When the concentration of solutes reaches equilibrium, it means that the concentration of solutes is the same throughout the system (option B).
What is equilibrium?Equilibrium of a system is the condition of a system in which competing influences are balanced and resulting in no net change.
In chemistry, an equilibrium state is said to be achieved when the rates of the forward and reverse reactions are the same.
Ideally, a solution is formed when a solute dissolves in a solvent. However, when the concentration of solutes reaches equilibrium, it is said that the solutes are even or equal throughout the system.
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right answers only please its homework of science
1 Answer:
HACCP is a program designed to create awareness of potential points
of contamination in a food-processing facility.
a. true
b. false
2 Answer:
A bacteriostatic agent uses static electricity to remove bacteria
from a surface.
a. true
b. false
3 Answer:
The three major sources of contamination in a food processing plant
are people, processing equipment, and the plant environment.
a. true
b. false
4 Answer:
Water hardness is a measure of the presence of substances in water
that form insoluble precipitates with soap.
a. true
b. false
5 Answer:
The floor of a food processing facility should have an unfinished
concrete surface for easy cleaning.
a. true
b. false
6 Answer:
A _____ hazard is generally a microbe such as a bacterium, virus,
or parasite.
a. biological c. deleterious
b. physical d. chemical
7 Answer:
In a food processing plant, _____ are probably the biggest source
of contamination.
a. employees' hands
b. food preparation surfaces
c. tools and equipment used to handle food
d. employees' feet and shoes
8 Answer:
Procedures developed over time to ensure the production of safe and
wholesome food and to provide a safe working environment are called
_____ practices.
a. sanitization c. good manufacturing
b. post-production d. facility management
9 Answer:
A food-preparation surface that will not rust or deteriorate as a
result of continuous applications of water is said to be _____ resistant.
a. aquatically c. continually
b. corrosion d. sanitizer
10 Answer:
The maintenance of overall cleanliness and hygiene in the food
processing environment is known as food _____.
a. safety c. galvanizing
b. sanitation d. HACCP
Which statement describes carbon's unique bonding ability?
The statement that describes carbon's unique bonding ability is that carbon can easily form 4 covalent bonds with other atoms (option B).
Why is carbon unique?Carbon is an element in group 6 of the periodic table that posseses four valence electrons.
Carbon is said to be unique because of its ability to form four covalent bonds with atoms of other element.
A covalent bond is a type of chemical bond where two atoms are connected to each other by the sharing of two or more electrons.
Therefore, it can be said that the statement that describes carbon's unique bonding ability is that carbon can easily form 4 covalent bonds with other atoms.
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The brain stem is part of the:
A. forebrain
B. Midbrain
C. Hindbrain
D. Corpus Callosum
Answer: C hindbrain
Explanation:
The hindbrain (developmentally derived from the rhombencephalon) is one of the three major regions of our brains, located at the lower back part of the brain. It includes most of the brainstem and a dense coral-shaped structure called the cerebellum.
The chemical equation below summarizes cellular respiration.
60₂ CHO 6CO₂ + 6H₂O + energy
The energy that is released by cellular respiration is in the form of
dark energy
solar energy
nuckar energy
chemical energy
Answer: Chemical energy
parts of a germinating plant
Answer:
Hope this helps.
_____________
➲ Crediting
Image originally appeared at: Toppr
The nuclear envelope of a cell connects most directly to which organelle?
The nuclear envelope of a cell connects most directly to the endoplasmic reticulum organelle
The endoplasmic reticulum which can either be smooth or nor be rough, and in general its function is to produce the proteins for the rest of the cell to be function. The rough endoplasmic reticulum that has on it ribosomes, which are the small, round organelles whose function it is to make those proteins The endoplasmic reticulum (ER) is also a network of the membrane-enclosed tubules and the sacs (cisternae) that extends from the the nuclear membrane throughout the cytoplasm . The entire endoplasmic reticulum was enclosed by a continuous membrane and is the largest organelle of the most eukaryotic cells.
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What do the varying shapes and arrangement of epithelial tissue suggest?
The varying shapes and arrangement of epithelial tissue suggests different functions. For example, simple stratified are for outer coverings while simple columnar is for absorption.
There are many epithelial tissues in the human body. They make up the majority of the tissue in glands, line body cavities and hollow organs, and cover all of the body's surfaces. Protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception are just a few of the many tasks they carry out.
There are three types of epithelial cells in epithelial tissue: cuboidal, columnar, and squamous. The four main groups of simple epithelium are: 1) simple squamous; 2) simple cuboidal; 3) simple columnar; and 4) pseudostratified.
A spherical nucleus is located in the core of cuboidal epithelial cells, which have a cube-like structure. Tall, rectangular, and with an oval-shaped nucleus in the basal region, columnar epithelial cells exhibit these characteristics.
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Can someone make a paragraph explaining how pollution has affected Mississippi and why so many people live in poverty
Answer: Ill just type the paragraph out instead of putting it here.
Explanation: Pollution and habitat loss make Mississippi River among nation's most endangered. Threatened with pollution from farms and cities, habitat loss and increased flooding due to climate change. Pollution happens almost every day by car exhaust , mills including paper mills , and just by any toxic gas that can either kill or hurt the enviroment . The Agricultural Runoff is one of the leading causes of water pollution in the United States. People live in poverty due to lack of access to basic needs like no food , water , shelter , education , and healthcare because if they get sick they don't have access to that.
How many years on earth would pass if you lived on saturn?
A. 10
B. 30
C. 50
D. 100
Answer:
that would be 10 years that you would live
How many orbitals are in the second energy level?
Answer:
2nd level has 4 orbitals. An f sublevel has 7 orbitals.
Answer:
4 orbitals
The second energy level will thus have a total of 4 orbitals. These orbitals will be distributed on two subshells, the s-subshell and the p-subshell. How many electrons can the second energy level hold? 8 electrons There are 2 electrons on the first energy level, 8 electrons on the second level, and 1 electron on the third energy level.
Explanation:
A cladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits.
A scientist discovers a new organism that has paired legs and mammary glands. The offspring of this organism develop within the uterus of the female and are connected to the uterine wall by a placenta during fetal stages.
On the cladogram below, select the species to which the newly discovered organism is most closely related.
On the cladogram below, the species to lamprey the newly discovered organism.
How do you describe a cladogram?A cladogram is a particular kind of diagram that depicts speculative connections between collections of species. A cladogram looks like a tree with branches growing off of a central trunk. The most significant elements of a cladogram are its root, clades, and nodes. The root is the initial ancestor that all groups that split off from it have in common.
What do the nodes in a cladogram represent?In the cladogram, each node represents a hypothetical or fictitious ancestor that gave rise to two or more daughter taxa. There is a node present at each point where a group of organisms further divides into some distinct groups because the node serves as a marker for the point of divergence.
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The complete question is -
Directions: Select the correct location on the diagram.
A cladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits.
A scientist discovers a new organism that lacks limbs and does not have a true backbone. The organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface.
On the cladogram below, select the species to which the newly discovered organism is most closely related.
During glycolysis glucose is split into two 3-carbon pyruvate molecules this occurs in the cytoplasm this process is
During glycolysis glucose is split into two 3-carbon pyruvate molecules this occurs in the cytoplasm this process is called glycolytic pathway
The process of metabolizing glucose is known as glycolysis. You can have glycolysis with or without oxygen. Two molecules of pyruvate, two molecules of ATP, two molecules of NADH, and two molecules of water are produced during glycolysis. The cytoplasm is the location of glycolysis. The breakdown of sugar involves 10 enzymes Normally, phosphoenolpyruvate is converted to pyruvic acid in the final stage of glycolysis. Pyruvate kinase is an enzyme that catalyses the transformation of phosphoenol pyruvate into two molecules of enol pyruvate or pyruvic acid. Pyruvic acid, which has three carbons in its structure, is the result of glycolysis
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Place the following parts of the chemical reactions in the appropriate sequence to show synthesis of a polymer and the breakdown of a polymer. For the first series (steps 1-5), your task is to start with a monomer and end with a larger polymer made of four monomers, demonstrating the process of dehydration reactions. For the second series (steps 6-9), you are to start with a polymer made of four monomers and show how it can be broken down into individual monomers by the process of hydrolysis.
The process by which monomer units are linked together to form polymers is called condensation reactions whereas polymers are broken down into the monomer units by the addition of water by hydrolysis.
What are polymers?Polymers are compound which are composed of smaller unit of similar or different molecules known as monomers which are linked together by bonds.
Polymers which are composed of the same monomer units are known as hom0polymers whereas polymers which are composed of different monomer units are known as heteropolymers.
The process by which monomer units are linked together to form polymers is called condensation reactions and usually involve the removal of a water molecule.
Polymers can be broken down into the monomer units by the addition of water through a process known as hydrolysis.
In conclusion, polymers are large molecules composed of smaller units known as monomers.
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What is NOT a purpose of carbohydrates?
Make up amino acids
Part of nucleotide structure
Source of energy
Involved in cell signaling
Answer:
Number 4 is the Answer " Soure Of Energy
13. List three organizations or agencies in your area that are involved in the conservation and protection of the environment. Describe the purpose of each agency/organization.
Answer:
Union of Concerned Scientists: Works for a healthier environment and a safer world. Through this renewal award, UCS conducts technical assessments on securing weapons material in the US.
Natural Resources Defense Council: Strives to rid our food, air, water, and household products from toxic chemicals. NRDC works to protect our world's oceans from pollution and exploitation.
Environmental Working Group: Protect human health and the environment and specializes in research and advocacy in the areas of agricultural subsidies, toxic chemicals, drinking water pollutants and corporate accountable.
Explanation:
Which states that current cell organelles,like mitochondria and chloroplast were once prokaryotic cells consumed by other prokaryotic cells
Answer: The endosymbiotic theory
Explanation:
4
9 10
7
13
10
8
12
14
1
6
2
3
What organelle is ?
Answer:
Nucleus; Ribosomes; Endoplasmic reticulum. Smooth ER; Rough ER. Golgi Apparatus; Mitochondria ...
The density of the element mercury is 13,6 g/mL. If a sample of mercury has a mass of 4.6 grams, what is its volume?
The volume of the element mercury is 0.338 cm³.
We have elemental mercury.
We have to calculate the volume of 4.6 g of elemental mercury.
What is the relation between Mass and Density ?The relation between mass and density are as follows -
M = D x V
D - density of element
M - mass of element
V - volume of element
According to the question -
M = D x V
Rewrite the relation as follows -
V = M / D
Substitute the values -
V = 4.6 / 13.6 = 0.338 cm³.
Hence, the volume of the element mercury is 0.338 cm³.
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Thanks to vaccines, the ________ virus has been eradicated.
The complete sentence, in this case, is 'thanks to vaccines, the small pox virus has been eradicated' (Option 4 is correct).
What are vaccines?Vaccines are special formulations that may contain antigenic substances in order to trigger immune responses in the individual by activating the production of antibodies that bind these antigens in pathogenic agents.
In conclusion, the complete sentence, in this case, is 'thanks to vaccines, the small pox virus has been eradicated' (Option 4 is correct).
Complete question:
Fill the blank in the sentence. Thanks to vaccines, the _________ virus has been eradicated. Options: common cold (1); flu (2); chicken pox (3); small pox (4).
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Compare and contrast theory and laws
Explanation:
Theory explains why something happens whereas law describes what happens when certain conditions are present. This is the key difference between theory and law.Genuinely they both are principles that can be used to predict the behavior of the natural world.
Which statement gives an advantage of multicellular organisms?
A. All of the cells are the same.
B. One cell performs all of the necessary functions.
C. They can grow large.
D. They can reproduce quickly.
Give important characteristics of algae
Answer:
algae is a eukaryotic cell
Explanation:
ِAlgae are eukaryotic organisms that have no roots, stems, or leaves but they have chlorophyll and other pigments for carrying out photosynthesis. Algae can be multicellular or unicellular.
Unicellular algae occur most frequently in water, especially in plankton.
algae may occur in moist soil or on the surface of moist rocks and wood.
Which of the following is an example of a transgenic organism?
Snake venom is harvested from poisonous snakes and used to create antivenom.
Goats have been genetically modified to produce spider silk in their milk, which is used to create artificial tendons or bulletproof vests.
A farmer breeds a dairy cow that produces large amounts of milk in order to obtain offspring that are more likely to produce high yields.
Scientists remove a defective gene to correct a potential deformity in an embryo
Answer:
a transgenic organism is an organism that is modified by the addition of a foreign gene ,which is the case
with the silk producing goats
7. A friend describes something they picked up from the ground: "It is hard, with pink
rectangle-shaped pieces, black rectangle-shaped pieces, and a gray, shiny background."
Explain to your friend if they picked up a rock or a mineral and how you know.
Based on the given description: "It is hard, with pink rectangle-shaped pieces, black rectangle-shaped pieces, and a gray, shiny background.", it can be inferred that the described material or object is a mineral
This is because a mineral is a naturally occurring substance with distinctive chemical and physical properties, composition, and atomic structure and a rock is a hard object that is made up of two or more minerals that are formed through geological processes.
With this in mind, the mineral has shapes that are arranged based on the atoms that they contain and that's why there are different colors, but the same shape.
What is a Mineral?This refers to the naturally occurring substance with distinctive chemical and physical properties, composition, and atomic structure
Hence, we can see that based on the given description: "It is hard, with pink rectangle-shaped pieces, black rectangle-shaped pieces, and a gray, shiny background.", it can be inferred that the described material or object is a mineral
This is because a mineral is a naturally occurring substance with distinctive chemical and physical properties, composition, and atomic structure and a rock is a hard object that is made up of two or more minerals that are formed through geological processes.
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How are flagella and cilia similar?
They both are made of motor proteins.
All of these are true.
They both contain axoneme.
They both contain basal bodies.
They both use basal bodies.
All the 3 three statements listed are true to both flagella and cilia
In cellular biology, cilia and flagella are the basic units of motion. These beating, hair-like organelles work in systems ranging from the isolated flagella of swimming algae to the dense ciliary carpets that pump fluid in mammalian brains, yet they all share a similar basic structure. The inner workings of single cilia as complex nonlinear oscillators and the range of hydrodynamical phenomena that occur from beating dynamics are now being better understood through experiments and models. These findings provide insight into both the collective phenomena in microbial suspensions and the intricate locomotion techniques seen in single-celled microorganisms. Active filtration, noise resilience, and metachronal waves are only a few emergent phenomena that are demonstrated by dense ciliary arrays in animal systems.
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Spending time with a family dog decreases the amount of stress someone is feeling.
Independent Variable:
Dependent Variable
In the investigation about how the dog decreases the amount of stress, the dependent variable is the stress levels while the independent variable is the time expended with the dog.
What is the independent variable?The independent variable is a variable that isn't changed along the experimental procedure (in this case time), while the dependent variable is modified by the conditions.
In conclusion, in the investigation about how the dog decreases the amount of stress, the dependent variable is the stress levels while the independent variable is the time expended with the dog.
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Correctly identify the following labels on the plant and animal cells
Even when animals and plant cells share many structures, they also have several differences. Chloroplasts, a big vacuole, cell walls (plant cells), centrioles, and several small vacuoles (animal cells).
Note: Since I did not find the complete question, here I provide an explanation of the main differences between plant and animal cells, and I attach an image with different labels for you to know which these structures are.
What are the differences between plant and animal cells?Plant and animal cells share many characteristics but differeciate in some others.
SIMILARITIES:
Both of them,
are Eukaryotic cellshave a cell membrane that provides protection to the cell content and allows the selective transport of substances in and out of the cell. carry their genetic material in the nucleus and mitochondria. have organelles, which accomplish different functions and are located in the cytosol.have microtubules in their cytosol involved in substances transport and cell structure. have pigments that provide color to the tissue and accomplish different functions on the cell.DIFFERENCES
Plant Cells,
Have a cell wall, which is a rigid structure that protects the cell and provides support. Since it is rigid, cells' shape is usually prismatic and regular. Cell walls are composed mainly of cellulose. Have chloroplasts. These organelles accumulate chrorophyll and are in charge of photosynthesis. They use solar energy to produce organic matter and release oxygen. They also carry their genetic material. Have a unique big-sized vacuole that might occupy almost 90% of the cell. Their principal function is to store water and keep the turgidity. When the vacuole gets empty, the plant loses rigidity. Have plasmodium, chromoplasts, and glyoxysomes.Animal Cells,
They have centrioles, which are paired tubular organules composed of microtubules, closely involved in cell division. These are located in the centrosome near the nuclear membrane.
Animal cells have many small vacuoles that store water, ions, and waste substances.
In the attached image you will find all these labeled structures.
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PLS HELP ME
What is a major difference between these two types of cells?
Image of a prokaryote and eukaryote
A-The location of the cytosol
B-The location of the DNA
C-The presence of a plasma membrane
D-The presence of ribosomes
its not C
Answer:c
Explanation:
A man's ability to handle stress may affect production of
testosterone; blood pressure
O insulin; weight
O red blood cells; erections
healthy sperm; fertility
O estrogen; sexual desire
and reduce his
Which arrangement of leaves has more than two leaves in a circular pattern around the stem at every node?
A.
whorled
B.
alternate
C.
opposite
Answer:
aaaaaa
Explanation:
whorled :)