Answer:
Due to Auxin
Explanation:
Auxins are known as the growth chemicals in a plant body. The part of the plant which are kept in shade has higher growth as compared to the part of the plant which is in the shade. This is so because, Auxins on the sunnier side break down into smaller molecule compounds and hence the plant body on the sunnier side has lower growth rate while in case of side which is on the darker side, a plant receives lesser amount of sunlight, thus auxin remains intact.
Which of these is a pure substance? Question 3 options: a penny sugar ocean water iced tea
Answer:
Pretty sure the answer is: sugar
Explanation:
ocean water has salt and fish stuff so it isnt pure water.
penny is metal but not made out of just one metal
iced tea is a no
so ya
Hope this helped
How does a law differ from a theory?
Answer:
A hypothesis is a limited explanation of a phenomenon; a scientific theory is an in-depth explanation of the observed phenomenon. A law is a statement about an observed phenomenon or a unifying concept.
At the center of every atom lies a small, dense ____________ that is positively charged. A) cloud B) neutron C) nucleus D) orbital
The nucleus is the very tiny, very dense center of the atom which contains all of the atoms protons and neutrons - most of its mass - but very little of its volume. Think about a marble at the center of a football field.
what ability allows carbon atoms to form a large number of molecules
The gravitational strength at the poles is greater than the gravitational strength at the equator. What will happen to an object when it moves from the poles to the equator? A.Its mass will increase. B. Its mass will decrease. C. Its weight will increase. D.Its weight will decrease
Answer:
D. Its weight will decrease
Explanation:
It cannot be a or b since mass is the amount of matter in an object so when you move to someplace without gravity you did not get any additional body parts so the mass stays the same and therefore does not increase or decrease
But, weight does change if you go from one place with less gravity then another planet your weight will decrease.
A crustacean that remains in one place and produces a hard volcano-shaped structure for protection is called a
Liver tissue is a combination of many types of cells. In addition to other tissues, it contains connective tissue and epithelial tissue. Which two sentences correctly identify the roles of these tissues?
Connective tissue supports the framework of the liver, and epithelial tissue protects the liver. Connective tissue helps to send impulses to the brain, and epithelial tissue helps in contraction and relaxation. Connective tissue helps with contraction and relaxation, and epithelial tissue supports the framework of the liver. Connective tissue forms the lining of the liver, and epithelial tissue helps to send impulses to the brain. Connective tissue holds the liver in place during movement, and epithelial tissue forms the lining of the liver. NextReset
The right answers are: A and E (the first one and the last one).
Tissue cells is defined as a set of cells of the same constitution and exerting a same function. Connective tissues (or connective tissue) are tissues whose main function is to provide support and protect other body tissues.
Epithelia are tissues consisting of cells closely juxtaposed (or joined) without interposition of fiber or fundamental substance (in light microscopy, which distinguishes them from connective tissue).
what is the effect of ph on enzyme activity?
Enzymes have optimal pH levels at which they are most active, and deviations from this pH can alter their shape and function, possibly leading to reversible or irreversible denaturation.
The Effect of pH on Enzyme Activity
The activity of enzymes, which are typically proteins, is highly sensitive to changes in the pH levels of their environment. Each enzyme has an optimal pH at which it performs best. For amylase, this optimum pH is around 7, while other enzymes, such as pepsin and alkaline phosphatase, have optimal pH levels at 1.5 and 9.8, respectively. At the optimal pH, the binding of the substrate to the enzyme's active site is facilitated because the ionizable side groups within the active site maintain the correct charge.
Alterations in pH can affect the ionization and shape of an enzyme, impacting its ability to bind to substrates and carry out its function. If the pH deviates significantly from the enzyme's optimal range, this can lead to denaturation, where the enzyme loses its structure and, consequently, its activity. This denaturation may be reversible if the pH change is slight, but it can become irreversible with extreme pH changes.
It is important to note that different enzymes have evolved to function optimally at different pH levels, as seen with stomach enzymes thriving in acidic conditions, while others, such as those found in the small intestine, operate best in more basic conditions. This specificity allows enzymes to perform effectively in the various environments throughout an organism.
A scientist observed a cell using an electron microscope. The size of the image was 25mm. The magnification was x 100,000. Calculate the real size of the cell. Give your answer in micrometers
The real size of the cell observed under the electron microscope is 0.25 micrometers (µm). This is found by converting the image size to micrometers and then dividing by the magnification factor.
Explanation:In order to find the actual size of the cell, we need to divide the size of the image by the magnification. In this case, we need to divide 25mm by 100,000. As the result needs to be in micrometers (µm), we should first convert our measurements to the same units. Knowing that 1mm = 1000µm, we first convert 25mm into µm by multiplying by 1000, which gives us 25000µm. Now, divide 25000µm by 100,000x to get the actual size. This gives the real size of the cell as 0.25 µm.
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Which option is an example of a physical property?
A- flammability
B- melting point
C- toxicity
D- rusting ability
How is a hummingbird getting nectar from a flower an example of mutualism?
How does the addition of a catalyst affect the energy of activation of a chemical reaction
A catalyst lowers the activation energy (Ea) in a chemical reaction by providing an alternative path for the reaction. This mechanism results in an accelerated rate for the reaction due to a lower activation energy and a quicker rate-determining step. The number of reaction steps doesn't necessarily change due to the catalyst.
Explanation:The addition of a catalyst significantly impacts the energy of activation of a chemical reaction by lowering it. By providing an alternative reaction mechanism, a catalyst enables a reaction to proceed via a different path which has a lower energy transition state and hence, a lower activation energy, Ea. An apparent observation from figures such as 12.19 or 17.21, which represent reaction diagrams both with and without the presence of a catalyst, is that even though the uncatalyzed and catalyzed reactions might start and end with the same energies, the catalyzed reaction always has a lower activation energy.
The catalyst allows this by providing a reaction path whose rate-determining step (the slowest step that determines the reaction rate) has a lower activation energy. Although the number of intermediary steps in a reaction could change due to the presence of the catalyst, it doesn't necessarily have to. The vital factor is that the catalyzed mechanism provides a faster reaction path. Hence, the result of adding a catalyst is an accelerated rate of the reaction.
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Osmosis involves which of the following processes
1) Movement of water up a concentration gradient
2)Movement of water across a cell membrane
3)Movement of solute up a concentration gradient
4)Movement of solute across a cell membrane
Answer:
Option (2)
Explanation:
Osmosis refers to the process of diffusion of water (other solvents) from a region of low-solute concentration to a high solute concentration, through a membrane that is semi-permeable in nature . This solute or solvent transport is generally passive, which means that energy is not required for the osmosis process to take place.
This takes place in order to equalize the concentrations of solute (or solvent) on both the sides of the cell membrane.
Thus, osmosis refers to the movement of water across a cell membrane.
Hence, the correct answer is option (2).
Osmosis is a biological process that involves the movement of water molecules across a selectively permeable membrane, such as a cell membrane. The correct option is 2.
Osmosis occurs in response to differences in solute concentration between two solutions separated by the membrane.
When there is a difference in solute concentration between two solutions, the water molecules have a natural tendency to move from an area of lower solute concentration to an area of higher solute concentration.
This movement occurs through the pores or channels present in the cell membrane.The cell membrane acts as a barrier that allows the passage of water molecules but restricts the movement of solute particles. As water molecules move across the membrane, they are driven by the goal of equalizing the concentration of solute on both sides of the membrane. This process continues until the solute concentration becomes balanced or until the osmotic pressure is equalized.Thus, the correct option is 2, the movement of water across a cell membrane.
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explain how messages travel to and from the brain through the nervous system
is it through Neurotransmitters and hormones?
The majority of dust is composed of human skin cells. What does this indicate about the rate of mitosis for epithelial tissue?
Answer:
The correct answer is - epithelial cells or skin cells have a rapid mitosis rate.
Explanation:
The epithelial cells are the cells that composed the outer layer of the skin of the body. These cells are continuously shed from the body and the next cell takes place of those cells. These skin cells are composed of the mitosis type of division, however, it is more of the rapid mitosis in the skin cells as skin cells die more rapid than those of other cells.
Thus, the correct answer is - epithelial cells or skin cells have a rapid mitosis rate.
How do developed nations such as the United States play a part in rainforest destruction?
The developed nation like United States play a significant role in the destruction of the rainforest as it cut down a large number of trees for the development of the nation.
The logs of the trees were used as the raw materials for many industries.The developed nations were once undeveloped and at that time they used woods for settlement of the industries and deforestation was done to capture the space required for urbanization.
what adaptions allow lions to hunt at night?
Lions are well-adapted to nocturnal hunting thanks to their ability to regulate body temperature and their exceptional sense of hearing.
Lions have evolved various adaptations that allow them to be efficient nocturnal hunters. One crucial adaptation is their ability to regulate body temperature, which enables them to remain active in the cooler nighttime temperatures. By hunting at night, lions avoid the scorching heat of the day, which can be energetically taxing. Another significant adaptation is their keen sense of hearing that aids in detecting prey in the dark. Their hearing is more beneficial at night than their vision, allowing them to track and pinpoint prey even when it's not visible.
Contrary to some misconceptions, lions are not solitary when it comes to hunting; they often hunt in groups called prides. This social behavior increases their success rate during hunts, as they can coordinate attacks and ambush prey.
a liver cell must create a protein to carry it's fats through the body. Where would the instructions be found?
A)Brain
B)Nucleus
C)Hormone
D)Enzyme
PLEASE ANSWER THIS QUICKLY!!!
what does homeostasis mean
Which statements are related to nuclear fusion?
E = mc²
fission
atom splitting
nuclei combinations
mass converted to energy
energy converted to mass
there is more than one answer
Answer:
E = mc²
nuclei combinations
mass converted to energy
Hope this helps
The ABO blood type system in humans demonstrates
Final answer:
The ABO blood group system is determined by IA, IB, and i alleles which result in the A, B, AB, and O blood types. This system is vital for blood transfusions and demonstrates multiple alleles and codominance.
Explanation:
ABO Blood Group System
The ABO blood group system in humans is a classification determined by the presence of antigens on the surface of red blood cells. These antigens are genetic characteristics and are determined by specific alleles. There are four main ABO blood types: A, B, O, and AB. The alleles that encode these antigens are IA for A, IB for B, and i for O. Both A and B antigens are dominant to O. In human reproduction, if a heterozygous blood type A parent (IAi) and a heterozygous blood type B parent (IBi) mate, there is a possibility that their offspring will have AB blood type.
It is crucial in blood transfusions to match donors and recipients correctly based on ABO blood types. Individuals with type O blood are known as universal donors because they can donate blood to any ABO blood type, and those with type AB blood are universal recipients, able to receive blood from any ABO type. The ABO blood types demonstrate multiple alleles and codominance, as both A and B alleles can be expressed simultaneously without blending.
what feature of bone tissue allows it to normally withstand lateral stress without breaking
which compound has the greatest number of oxygen atoms per carbon atom
b) C₃H₅(NO₃)₃ has the greatest number of oxygen atoms per carbon atom with a ratio of 3:1.
Let's compare the given compounds to determine which has the greatest number of oxygen atoms per carbon atom:
CO (carbon monoxide) - There is 1 oxygen atom for every 1 carbon atom, so the ratio is 1:1.C₃H₅(NO₃)₃ - This compound has 3 carbon atoms and (3 × 3) = 9 oxygen atoms in total. So, the ratio is 9:3 or 3:1.CO₂ (carbon dioxide) - There are 2 oxygen atoms for every 1 carbon atom, so the ratio is 2:1.C₆H₁₂O₆ (glucose) - This compound has 6 carbon atoms and 6 oxygen atoms. So, the ratio is 6:6 or 1:1.Therefore, among the given compounds, C₃H₅(NO₃)₃ (Trinitroglycerin) has the greatest number of oxygen atoms per carbon atom with a ratio of 3:1.
complete question:
Which compound has the greatest number of oxygen atoms per carbon atom?
A. CO
B. C3H5(NO3)3
C. CO2
D. C6H12O6
A food web illustrates a grasshopper eating grass. What is the role of the grasshopper in this food web? Decomposer Producer Secondary consumer Primary consumer
The role of the grasshopper eating the grass is primary consumer. Details about primary consumer can be found below.
What is a primary consumer?Living organisms feed on one another to derive energy needed for their daily metabolic activities.
A producer begins the food chain or web because the energy starts with the producer. In this case, the producer is the grass.
According to this question, the grasshopper eats the grass (the producer), therefore, the grasshopper is the primary consumer.
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why should experiments be replicable
what type of messages do neurons deliver to one another
Label the items with a letter by them:
compare and contrast type 1 and type 2 diabetes
Type 1 and Type 2 diabetes are both conditions disrupting glucose regulation but they differ in their onset and management approach. Type 1, usually developing early in life, involves autoimmune destruction of insulin-producing cells while Type 2, often associated with lifestyle factors such as obesity, involves insulin resistance and insufficient insulin production.
Explanation:Type 1 and Type 2 diabetes are both chronic conditions that affect the way the body regulates glucose or sugar, which is essential for the body to function. However, they differ based on several aspects.
Type 1 diabetes is an autoimmune condition where the immune system attacks the insulin-producing beta cells in the pancreas, resulting in the body producing little to no insulin. It's usually diagnosed in children and young adults hence also referred to as juvenile diabetes. On the other hand, Type 2 diabetes is a metabolic disorder and the more common type. It's associated with insulin resistance whereby cells fail to respond properly to insulin, as well as insufficient insulin production. Factors such as obesity, lack of exercise, and poor diet contribute to the onset of Type 2 diabetes.
Both types of diabetes lead to chronically high blood sugar levels and can cause serious health complications if not properly managed. Communalities include the need to monitor blood sugar levels, and the use of diet and exercise in managing the conditions. However, because Type 1 diabetes results from no or little insulin production, insulin therapy is necessary. In contrast, initial treatment for Type 2 diabetes involves lifestyle modifications and may later include medication or insulin therapy if blood sugars are not adequately controlled.
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What time it would be in Los Angeles if it were 7:00 pm in New York City
Answer:
4 pm
Explanation:
NY is three hours ahead of LA
A system in which both energy and matter are exchanged with the surroundings is known as a(n) _________________.
a. dynamic system
b. open system
c. closed system
d. flowing system
Answer:
B. Open system
Explanation:
An open system is the one that exchanges both energy and matter with its surroundings. The term implies that the open system exchange energy with its surroundings according to the temperature gradient and there is an exchange of matter as well.
For example, all living beings are open systems. Human is also an example of an open system. We derive energy from the food that we get from our surroundings. We can also take the energy of solar radiations. So, humans are capable of exchange of energy and matter with its surroundings.