Answer:
a
Explanation:
What byproduct of fermentation creates the characteristic holes in swiss cheese?
a. carbon dioxide
b. lactic acid
c. ethyl alcohol
d. acetic acid
Answer: A: Carbon Dioxide.
Explanation: Hope this helps <33
Rocks are forming from lava close to a mid-ocean ridge. Are these rocks younger or older than
rocks farther away?
Oceanic crust is younger near the mid-ocean ridge than it is farther away. The rate separation along the mid-ocean ridge varies globally because this spreading happens on a sphere.
When compared to rock farther away from the mid-ocean ridge, how old is the rock close to the ridge?When comparing the ages of the oceanic crust along a mid-ocean ridge, it can be seen that the crust is youngest exactly at the spreading centre and ages by around 1 million years for every 20–40 km in either direction away from the diverging boundary.
The mid-ocean ridges were where they discovered the youngest rocks on the ocean floor. As you get further away from the ridge crest, the rocks grow older. The oldest seabed is less than 180 million years old, which startled the experts. The most prevalent rock on Earth, basalt, makes up the majority of the material that erupts at spreading centres along the mid-ocean ridge.
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What are representative organisms from the archea and eukarya, fungi, and protista?
In 1969, R.H. Whittaker proposed a classification of five kingdoms. His classifications of the kingdoms were Monera, Protista, Fungi, Plantae, and Animalia. He primarily uses cell structure, body organization, mode of nourishment, reproduction, and phylogenetic linkages as classification criteria.
Representative organisms of Archea: Pyrolobus fumarii, which has a maximum survival temperature of 113 °C (235 °F), and species of Picrophilus, which were isolated from acidic soils in Japan and are the most acid-tolerant creatures known—capable of growth at about pH 0—are all members of the archaea.
Representative organisms of Eukarya: Prokaryotes are single-celled microorganisms that lack nuclei, such as bacteria and archaea, while Eukaryotes, which include ourselves and all other animals, plants, fungi, and single-celled protists, have nuclei that serve to separate their DNA from the rest of the cell.
Representative organisms of fungi: Yeasts, rusts, smuts, mildews, molds, and mushrooms are all examples of fungi. Additionally, there are several fungus-like species that do not actually belong to the kingdom Fungi but are frequently referred to as fungi, such as slime molds and oomycetes (water molds).
Representative organisms of protista: The protists are a varied group of eukaryotes that are indistinguishable from fungi, animals, or plants. Amoebae, red algae, dinoflagellates, diatoms, euglena, and slime molds are among the creatures that belong to the kingdom of Protista.
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A wind turbine is a type of electric generator that looks like a giant fan as wind blows over the turbines blades the turbine spins the spinning turbine spins a magnet inside that produces an electric current
It is true that a wind turbine is a particular kind of electric generator that resembles a huge fan. When wind blows over the turbine's blades, it spins, spinning an internal magnet to create an electric current.
Wind turbines or generators frequently have two or three blades that operate similarly to an airplane wing or a helicopter rotor. The air pressure drops on one side of the blade when the wind passes over these blades. The difference in air pressure between the blades' sides produces both lift and drag. The rotor spins because the lift is more powerful than the drag.The generator that generates AC electricity can be connected to the rotor through a shaft, gearbox, or direct drive turbine inside which the magnet is spinned . By converting aerodynamic force into power, the turbine system works.
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Most fats and fat-soluble nutrients are absorbed and carried through the ______ system.
Most fats and fat-soluble nutrients are absorbed and carried through the lymphatic system.
The lymphatic system has many functions, one of them being the absorption of fatty acids and fat-soluble vitamins from the digestive system. The lining of the small intestine contains tiny finger like projections called the microvillus. Inside the microvillus, there is a lymphatic vessel called the lacteal.
After digestion, while most nutrients are absorbed into the blood vessels, fatty acids and fat-soluble vitamins are absorbed into the lacteal. This forms a milky white liquid due to the high fat content called chyle. The chyle is then carried through the lymphatic system into the thoracic duct, after which it is deposited into the heart to be absorbed by the blood.
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several food chain overlap to form a
Answer:
either food web or ecosystem
What occurs in the light-independent reaction of photosynthesis?
Answer:
Light is absorbed by complexes made up of chlorophylls and proteins called photosystems, which are located in the chloroplasts.
Explanation:
Which of the following best describes these biomolecules?
a. Molecule X and Molecule Y are both carbohydrates.
b. Molecule X is a nucleic acid, and Molecule Y is a carbohydrate.
c. Molecule X and Molecule Y are both nucleic acids.
d. Molecule X is a carbohydrate, and Molecule Y is a nucleic acid.
The following which best describes these biomolecules is that Molecule X is a carbohydrate, and Molecule Y is a nucleic acid and is therefore denoted as option D.
What is a Biomolecule?They are referred to as organic substances and are usually made from cells and living organisms. Examples include carbohydrate, nucleic acid etc.
Molecule X is referred to as a carbohydrate because it contains an aldehyde group and also elements such as carbon, hydrogen and oxygen while nucleic acids contain base pairs and a deoxyribose sugar as shown in the diagram below.
This is therefore the reason why option D was chosen as the most appropriate choice.
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Which complication to phylogenetic inference is most likely to be widespread in a group of species that have undergone an evolutionary radiation?
The correct answer for this question is Incomplete lineage sorting.
Because of great variability in the rates of molecular evolution and incomplete lineage sorting, phylogenetic inference is likely to be complicated in a group of species that have undergone an evolutionary radiation.
Incomplete lineage sorting is a phylogenetic analysis feature in which trees produced from a single gene differ from population or species level trees.
Due to insufficient lineage sorting, the average divergence time between genes may differ from the divergence time between species. According to models, the average divergence time between genes in the human and chimp genomes is longer than the split between humans and gorillas.
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Vinegar is made by inoculating aerobically fermented material with anaerobic bacteria.
a. true
b. false
''Vinegar is made by inoculating aerobically fermented material with anaerobic bacteria " the statement is false.
How vinegar is fermented and how it is made with bacteria?Two stages of fermentation are used to create vinegar. The first step in the formation of alcohol is tge consumption of fruit and grain sugars by yeast. Alcohol is produced by the yeast as it consumes the produces inherent carbohydrates. This is the process that we call as alcohic fermentation. Vinegar is produced when acetic acid bacteria act on alcohic beverages such as wine. Specific oxidation reaction occur through oxidative fermentation, which creates vinegar as by product.
The statement is false because it is made by the conversion Of ethyl alcohol to acetic acid by genus Bacteria.
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Amylase is a polymer of smaller molecules.
Name the type of smaller molecule.
Answer: Salivary amylase is a glucose-polymer cleavage enzyme that is produced by the salivary glands. It comprises a small portion of the total amylase excreted, which is mostly made by the pancreas.
Monomers are atoms or small molecules that bond together to form more complex structures such as polymers. There are four main types of monomer, including sugars, amino acids, fatty acids, and nucleotides.
Explanation:
A main reason that environmental scanning is important is so that businesses can be aware of.
Because of the quick changes in the environment, which have a big impact on how the company firm operates, environmental scanning is important. Identification of strengths, weaknesses, opportunities, and dangers is aided by analysis of the business environment.
What is environmental scanning ?Environmental scanning is the continuous observation of patterns and events in the internal and external environments of an organisation that have an impact on its success now and in the future. The findings are very helpful in defining objectives and tactics.
Undirected seeing, conditioned viewing, enacting, and searching are the four modes of scanning that can be distinguished, depending on an organization's assumptions about the environmental analyzability and the degree to which it interferes with the environment to understand it.Learn more about Environmental scanning here:
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why doesn't GTP, CTP, and UTP serve as energy store like ATP?
Like a Summative Practice
Directions: these are possible test questions, so circle the best answer
1. Scientists are developing a microscopic submarine to deliver
medicine to sites within the body. A biomotor that uses bacteria
would move the submarine. The scientists are experimenting with
several species of bacteria to find which one works best in the
biomotor. Which of these is the dependent variable in the
scientists' experiment?
A. the species of bacteria
B. the movement of the submarine
C. the size of the submarine
D. the sites within the body
Answer:
A. The species of bacteria
Explanation:
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What specific membrane structures serve to build gradients?
a. cholesterol
b. the lipid bilayer
c. proteins on the membrane surface
d. proteins that span the membrane aquaporins
The correct option is (d) proteins that span the membrane aquaporins
Proteins that span the membrane structures serve to build gradients.
What determines the cell's electrochemical gradient?
An electrical gradient develops across the cell membrane as a result of the active movement of ions across it. Normally, there are more positively charged ions outside of the cell than there are inside of it (cytosol). As a result, the membrane becomes positively charged on the outside and comparatively negatively charged inside. There is a voltage across the membrane as a result of the difference in charges. The ion gradient causes less positive ions to accumulate inside the cell, making the interior more negative than the exterior.Learn more about the electrochemical gradient with the help of the given link:
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You want to create a graph that shows your height over 12months period what type of graph would you use
If you want to create a graph that shows your height over 12 months period, the type of graph that is used is a line and bar graph. Both together are called combination graphs for visualization.
What are graphs?Line graphs are helpful for showing more subtle alterations to a trend over time. For comparing more significant changes or differences in data between groups, bar graphs are preferable, and they show the data among categories.
Thus, line and bar graphs are the types of graphs that are used to construct a graph that displays your height over a 12-month period.
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Look at the diagram below. The ammonium hydroxide moves down the tube. What process causes this movement?
Answer:
Diffusion
Explanation:
Ammonium hydroxide moves down the tube by diffusion from the higher concentration, the soaked cotton wool, to the lower concentration in the glass tube.
Wheat produces starch and cellulose, both of which are polysaccharides. While we rely on one for energy, we cannot digest the other. What causes such a physiological difference in digestion?.
Our bodies have the capacity to dismantle the bond that hold the various glucose molecules together.
What is polysaccharides?Most naturally occurring carbohydrates exist in the form of polysaccharide, also known as glycan. Both branching and linear molecular structures are possible for polysaccharides. Branched compounds, like gum Arabic, are typically soluble in water and create pastes, while linear compounds, like cellulose, frequently pack together to produce a stiff structure.
Write the function of polysaccharides?The three primary roles of polysaccharides are conveying cellular communication signals, storing energy, and supporting structural integrity.
Its action is largely determined by the structure of the carbohydrates. Strong and rigid linear molecules include chitin and cellulose. In contrast to fungi and insects, which rely on chitin, plants primarily use cellulose as a support molecule. Energy-storing polysaccharides frequently have branches that fold back on themselves. They are often insoluble in water due to their high hydrogen bond content.to know more about polysaccharides please check the link given below
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Our ability to accurately judge (without counting steps) how far we have walked or to tell where different parts of our body are located even if our eyes are closed is called?
Our ability to accurately judge (without counting steps) we have walked or to tell where different parts of our body are located even if our eyes are closed. This sense is called proprioception.
What is proprioception?Your body's capacity to perceive movement, motion, and position is known as proprioception, also referred to as kinesthesia. Every muscle movement you make carries it.
You wouldn't be able to move without considering your next step if proprioception didn't exist. You can walk without actively thinking about where to put your next foot thanks to proprioception. You are able to touch your elbow while closing your eyes.
What is proprioception disorder?If you have a proprioception issue, you can have these symptoms:
falling when walking on uneven groundYou are unaware of your own power. You might not be aware of how much pressure to apply when writing or picking up a brick, for instance.movement that lacks coordination, such as having trouble walking straightto know more about proprioception please check the link given below:
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Living things are divided into three different domains. Which of these domains are classified as prokaryotes?.
Bacteria and Archaea are the domains that are classified as prokaryotes.
Cellular life is divided into three main domains which are Bacteria, Archaea, and Eukaryotes.
In the field of science, prokaryotic organisms can be described as organisms that lack a well-defined nucleus and other membrane-bound organeeles. Organisms from the domain archaea and bacteria belong to prokaryotes. Examples of prokaryotes include cyanobacteria, E. coli, etc.
The archaea contain a wide range of organisms that can survive in extreme conditions.
The prokaryotes have a simple body structure and their genetic material is present in the nucleoid region of the cytoplasm of the cell. On the contrary, the genetic material of eukaryotes is well protected in the nucleus of the cell.
Although a part of your question is missing, you might be referring to this question:
Living things are divided into three different domains. Which of these domains are classified as prokaryotes?
A. Bacteria and Fungi
B. Bacteria and Eukarya
C. Archaea and Eukarya
D. Bacteria and Archaea
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What type of bonds does dna ligase create between adjacent nucleotides? hydrogen phosphodiester ionic
The type of bonds DNA ligase creates between adjacent nucleotides is called phosphodiester bonds.
DNA ligase is a special type of enzyme that helps in joining the strands of DNA together with the help of phosphodiester bonds.
In RNA and DNA, phosphodiester linkage is present between 3 and 5 carbon atoms of deoxyribose sugar in DNA and ribose sugar in RNA molecules.
Moreover, in living things, the ligase enzyme repairs both single-stranded and double-stranded molecules in double helix DNA.
In short, phosphodiester bonds are formed due to condensation between phosphate groups and hydroxyl groups of sugar compounds.
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what two cell structures are not found in prokaryotic cells
Speculate as to why the tissue level of organization is necessary( why can not one big cell take place of a tissue?)
The tissue level of organization is necessary because one big cell cannot perform the various functions that tissue is capable of doing.
Tissue is the level of biological organization that contains a group of specialized cells performing a specific function. A single big cell will not be able to perform specialized functions that a specific tissue can. Hence, the level of tissue is important for the proper functioning of the body.
Also, it is due to the tissue level of organization that the functions are divided for cells. A big cell would have to do all the functions that different tissues do. It is due to the tissue level that organs are formed which in turn form organ systems.
Hence, the biological organization level of tissue is important for the division of labor and for cells to perform specialized functions.
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Which organelle would play the most direct role in eliminating bacteria engulfed by a phagocytic white blood cell?.
Lysosomes would play the most direct role in eliminating bacteria engulfed by a phagocytic white blood cell.
An organelle of a cell that is membrane-bound and houses digestive enzymes is called a lysosome. Numerous cell processes involve lysosomes. They disassemble extra or worn-out cell components. They could be utilized to eliminate invasive bacteria and viruses.lysosome, a subcellular organelle that is present in almost all eukaryotic cells (cells with a distinct nucleus) and is in charge of breaking down macromolecules, defunct cell components, and microbes. Each lysosome is enclosed by a membrane that uses a proton pump to keep the interior of each lysosome acidic. Numerous hydrolytic enzymes (acid hydrolases) are found in lysosomes and break down macromolecules such nucleic acids, proteins, and polysaccharides. Only the acidic interior of the lysosome is where these enzymes are active.Therefore, lysosome is the correct answer.
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help I’ll give BRAINILEST
Answer:
True.
Explanation:
When you reduce pressure, water reaches the boiling point at a lower temperature. When you increase pressure, water molecules change from liquid to solid.
So pressure can change the state of matter.
Olivia wrote a few steps to describe how carbon circulates between the atmosphere and the land. Step 1. Carbon is released into the atmosphere by the burning of fossil fuels. Step 2. Carbon is absorbed by plants in the process of photosynthesis. Step 3. Carbon is stored in plants and stored in the soil when they die. If step 2 is removed, which statement best describes the effects of this missing step on the carbon cycle?
Less carbon is stored in the ground.
Less carbon will build up in ocean waters.
More carbon is stored in animals.
Less carbon is absorbed into the ocean.
The statement that best describes the effects of this missing step on the carbon cycle is more carbon is stored in animals. The correct option is C.
What is carbon?Carbon is an element present in the periodic table. It is a gas that is present in the environment in a small amount. But due to increasing activities like burning fossil fuels, the amount of carbon in the environment is increasing day by day.
If here, the second option is removed then, the plants will not absorb the carbon, and the amount of carbon in the body if animals will increase.
Thus, the correct option is C. More carbon is stored in animals.
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Russia and Ukraine are states or nations? justify your answer
Answer:
They're countries.
Explanation:
Since both aren't exactly one or the other, theyre seen as Countries.
A student is looking at a diagram of a cell. She notices that it has multiple nuclei. What
type of cell is it?
Bacteria
Plant
Fungus
Animal
The type of cell having multiple nuclei is fungus cell.
The formation and growth of multinucleated muscle fibers or myotubes occurs through a process known as myogenesis. During myogenesis, mononucleated myoblasts withdraw from the cell cycle, initiate muscle-specific gene expression, and fuse to form nascent multinucleated myofibers.
Multinucleated giant cells are important mediators of tissue remodeling and repair, and are also involved in the removal or sequestration of foreign bodies, intracellular bacteria, and non-phagocytic pathogens such as parasites and fungi. Myofibrils are not muscle cells. Many myofibrils make up a muscle cell known as a muscle fiber. And muscle fibers have multiple nuclei. And since it was formed by the fusion of multiple muscle cells, it has multiple nuclei.
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What sediments are moved to create stalactites?
Limestone rock sediments create stalactites.
What are stalactites ?They are icicle-shaped deposits that appear where water has dissolved limestone above and subsequently placed calcium carbonate along cave ceilings or floors. In ceilings, stalagmites grow and hang downward.
How stalactites are formed ?Chemical sedimentary rocks are produced as a result of precipitation or the development of new minerals in water. Large sedimentary structures like stalactites and stalagmites, which grow in caves, can be produced by precipitation.
When rainwater drips through limestone rock, stalagmites and stalagtites are created. According to the National Park Service, it gathers up carbon dioxide as it travels by from the air and whatever organic materials it passes as it drips down.
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Which phytoplankton flourished in the miocene, probably because of increased volcanism? group of answer choices
a. radiolarians
b. diatoms
c. dinoflagellates
d. coccolithophores
e. foraminifera
The diatoms phytoplankton flourished in the Miocene, probably because of increased volcanic
What is the diatom?Any member of the broad group of several genera of microalgae that can be found in the world's oceans, streams, and soils is referred to as a diatom. Diatoms are tiny, single-celled algae with a silica-based cell wall. They do, however, exhibit the urea cycle, which is typical of plants, unlike other algae and plants. A subfield of phycology is the study of diatoms. Diatoms are categorized as eukaryotes, which set them apart from prokaryotes like bacteria and archaea because they have a nuclear envelope-bound cell nucleus. Diatoms are a form of phytoplankton, the most prevalent kind of plankton. Diatoms are tiny, one-celled algae with a silica shell that can withstand acids, heat, and bodily decay. They thrive in colonies, proliferate in both fresh and saline water, and are widely distributed in soils.Therefore the correct answer is b. diatoms
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