Answer:
Destructive Forces break down features on the Earth's surface. Constructive Forces build up features on the surface of the Earth.
Cells perform many different processes that an organism needs to survive and grow. Which is the main function of the process of cellular respiration?
A. the production of sugar
B. the release of energy
C. the removal of waste products from the cell
D. the formation of new proteins for the cell
The main function of the process of cellular respiration is the the release of the energy. The correct option is B.
What is cellular respiration?Cellular respiration is a biochemical process that disintegrate glucose to produce ATP, which can then be used as energy to power a variety of reactions throughout the body.
Cellular respiration consists of three major steps: glycolysis, the citric acid cycle, and oxidative phosphorylation.
Glycolysis is the first step in the process by which cells generate ATP from food. Consider eating a donut. Digestive enzymes convert the donut's starches and sugars to glucose (blood sugar) in your mouth and stomach.
The aerobic process by which living cells break down glucose molecules, release energy, and form ATP molecules is known as cellular respiration.
In general, this three-stage process involves the reaction of glucose and oxygen to form carbon dioxide and water.
Thus, the correct option is B.
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Invasive species are destructive to an ecosystem because they____________(Select best answer).
disrupt food chains
take or destroy ecological niches
out compete native species for limited resources
all of the above
The answer is all above.
Glucose and fructose are joined by a/an to form Select one: a. peptide bond : sucrose b. ester : lactose c. glycosidic linkage : maltose d. ester : sucrose e. peptide bond : maltose f. ester: maltose g. phosphodiester : sucrose h. phosphodiester : lactose i. phosphodiester: maltose j. glycosidic linkage : lactose k. peptide bond : lactose I. glycosidic linkage : sucrose
Glucose and fructose are joined by a glycosidic linkage to form sucrose.Glucose and fructose are two types of sugar.
Sucrose is a type of sugar that is commonly found in fruits and vegetables. It is a disaccharide, which means that it is made up of two smaller sugar molecules: glucose and fructose. These two sugars are joined together by a type of bond known as a glycosidic linkage. The glycosidic linkage is formed between the anomeric carbon of glucose and the hydroxyl group of fructose. The bond is formed through a dehydration reaction, which removes a molecule of water from the two sugars. Once the bond is formed, the resulting molecule is sucrose.
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Genetic cause of Type 1 Diabetes described
Although a number of risk factors have been discovered, the exact origins of type 1 diabetes are unknown. A number of HLA-DQA1, HLA-DQB1, and HLA-DRB1 gene polymorphisms enhance the risk of type 1 diabetes.
What hereditary factors contribute to diabetes?Monogenic diabetes is brought on by alterations, or mutations, in just one gene. The majority of the time, these alterations are passed down through families, but occasionally a gene mutation occurs randomly. By reducing the pancreas' capacity to produce insulin, the majority of these gene abnormalities lead to diabetes.
Is diabetes caused by a genetic mutation?Monogenic diabetes is a rare disease brought on by alterations (mutations) in just one gene. diabetes , the most prevalent forms of diabetes, type 1 and type 2, are brought on by a number of genes
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Ichthyosaurs, now extinct, were aquatic reptiles with dorsal fins and tails, similar to those of fish. Their most recent ancestors were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are ________. homologous structures adaptations to different environments adaptations to a common environment and examples of convergent evolution adaptations to a common environment and homologous structures
Answer:
Adaptations to a common environment and examples of convergent evolution
Explanation:
Convergent evolution is a process by which two independent and phylogenetically separated organisms, get to develop similar structures or behavior to survive. These structures make possible a better performance in a similar environment. These organisms are morphologically or ethologically similar in their whole bodies or just in parts.
Convergent evolution occurs in different phylogenetic branches independently from each other. It results from the need of different organisms to adapt to a similar environment and to solve a problem from that particular ecological niche. Ecological pressures acting on them might be similar, modeling the organisms´ phenotype. Each evolutive branch ends by developing the same structures, which they both find effective in their environment.
In the exposed example, Ichthyosaurs (reptile) and fishes are separated species on evolutive time, corresponding to different phylogenetic lineages. Both of them inhabit the same aquatic environment. Pressures of the habitat acted on them and modeling their phenotypes. These species need to adapt to living in water, moving, feeding, scaping, chasing, etc. So both species arrived at the same solution. They developed dorsal fins and tails, which are important to stabilize the body in the water while swimming, making it more hydrodynamic and getting to propel better.
Scientists have been able to uncover thousands of different types of fossils. but they have not uncovered a complete fossil record of all life that has existed on earth. reflect upon all the steps you went through to build your model of a fossil. based on what you’ve learned through building your own fossil model, as well as the processes involved in fossilization, explain why all organisms don’t become fossils.
Fossilization is an incredibly rare process that requires the right conditions to occur.
What Fossilization?Fossilization is the process by which an organism or its remains are preserved in the fossil record. This process involves the replacement of organic material by minerals, resulting in a fossil that can be studied and analyzed.
In order for a fossil to form, the organism must first be covered by sediment, which acts to protect the remains from scavengers, weathering, and other processes that can damage the body. Additionally, the sediment must contain minerals that can help to preserve the remains over time. This means that unless an organism dies in an environment that is conducive to fossilization, it is unlikely that a complete fossil will ever form. Even if an organism does die in a favorable environment, its remains must remain undisturbed for a very long time in order for the fossilization process to occur. Furthermore, many organisms have soft tissues that do not fossilize, making it even more difficult for a complete fossil to form. All of these factors make it unlikely that all organisms that have ever existed will become fossils.
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Answer:
Fossilization is an incredibly rare process that requires the right conditions to occur.
Explanation:
a group of similar cells that perform a specific function
Compared to the Jovian planets in our solar system, the terrestrial planets have
A) less mass and are less dense
B) less mass and are more dense
C) more mass and are less dense
D) more mass and are less dense
Answer:
B
Explanation:
The terrestrial planets such as earth compared to the Jovian planets in our solar system, have less mass and are more dense.
What are Jovian planets?The Jovian planets are the large planetary such as Saturn, and Jupiter which are large gas giants consisting mainly of helium and hydrogen gas.
They are more massive but are less dense than terrestrial planets.
Therefore, compared to the Jovian planets in our solar system, the terrestrial planets have less mass and are more dense.
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PLEASE HELP!! During what phase does the spindle fibers break down!!!
Answer:
During Telophase.
Explanation:
23) The limit of change resulted from the regeneration process is very clear in …..
Crabs
Planaria
Humans
Frogs
The limit of change resulted from the regeneration process is very clear in option B: Planaria
Has Planaria the ability to regenerate?Most fishes and salamanders have limited limb regeneration, while larval frogs and toads have tail regeneration (but not adults). After being amputated, a salamander's or a triton's entire limb will continue to develop.
Therefore, Planarians are flatworms (phylum Platyhelminthes) that live in freshwater bodies, and their capacity for regeneration has long been known (Pallas, 1766; Dalyell, 1814). In a procedure that takes days to weeks, planarians can regenerate new heads, tails, sides, or even complete organisms from tiny body parts.
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Populations in wet regions of Africa are under strong selection for the sickle-cell allele due to the high prevalence of malaria. If we provided drugs to treat all malaria infected people in these areas, we would predict the frequency of the sickle cell allele to
If we provided drugs to treat all malaria infected people in these areas, we would predict the frequency of the sickle cell allele to decrease over time.
Describe malaria.Malaria is an infection brought on by a parasite. People contract the parasite by mosquito bites carrying it. The classic symptoms of malaria include a severe illness with a high temperature and shaking chills. Malaria is still common in countries that are tropical or subtropical, but it is uncommon in temperate regions.
Do bacteria or viruses cause malaria?Malaria cannot be brought on by a virus or bacteria. Malaria is brought on by a parasite called Plasmodium, which is frequently transmitted by infected mosquitoes.
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7. in pea plants, round seeds (r) are dominant to wrinkled seeds (r), and yellow seeds (y) are dominant to green seeds (y). if you were to cross a rryy plant with a rryy plant, what proportion of the offspring would have wrinkled, yellow seeds? what proportion would have round, green seeds?
Round and yellow pea seeds are produced as a result of a cross between certain round, green-seeded peas and yellow, wrinkled peas. A. RY, rY, Ry, ry.
The haploid-numbered reproductive or sex cells are known as gametes. In every creature, gametes only contain one copy of each gene or chromosome. Unlike the male gamete, which is known as sperm or pollen, the male gamete is known as an egg or ovum.
The genotype of the heterozygous plant in this instance is RrYy. There would be one copy of each gene in each gamete. A dominant R and a dominant Y allele, as well as a recessive R and a recessive Y allele, are present in the gametes. Each one generates 25% of RY, Ry, rY, and ry.
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Which of the following does NOT influence immunogenicity?
A) the routes of administration
B) foreign nature of the immunogen to the host
C) solubility
D) All of these influence immunogenicity.
All of the options listed in the question—routes of administration, foreign nature of the immunogen to the host, and solubility—influence immunogenicity. The answer is: D)
A) Routes of administration: The route of antigen administration can affect the immune response. Different routes, such as oral, intravenous, intramuscular, or subcutaneous, can lead to variations in the magnitude and type of immune response generated.
B) Foreign nature of the immunogen to the host: Immunogens that are perceived as foreign to the host's immune system are more likely to induce an immune response. The immune system recognizes non-self or foreign molecules as potential threats and mounts a response against them.
C) Solubility: Solubility of an immunogen can affect its ability to interact with immune cells and elicit an immune response. Soluble antigens can be more readily processed and presented to immune cells, increasing their immunogenicity.
Considering that all of the options influence immunogenicity, the correct answer is D) All of these influence immunogenicity.
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Patty O'Furniture, a biology grad student, was doing research on contractile vacuoles using Paramecium as her test subject. She placed a Paramecium on a microscope slide at 9:00 AM. The Paramecium was surrounded by a hypotonic solution. Patty observed the Paramecium to get the rate of contractile vacuole activity. After 1 hour, Patty replaced the hypotonic solution with an isotonic one and continued her observations of the contractile vacuole. During the 10:00 hour, the rate of contractile vacuole activity__________because there was _________ water entering the Paramecium due to osmosis.
During the 10:00 hour, the rate of contractile vacuole activity would decrease because there was less water entering the Paramecium due to osmosis.
Contractile vacuoles in Paramecium are responsible for regulating water balance within the cell. When the Paramecium is placed in a hypotonic solution, which has a lower solute concentration than the cytoplasm of the Paramecium, water enters the cell through osmosis. The contractile vacuole works to remove excess water from the cell to maintain proper osmotic balance.
In this scenario, when Patty placed the Paramecium on the microscope slide at 9:00 AM, it was surrounded by a hypotonic solution. As a result, water would have entered the Paramecium through osmosis, leading to an increased rate of contractile vacuole activity. Patty observed and measured this activity for an hour.
At 10:00 AM, Patty replaced the hypotonic solution with an isotonic solution. An isotonic solution has the same solute concentration as the cytoplasm of the Paramecium. In this case, the water concentration inside and outside the Paramecium would be balanced, resulting in a decreased need for water removal by the contractile vacuole.
As a result, the rate of contractile vacuole activity would decrease during the 10:00 hour because there would be less water entering the Paramecium due to osmosis. The Paramecium would reach a state of equilibrium with its surroundings, and the contractile vacuole would be less active in removing water from the cell.
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PLZ HELP! why it is important to base scientific theories and models on empirical evidence as opposed to other ways of knowing such as religion?
Answer:
A theory not only explains known facts; it also allows scientists to make predictions of what they should observe if a theory is true. Scientific theories are testable. New evidence should be compatible with a theory.
Explanation:
. All of the following are correct about cell respiration EXCEPT
(A) It is an oxidative process
(B) All plant and animal cells carry out respiration all the time
(C) It consists of glycolysis, Krebs cycle, and the electron transport chain
(D) Oxygen molecules are pumped across the cristae membrane to the outer compartment
(E) Most ATP is produced during cell respiration as a result of the electron transport chain and chemiosmosis
I believe its (E) Most ATP is produced during cell respiration as a result of the electron transport chain and chemiosmosis.
why is the digestive tract of the frog well vascularized
The digestive tract of the frog is well vascularized because it aids in the absorption of nutrients.
The digestive tract of a frog is a hollow long tube that extends from the mouth to the anus which helps in the ingestion and digestion of food.
The digestive tract of frog has the following characteristics:
alimentary canal of the frog is not long, that is, it is short. It has accessory organs of digestion such as liver, gall bladder and pancreas.All the digested food substances are absorbed at the small intestine due to the presence of microvilli.
This microvilli is made up of a central core that is vascularized, that is, it contains artery, vein and lymphatic capillary.
Therefore, the vascularized microvilli of the small intestine of frog help in the absorption of nutrients.
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Need Answer ASAP only 4 min
Answer:
H
Explanation:
This is the circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment.
Identify each adaptation as structural, behavioral, or physiological.
Adaptation
Type of Adaptation
Turtles hide their heads in their shells for protection.
Camels have long eyelashes to protect their eyes from the sand.
Humans sweat to maintain a constant body temperature.
Answer:
Turtles hide their heads in their shells for protection. (behavioural adaptation)
camels have long eyelashes to protect their eyes from sand. (structural adaptation)
humans sweat to maintain a constant body temperature. (physiological adaptation)
What are the steps of the Calvin Cycle often referred to as?
The Calvin Cycle are often referred to as carbon fixation, reduction, and regeneration of the starting molecule.
1. Carbon fixation - This step involves the attachment of a carbon dioxide molecule to a 5-carbon sugar (RuBP) resulting in an unstable 6-carbon molecule, which splits into two 3-carbon molecules (3-PGA).
2. Reduction - In this phase, the 3-PGA molecules undergo a series of chemical reactions, where they are converted into G3P (a high-energy sugar) using energy from ATP and NADPH.
3. Regeneration of the starting molecule - The G3P molecules are rearranged to regenerate RuBP, allowing the cycle to continue.
Hence, the Calvin Cycle consists of three main steps: carbon fixation, reduction, and regeneration of the starting molecule. These steps are crucial for photosynthesis, as they convert carbon dioxide into high-energy sugars needed for plant growth and development.
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Which of the following explains why animals need more food when it is cold?
winter
Explanation:
because during winter animal are few
What would most likely happen to a population of plants if their environment experiences long-term climate change that results in a much hotter and drier environment? a. The plants would increase the number of seeds they make to improve their chances of reproducing. b. Individual plants would work hard to grow longer roots and thicker leaves. c. The plants that gather and store water most efficiently would survive to pass on those traits. d. All of the plants would die off before producing offspring.
This must be approached carefully as each species has different needs and requirements, not necessarily a warmer environment is detrimental or positive, nonetheless, organisms are always in constant adaptation, so those plants with a better capacity for adaptation and a wide pool of variation will survive, like is the case mentioned in option C, that is the correct answer.
Which of the following happens during interphase?
Answer:
Interphase is the portion of the cell cycle that is not accompanied by gross changes under the microscope, and includes the G1, S and G2 phases. During interphase, the cell grows (G1), replicates its DNA (S) and prepares for mitosis (G2). ... In interphase, the cell gets itself ready for mitosis or meiosis.
Explanation:
Answer:DNA replication takes place making two identical copies of the genome of the cell.
Explanation:
(Please leave an answer if you know the correct one!) I'm unsure of my answer, if you'd like to...could you please assure me of my answer?
Or, if my answer is wrong correct me and explain why! ^^ Thank you! I'll try to help you in return!
Answer:
D) The number of mitochondria has decreased due to long period of rest
You are correct :)
Explanation:
The basketball player requires energy so remember that the mitochondria is the powerhouse of the cell (so it produces energy).
If the DNA code is CCG-ATT. What does the mRNA will code for? *
Answer:
GGC-UAA
Explanation:
C bind with G, T bind with A, Thymine is not present in mRna so U will bind with A
What does Darwinian evolution maintain about the evolutionary relationship between humans and monkeys
Darwinian evolution maintains that humans and monkeys have a common ancestor.
Darwinian evolution maintains about the evolutionary relationship between humans and monkeys is that humans and monkeys have a common ancestor. Darwinian evolution explains that humans and monkeys evolved from a common ancestor who lived millions of years ago. This implies that they are closely related, and it is believed that humans and monkeys share about 99% of their DNA.
The theory of evolution, proposed by Charles Darwin in his book On the Origin of Species, suggests that species evolve over time and that natural selection is the primary mechanism of evolution. Darwin believed that all living things, including humans, are descended from a common ancestor. This implies that humans and monkeys share a common ancestor. The theory of evolution suggests that humans and monkeys are closely related and that they share many similarities. For example, humans and monkeys both have opposable thumbs, which allow them to grip and manipulate objects. They also have similar bone structures, which suggest that they share a common ancestry. Overall, Darwinian evolution maintains that humans and monkeys share a common ancestor, and that they are closely related.
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why do cells need to divide
Answer:
the answer is b
Explanation:
the reproduce daily o grow and to keep up with the dying cells
Cells need to divide for body to grow and for body tissue such as skin to continuously renew itself, so option b. Cell division is how organisms grow is correct
What is the cell divison process is called?Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life.
What is the main purpose of cell division?Cell division for growth and repair creates exact copies of a cell. it is important it make possible for a living thing to grow, creates new cells to replace damaged or dead cells.
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the cardiac cycle consists of a distinct relaxation and contraction phase. which term is typically used to refer ventricular contraction while no blood is being ejected?
The term used to refer to a ventricular contraction while no blood is being ejected is "isovolumic contraction."
The heart experiences a series of activities during the cardiac cycle that includes both rest and contraction periods. The ventricles contract during the ventricular contraction phase to push blood out of the heart. However, the ventricles continue to contract but no blood is being expelled during the brief interval between the closure of the atrioventricular valves and the opening of the semilunar valves. The term "isovolumic contraction phase," also known as the "isovolumetric contraction" or "isovolumic systole" phase, refers to this stage of ventricular contraction without ejection.
During this phase, the ventricular pressure increases while the volume of blood in the ventricles remains constant until the pressure is sufficient to open the semilunar valves and eject blood into the arteries.
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There are ________ different skeletal muscles that are responsible for the movement of the body through contractility, extensibility, and elasticity.
Skeletal muscles are the muscles that move bones. The bone moves as a result of muscle contraction or shortening. Pairs of skeletal muscles cooperate. The second muscle relaxes when the first one contracts.
How do the skeletal muscles work?The "Fasicles," or bundles of individual muscle cells that make up skeletal muscle, are encased in the "Perimysium," a layer of connective tissue. a collection of muscle fibers joined together by connective tissue to act as a single unit. the band of connective tissue that encircles each fascicle.
Which muscle, according to this quiz, aids in movement of your body?Muscle of the Skeleton The only kind of muscle you have control over is skeletal muscle, often known as voluntary muscle. The bones are connected to the skeletal muscles that move the skeleton.
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Which of the following is the best definition of an unsaturated fatty acid?
A. A basic unit of a lipid that consists of only single carbon-to-carbon
bonds
B. An insoluble compound made up of glycerol and three fatty acids
C. A basic unit of a lipid that consists of single and double carbon-to-
carbon bonds
O D. A compound that carries hereditary information