded in messenger rna (mrna) is used to assemble a protein is called . 3. the enzyme synthesizes an rna strand by first unwinding a dna molecule and then stringing together a series of rna nucleotides complementary to it. 4. a(n) is a sequence of three bases on a molecule of transfer rna (trna) that is complementary to a coding triplet of messenger rna (mrna) bases. 5. amino acids are added one at a time to the growing protein chain, or , on a ribosome. 6. the process by which the genetic information encoded in dna is copied into messenger rna (mrna) is called .
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2. The process by which information encoded in messenger RNA (mRNA) is used to assemble a protein is called translation.
3. The enzyme RNA polymerase synthesizes an RNA strand by first unwinding a DNA molecule and then stringing together a series of RNA nucleotides complementary to it.
4. A(n) codon is a sequence of three bases on a molecule of transfer RNA (tRNA) that is complementary to a coding triplet of messenger RNA (mRNA) bases.
5. Amino acids are added one at a time to the growing protein chain, or polypeptide chain, on a ribosome.
6. The process by which the genetic information encoded in DNA is copied into messenger RNA (mRNA) is called transcription.
In eukaryote genes, exons are intruded by introns. restatement is the process by which mRNA is used to assemble a protein, and RNA polymerase synthesizes an RNA beachfront. The sequence of inheritable information inflow from DNA to RNA to Protein involves recap and restatement.
In eukaryote genes, nucleotide parts that decode for proteins, called exons, are intruded by noncoding parts, called introns.The process by which information decoded in runner RNA( mRNA) is used to assemble a protein is called restatement. The enzyme RNA polymerase synthesizes an RNA beachfront by first unwinding a DNA patch and also threading together a series of RNA nucleotides reciprocal to it. An anticodon is a sequence of three bases on a patch of transfer RNA( tRNA) that's reciprocal to a rendering trinity of runner RNA( mRNA) bases. Amino acids are added one at a time to the growing protein chain, or polypeptide, on a ribosome. The process by which the inheritable information decoded in DNA is copied into runner RNA( mRNA) is called recap.What separates the oral cavity from the nasal cavity?
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The structure separating the oral and nasal cavities is called the palate. It consists of a hard and soft part, effectively allowing us to breathe and eat simultaneously.
Explanation:The structure that separates the oral cavity from the nasal cavity is called the palate. The palate is composed of two parts. The front, hard part of the palate is made up of bone and is covered by a mucous membrane; this is known as the hard palate. The back part, which is softer and flexible, is the soft palate. The palate forms a barrier or separator between the oral and nasal cavities, allowing us to breathe and eat at the same time without the food going into the wrong pipe.
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The process by which a white blood cell engulfs and destroys a bacterium is called
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This process is accomplished by phagocytes, a type of white blood cell found in bone marrow. These cells help to protect the body by engulfing foreign particles such as pathogens (including bacteria).
I hope this helps! I'm happy to help with any other questions you might have :)
Phagocytosis is the process by which a white blood cell engulfs and destroys a bacterium. The white blood cell surrounds the bacterium, pulls it inside to form a phagosome, and then fuses it with a lysosome where the bacterium is broken down and eliminated.
Explanation:The process by which a white blood cell engulfs and destroys a bacterium is called phagocytosis. During phagocytosis, the white blood cell envelops the bacterium, drawing it inside into a structure called a phagosome. The phagosome then fuses with a lysosome, another structure within the white blood cell that contains enzymes and substances capable of breaking down and destroying the bacterium.
Here is an example: a bacterium, which is considered foreign and potentially harmful, enters the body. The white blood cells, specifically a type called the phagocytes, identify and respond to the threat. They extend and wrap their cell membranes around the bacterium, pulling it inside to form the phagosome. When the phagosome combines with a lysosome, the bacterium is finally degraded and eliminated.
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The corticobulbar motor tract begins in the _____ and ends in the _____. spinal cord, brainstem cortex, brain stem brainstem, spinal cord brain stem, cortex
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what is a branch point on a cladogram
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A branch point on a cladogram denotes where an ancestral lineage splits into distinct new lineages, indicating evolutionary divergence. Sister taxa refer to two lineages from the same branch point, while a polytomy indicates more than two lineages, highlighting unresolved relationships.
A branch point on a cladogram, also known as a phylogenetic tree, represents the location where a single ancestral lineage splits into two or more distinct new lineages. This divergence is crucial for understanding evolutionary relationships among different species.
For example, when two new lineages stem from the same branch point, they are called sister taxa. If more than two lineages emerge from a branch point, it is referred to as a polytomy, indicating unresolved evolutionary relationships.
Which group of
e.coli produces a shiga toxin somewhat similar to that produced by shigella dysenteriae?
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I hope someone can validate this though.
Hope this helps a little! :)
The diagram below shows some relationships between ecosystems near the Sonoran and Chihuahuan Deserts. In which category does the thornscrub ecosystem belong?
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Answer: B. Shrubland
Thornscrub ecosystem is found in between the Sonoran and Chihuahuan Deserts. It is typical shrubland. It consist of small trees like velvet mesquite and shrubs like Catlaw acacia, cactus which are common in Sonoran Desert. The Thornscrub shrubland exhibit distinct wet and dry seasons therefore, it possess growth of annual and perennial herbs. Therefore, the vegetation is determined by alternating dry and wet seasons.
Which layer is composed primarily of dense irregular connective tissue?
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The dermis, the layer beneath the outermost layer of the skin, is composed primarily of dense irregular connective tissue. It has fibrous and elastic properties and contains various structures such as blood vessels, nerve endings, and sweat glands.
Explanation:The layer that is composed primarily of dense irregular connective tissue is known as the dermis. It's found beneath the outermost layer of the skin, the epidermis. The dermis has fibrous and elastic properties due to the presence of collagen and elastin fibers.
This allows the skin to stretch and return to its original position. The dermis also contains blood vessels, nerve endings, hair follicles, and sweat and sebaceous glands, contributing to sensations, thermoregulation, and also plays a crucial role in the wound healing process.
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Developing an _____ made absorptions of nutrients more efficient for round worms Answer Choices are A. Coelom B. Mouth C. Anus
Thank you so much who answers!
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The fossil fuel that is likely to last the longest before running out is
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The fossil fuel that is likely to last the longest before running out is oil and natural gas.
What is fossil fuels?A fossil fuel is hydrogen- containing material found naturally in the earth's crust from the remain of dead plants and animals that is extracted and burned as a fuel.
Fossil are natural source of energy, it is made from decomposition of plants and animals. Fossil fuels are found in earth's crust and contains carbon and hydrogen which could gives energy by burning.
Coal, oil and natural gas are best examples of fossil fuels. Coal is a material usually found in sedimentary rock deposits where rock and plants are buried from long time.
Oil is originally found as a solid material between layers of sedimentay rocks, like shale. This material is heated and converted into a gasoline.
Natural gas usually found in pockets above oil deposits. It is also found where natural oil is found.Fossil fuels are found in earth's crust and contains carbon and hydrogen which could gives energy by burning.
Therefore,the fossil fuel that is likely to last the longest before running out is oil and natural gas.
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A dominant, sex-linked disorder found in fruit flies is the result of a gene located on the X chromosome. If a male with the disorder is crossed with a female without the disorder, how would the offspring be affected?
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A student conducts a science fair project to determine whether or not eating peanut butter increases short-term memory. What would probably NOT be a major concern for the student doing a science fair project?
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Answer:
C) Making certain that none of her test subjects get the same memory test
A population of Purple Gorillas feeds entirely on plants. But some of these Gorillas are good at digesting Plant A, while others are good at digesting Plant B. Still other Purple Gorillas are good at digesting Plant C. What might be an advantage of a single population of animals, such as the Purple Gorilla, having a very large amount of variability surrounding certain traits?
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Species has a higher chance of survival as there are 3 plant types, even if the other 2 of those die out, there's a portion of the purple gorillas that can still eat the plants that are left
Lindsey pushes neil down, causing him to scrape his knee. what type of consequence does she experience when told to get a wet towel to help clean the cut?
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what are autotrophs?
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Answer:
autotrophs are organisms that make their own source of food. A plant is an autotroph.
Explanation:
Neutrophils are responsible for helping what type of infection primarily?
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How is the structure of chloroplast adapted for its function?
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When a terminally differentiated cell in an adult body dies, it can typically be replaced in the body by a stock of __________?
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A terminally differential cell is also called a specialized property. They are a result of the specific issues of gene expression and association.
The death of these cells leads to the proliferation of cells that are less differentiated. They are called stem cells, the stem cells have the potential to develop into many cells. They are not specialized hence they cannot do many functions. Sources of stem cells are the brain, bone marrow, skin, and liver.Hence they are stocks of stem cells.
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Which choice below is an example of a deletion in the sequence of the gene?
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A researcher is designing a laboratory experiment to determine whether the inorganic substance A affects the rate of a reaction between two colored liquids, X and Y. When the reaction is complete, the liquid is clear. The reaction between X and Y is similar to one used by manufacturers to produce certain chemicals in factories. Which method would best answer his question about reaction rate and what will he find out about substance A?
First, he should measure the final temperature of the liquid when X and Y react without substance A. Then, he should measure the final temperature when he adds substance A to X and Y. He will find out if substance A is a catalyst.
First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst.
First, he should measure the final temperature of the liquid when X and Y react without substance A. Then, he should measure the final temperature when he adds substance A to X and Y. He will find out if substance A is an enzyme.
First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is an enzyme.
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The method to determine if substance A is a catalyst involves measuring the time it takes for the reaction between X and Y to become clear, both with and without substance A.
To investigate the impact of substance A on the reaction between X and Y, the researcher should focus on the time it takes for the reaction to reach completion. By measuring the reaction time, specifically comparing the time it takes for the liquid to become clear with and without substance A, the researcher can assess if substance A acts as a catalyst.
A significant reduction in reaction time with the addition of substance A suggests catalytic activity, as catalysts expedite reactions without being consumed in the process. This approach allows for a clear determination of whether substance A influences the reaction rate and demonstrates its potential as a catalyst without delving into factors like temperature or enzyme-like behavior.
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Which laboratory test indicates the proportion of the blood sample that is red blood cells?
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Exposure to clostridium tetani causes continuous release of acetylcholine. what effect does this have on particular skeletal muscles?