A (n)______ is a solid that settles out of a liquid solution in a chemical reaction
What are all living and nonliving things on earth called?
Why are different fuels used for different purposes??help please
What stage of cellular respiration occurs after the formation of acetyl-CoA? Electron transport chain Fermentation Glycolysis Krebs cycle
Answer: Kreb cycle begins after the formation of acetyl-CoA.
Kreb cycle is also called as the Citric acid cycle (CAC) or Tricarboxylic acid cycle (TCA). It is a sequence of chemical reactions used by aerobic organisms for releasing energy by the oxidation of Acetyl CoA.
In Glycolysis, the oxidation of glucose results in 2pyruvate molecules which are converted to acetyl CoA. The products of the Kreb Cycle for 2 Acetyl CoA processed are
- [tex]6 NADH, 2 FADH_2, 2 ATP, \text{and }4 [/tex] [tex]CO_2[/tex]
Large predatory fish usually are found at the 3rd and 4th trophic level of an energy pyramid. what does this mean in terms of energy loss
Final answer:
Large predatory fish are located at the 3rd and 4th trophic levels of an energy pyramid. There is a significant loss of energy as it moves through the trophic levels.
Explanation:
Large predatory fish typically occupy the 3rd and 4th trophic levels of an energy pyramid. This means that they consume organisms from lower trophic levels, such as herbivores and smaller carnivores, to obtain energy. However, there is a significant loss of energy as it flows through the trophic levels, resulting in less energy being available at higher levels. Only about 10% of the energy from one trophic level is transferred to the next level, with the remaining 90% being used for metabolic processes or lost as heat.
Which fossil fuel is made mostly of methane?
Consists of 206 named bones which make up the general framework of the body
What two systems coordinate all digestive/absorptive processes?
The nervous and endocrine systems are primarily responsible for coordinating various digestive and absorptive processes. The enteric nervous system manages muscle movements and secretions, while the endocrine system regulates hormones integral to digestion.
Explanation:The two systems that coordinate all digestive and absorptive processes are the nervous system and the endocrine system. The nervous system, specifically the enteric nervous system, manages the processes of digestion by coordinating muscle movement and secretions within the digestive tract. The endocrine system, on the other hand, regulates the release of hormones such as insulin and glucagon which are integral to digestion and nutrient absorption.
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If a person consumed the upper amdr limit for protein as part of a diet providing 2500 kcalories, approximately how many grams of protein would be ingested?
which stage are proteins actually synthesized
The suffix in the medical word hematocrit means ________.
The suffix 'crit' in hematocrit means 'to separate' or 'to judge'.
The suffix 'crit' in the medical term hematocrit is derived from Greek and means 'to separate' or 'to judge'. In the context of a hematocrit test, it refers to the process of separating blood cells from plasma to measure the volume percentage of erythrocytes (red blood cells) present. A hematocrit test involves centrifuging a blood sample to cause the heavy erythrocytes to settle at the bottom of the tube, which allows for a measurement of the proportion of RBCs relative to the entire blood sample. A normal hematocrit value is usually around 45%, and it is a critical indicator of the oxygen-carrying capacity of blood, with low hematocrit values indicating possible anemia.
Explain have a fats sugars and or starch contained in seeds or milk are useful for the plant sprouting from the seed or the baby mammal
Final answer:
Starch, which is made up of the glucose polymers amylose and amylopectin, is an energy store in seeds that supports the growth of the embryo during germination and serves as a valuable food source for humans and other animals.
Explanation:
Fats, sugars, and starches found in seeds or milk serve crucial roles for both plants and mammals. In the context of plants, starch is a form of energy storage, comprising two types of glucose polymers: amylose and amylopectin. When a seed germinates, the stored starch provides much-needed energy for the developing embryo. These stores are also beneficial to mammals, such as humans, who consume them as a food source. Enzymes in our digestive system, like salivary amylase, break down starch into maltose and glucose, which our cells can then absorb and use for energy.
What are the global commons? Are these being used wisely? Why or why not? What can people do to use these resources most wisely?
The global commons refer to shared resources that are not owned by any individual or country but are essential for the well-being of humanity. However, they are not being used wisely due to the tragedy of the commons, lack of global governance, and socioeconomic factors. To use these resources most wisely, sustainable practices, international cooperation, and education and awareness are crucial.
Explanation:The global commons refer to shared resources that are not owned by any individual or country but are essential for the well-being of all of humanity, such as the atmosphere, oceans, and outer space. These resources are limited in nature and can be easily depleted if not used wisely. However, they are not being used wisely for several reasons.
Tragedy of the Commons: The tragedy of the commons occurs when individuals prioritize their own short-term interests over the long-term sustainability of the global commons. Everyone has an incentive to exploit these resources as much as possible, leading to their depletion.Lack of Global Governance: There is a lack of effective global governance to regulate the use of global commons and ensure their sustainable management. As a result, exploitation and mismanagement persist.Socioeconomic Factors: Socioeconomic factors such as poverty, overpopulation, and inequality contribute to the unsustainable use of global commons. People may resort to exploitative practices to meet their basic needs.In order to use these resources most wisely, individuals and governments can take certain measures:
Sustainable Practices: Promote sustainable practices that prioritize the long-term preservation and conservation of the global commons. This includes reducing carbon emissions, implementing sustainable fishing practices, and protecting biodiversity.International Cooperation: Foster international cooperation and collaboration to develop and enforce agreements and policies that ensure the responsible use and management of global commons.Education and Awareness: Promote education and awareness about the importance of global commons and the need for their wise usage. This can help individuals make informed decisions and advocate for sustainable practices.The timing of the cell cycle in eukaryotic cells is controlled by a group of closely related proteins known as
During which phase of the sexual response cycle does the refractory period begin? orgasm
scientists use their technology to map the human genome
cross testing
genetic chips
stem cells
dna
Answer:
genetic chips
Explanation:
B
Scientists use genetic chips, also known as DNA microarrays or gene chips, to map the human genome. Therefore option B is correct.
Genetic chips are small glass or silicon slides that contain thousands or millions of tiny DNA probes. These probes are designed to bind to specific regions of the genome, allowing scientists to detect and analyze the presence or absence of particular genes or genetic variations.
By hybridizing DNA samples onto the genetic chip and observing the patterns of binding, scientists can gain insights into gene expression, genetic variations, and other aspects of the human genome.
Genetic chips have revolutionized genomic research, enabling high-throughput analysis and providing valuable data for understanding human genetics and diseases.
Therefore option B genetic chips is correct.
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What is true of table salt?
A. It Has Only One Element
B. It Has Simple Molecules
C. It Has Radicals
D. It's Is An Ionic Compound
Answer:
The correct answer is D. It's An Ionic Compound
Explanation:
Ionic compounds have to do with those compounds that consist of ions. We see that two elements that are compounds are also ionic when one element is a metal and the other is a non-metal. Table salt is an example of an ionic compound.
The average adult aged 19-50 should consume 1000mg per day of calcium.
a. True
b. False
Dr. jackson measures how long an infant looks at different visual stimuli. which experimental method is this?
Which types of cells (animal, plant or bacteria) are most similar?
In the illustration, which site is an example of a trench ?
A
B
C
D
????
im pretty sure its D i agree with him.
Describe the chemical structure of a cell membrane
The cell membrane is made up of a double layer of phospholipids, often known as a lipid bilayer, with proteins and cholesterol molecules embedded within. These components are arranged in a versatile fluid mosaic model allowing for flexibility and movement of the cell.
Explanation:The cell membrane, also known as the plasma membrane, is the outer boundary of a cell. Its primary function is to protect the cell from its surroundings. It's composed mainly of a double layer of phospholipids (a lipid bilayer). Each phospholipid molecule has a hydrophilic (water-loving) head and two hydrophobic (water-fearing) tails. These phospholipids arrange themselves so that the hydrophilic heads face outwards towards the watery environments, both inside and outside the cell, while the hydrophobic tails face each other inwards.
Embedded within this phospholipid bilayer are various proteins and cholesterol molecules. The proteins have various functions, including the transport of molecules across the membrane. The cholesterol molecules help maintain the fluidity (flexibility) of the membrane. This entire structure is also called the 'fluid mosaic model' of the cell membrane because the proteins are embedded in a sea of lipids, and everything can move around fluidly.
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Sperm are released out of the male reproductive system through the ____?
Answer:
urethra
Explanation:
In a transformation The heat produced by friction is evidence that energy is __________.
In a transformation, the heat produced by friction is evidence that energy is conserved.
How enenrgy is consrved?But altogether, neither new nor lost energy is added to the system. When moving sand makes contact with an obstruction, friction is generated that causes it to stop, and the kinetic energy of the contact is converted to thermal energy or heat.
Energy cannot be generated or destroyed, says the law of conservation of energy, heat produced by friction is evidence that energy is conserved.
The overall quantity of energy is constant during all transformations. All of the initial energy will be accounted for if you sum up all the new forms of energy that result from a transition.
Therefore, in reality, friction's ability to generate heat is proof that energy is conserved.
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The _____ system protects soft body organs and provides a solid framework for the body
The answer is ( Skeletal )
Why are glycoproteins said to be peripheral?
They are said to be in peripheral because they are in the extracellular side and they are mostly involved with the inter cellular recognition and to be able to protect as they are serves as a protective coat, they also are responsible of maintaining the membrane’s asymmetry.
Exercise releases chemicals in our bodies called __________ , which make us feel good.
Answer:
Endorphin is released
Explanation:
When we exercise, endorphin is released in the body. Endorphin produces a positive feeling. Due to the release of this chemical, we feel like as if our pain has reduced and hence endorphin fall into the category of analgesics. Endorphin is released by several parts of the body including the brain and spinal cord and bind to the neuron receptor in the same way as a pain medicine does.
Hence, while doing exercise it is the endorphin which is released in the body to make us feel good.
An animal cell (left) and a plant cell (right) are shown. Which organelle, labeled X in the diagram, is found in both plant and animal cells? A. The cell wall B. The cell membrane C. Mitochondria D. Ribosomes
The rigth answer is cell membrane.
A cell membrane distinguishes a fundamental cellular structure formed from a double layer of phospholipids associated with other lipids, proteins and carbohydrates.
The membrane of the cell, also known as the plasma or cytoplasmic membrane, is a biological membrane (biomembrane) that separates the interior of all cells from the external environment.
The plasma membrane, cytoplasmic membrane or plasmalemma delimits the cytoplasm of the cell. Organelles are surrounded by a single cell membrane (peroxisomes, lysosomes, endoplasmic reticulum, dictyosomes, vacuole) or double (nucleus, plastids).
Answer:
the answer is cell membrane on edg
Explanation:
Which curve shows the course of the reaction in the presence of an enzyme--the black curve or the red curve? Which line represents the activation energy for that reaction--a, b, or c?
The maintaining of a relatively stable internal environment by the body is called