Diamond and graphite are both polymorphs of ________
Answer: The correct answer for the blank is -
Carbon.
Explanation:
Polymorphs can be described as two or more minerals that have the same chemical composition or made up of same chemical but have difference in their atomic arrangement and crystalline structure.
Example- Diamond and Graphite both are the crystalline form of carbon as both are formed of pure carbon.
In Diamond, the atoms are packed with one another and also linked to several other carbon atoms as compared to Graphite, where there are weak bonds between the layers.
A/an ____________ is a machine which tells us about the strength and speed of seismic waves.
a seismograph because you will see size of waves in a graph form
Which steroid hormone(s) would not be produced if you blocked the activity of p450scc?
The Chlorophyta are important _____. for providing oxygen to the atmosphere for depositing diatomic residues as a source of iodine
How does the process of photosynthesis create food?
(A) Cells split into two new cells with the identical genetic makeup.
(B) Chloroplasts use carbon dioxide and water to create glucose.
(C) Mitochondria use oxygen to break down glucose and convert it to ATP.
(D) Waste passes through the cell membrane and leaves the cell.
Answer:
Option B (Chloroplasts use carbon dioxide and water to create glucose)
Explanation:
Chloroplast are known to be the "GREEN SOLAR POWER TRANSFORMERS". These are very small organelles found in the cells of plants. These organelles trap the sun light as energy source to form oxygen and glucose by utilizing Carbon dioxide and water.
The process of photosynthesis makes food when chloroplasts use carbon dioxide and water to make glucose. Therefore, the correct option is B.
The process by which plants, algae and some microorganisms convert solar light energy into chemical energy in the form of glucose is called photosynthesis. This activity occurs in the chloroplast, which contains chlorophyll as a pigment.
During photosynthesis, chlorophyll absorbs light energy, which is used to split water molecules into hydrogen and oxygen. The hydrogen is then used to carry out a series of chemical processes that convert carbon dioxide (CO2) into glucose (C6H12O6). The main source of energy for the organism is glucose, which also serves as a building block for more complex organic molecules such as cellulose and starch.
Therefore, the correct option is B.
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What is the best estimate of the frequency of the wave shown below?
WavesAQ4
A. 0.40 Hz
B. 0.85 Hz
C. 1.25 Hz
D. 2.50 Hz
The best estimate of the frequency of the wave WavesAQ4 will be 2.50 Hz. The correct option is D.
What is frequency?In physics, frequency refers to the number of waves that pass through a fixed point in one unit of time.
It also describes the number of cycles or vibrations experienced by a body in periodic motion in one unit of time.
The number of waves that pass through a fixed point in a given amount of time is referred to as the wave frequency.
The hertz (Hz) is the SI unit for wave frequency, and one hertz equals one wave passing a fixed point in one second.
The frequency of the wave WavesAQ4 is best estimated to be 2.50 Hz.
Thus, the correct option is D.
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The liver is important in carbohydrate metabolism as it processes the monosaccharides galactose and fructose into glucose. what happens to this glucose once it is done being processed in the liver? check all that apply.
Once glucose is done being processed in the liver, they are likely to do the following;
- Store glycogen
- Produce fat
It is because when there is an excess glucose, it is removed from the blood converting the rest into glycogen in which is being storied and that it also produces fat after it has been processed in the liver.
Once glucose is processed in the liver, it can be used immediately for energy, stored as glycogen, or converted into fatty acids for long-term storage in the form of triglycerides.
Glucose Metabolism in the Liver
After galactose and fructose are processed in the liver, the resulting glucose can have several fates. The liver is responsible for maintaining blood glucose levels within a normal range. The glucose can either be:
This versatility is essential in the regulation of energy metabolism, with the liver acting as a critical hub for nutrient modification, transport, and storage.
Which is present when sudan iii changes to deep orange or red
An animal with a saturated fatty acid to polyunsaturated fatty acid ratio of _______ will have the best hibernation performance.
The answer is less than 1:5, but the typical western diet is now between 1:20 and 1:50. When a fatty acid is described as being saturated, it means that it contains only single bonds between its carbon atoms, this means the source is high in saturated fats and intake should be limited and should be monitored.
As the Sun moves throughout the day, some plants can follow it. This is called _____. solar flexing solar tracking solar watching
Answer:
Solar tracking
Explanation:
Many plants have the ability to move during the day and stay oriented towards the sun's rays. This phenomenon is called solar tracking.
One of the best known plants for solar tracking is the sunflower, which while the sun moves, so does the sunflower so that its petals remain perpendicular to the sun's rays.
Solar tracking is also used in different systems, such as solar cells to get greater efficiency.
Anticholinergic agents, such as benztropine (cogentin), may be given with a phenothiazine to:
~migration of birds into a new habitat ~pollen blowing in from plants in a far-away habitat ~fish swimming in to a new habitat in a river ~seeds being carried to an island on the ocean waves The four examples listed above could all be responsible in the change in a gene pool, also called
During embryological development, the anus forms before the mouth in ___
Final answer:
In deuterostomes, the anus forms before the mouth during embryological development, with the blastopore becoming the anus and the mouth forming at the opposite end.
Explanation:
During embryological development, the anus forms before the mouth in deuterostomes. This group includes organisms such as chordates and echinoderms. The fate of the first opening in the early embryo, the blastopore, is what classifies an organism as a protostome or a deuterostome. In deuterostomes, the blastopore eventually becomes the anus, with the mouth forming at the opposite end, a process known as enterocoely. This contrasts with protostomes, where the blastopore develops into the mouth, and the body cavity forms by splitting the mesodermal mass in a process called schizocoely.
The distinction between these two forms of development is significant, reflecting broader differences in the embryogenesis of these organisms. Although there is ongoing debate and research on the specifics of mouth and anus formation in embryonic development, the general pattern of anus before mouth development in deuterostomes remains a key characteristic of these animals.
What is the greatest risk to earths water supply?
The greatest risk to Earth's water supply is a combination of pollution, over-use, and limited availability. Pollution from various sources threatens water quality, while over-use and limited freshwater sources contribute to a limited supply. Uneven distribution of precipitation also leads to water shortages in certain areas.
Explanation:The greatest risk to Earth's water supply is a combination of factors including pollution, over-use, and limited availability. Pollution from agriculture, industry, cities, and mining threatens global water quality. Over-use and pollution of freshwater sources contribute to the limited supply of clean water that people depend on. Additionally, precipitation is unevenly distributed around the globe, leading to water shortages in arid climates and densely populated areas.
figure 8.1 shows a single strand of dna choose the first three nucleotides of the other dna strand
The diagram in the question is missing has been attached.
Answer: The first three nucleotide of the complementary DNA strand will be GGC.
DNA contains nucleotide pairs on a sugar phosphate backbone. The nucleotide pairs are connected by hydrogen bonds and each nucleotide pairs with only one other nucleotide. The bases are of two types: purine and pyrimidine. The purine bases bond only to pyrimidine bases. The base pairing follows Chargaff’s rule where adenine forms a pair with thymine by two hydrogen bonds and Guanine forms a bond with cytosine with three hydrogen bonds between them .
A pump is not used to raise groundwater to the surface in areas where artesian wells are located because the water in artesian wells is
Answer: Under high pressure
Explanation:
Artesian well is constructed whenever there is high pressure in the aquifer.An aquifer is defined as a geologic layer which has the ability to hold water.In artesian well, the ground water reaches to the surface on its own as the water in this area is under high pressure. Thus, we do not need a pump to bring up the water to the surface in such areas and the well that is constructed is the artesian well.Process that leads to increased affinity of antibodies for a protein antigen as a humoral response progresses through somatic mutation of ig genes to selective survival of b cells is called
Answer: Affinity maturation
Affinity maturation is the process that leads to increased affinity of antibodies for a protein antigen as humoral response progresses. B cell maturation in the germinal center is a result of somatic mutation of immunoglobulin genes, which provide the molecular basis for the selective survival of B cells producing the highest affinity antibodies. These B cells are thought to have a competitive advantage when antigen becomes limiting in germinal centers.
Explain how this simulation does and does not represent real life
The simulation does and does not represent real life because simualtions may represent an input of the surrounding environment that helps to produce a concomitant response by cells but may also involve an abstract model that does not necessarily apply to real life.
What is the real value of simulation in life?The real value of simulation in real life is the fact that this helps us to model the responses of an organism to the surrounding enviroment, but this modeling may not present a real response in biological terms.
Therefore, with this data, we can see that simulation may model cell responses in organisms.
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The leaves of the water lily grow on the surface of a body of water. Where would you expect to find its stomates?
The formula to calculate population density is _______
Answer:
Population Density = Number of People/Land Area.
Explanation:
Population Density = Number of People/Land Area.
Outline the levels of organization starting with the smallest, organisms
For the percentage of
time has life existed on earth round to the nearest whole number
The age of the Earth is considered as 4.6 billion years. Before the oxygen appeared, the oldest life form was considered to be found around 3.8 billion years ago was the oldest microbe capable of growing and dividing. The appearance of life form is considered to have a relationship with the discovery of the strong absorbing Ultraviolet rays which is in turn related to the hydrocarbon presence.
Taking the above considerations, the percentage of time has life existed on Earth is
{3.8/4.6}*100=82.6 or approximately 83% ,
[tex] \frac{3.8}{4.6}*100=82.6% [/tex]
Please select the word from the list that best fits the definition
shows the surface features of the Earth
a. relief
b. legend
c. elevation
d. topographic nap
e. contour interval
f. index contour
What is the phrase that pays for the Unit 2 test review
1. attitude
2. values
3.
self confidence
4. sense of self
Final answer:
To prepare for self-check questions regarding Unit 2's concepts, focus on understanding attitude, values, self confidence, and sense of self, as these are pivotal in personal development and test reviews.
Explanation:
To answer the self-check questions below and monitor your understanding of the concepts in this section, it's important to review the materials and lessons from your Unit 2 test. These concepts often revolve around personal development topics such as attitude, values, self confidence, and sense of self. In many educational programs, these topics are critical and understanding them can certainly be the phrase that pays when it comes to test reviews.
Among the options provided:
Attitude reflects our mindset and approach to life and challenges.Values concern our beliefs and the principles that guide our behavior.Self confidence is our trust in our own abilities and judgment.Sense of self pertains to our perception of who we are and our self-awareness.If the 'phrase that pays' means the key concept that will ensure success on the Unit 2 test review, consider which of these is most emphasized in your course material.Biology students used raw eggs in an experiment on tonicity and osmosis. The students put their eggs into vinegar to remove the shells. The vinegar was used to remove the shell form the raw egg. What other effect(s) did the vinegar have on the egg? A) The vinegar solution was hypotonic, causing the egg to gain mass. B) The vinegar solution was hypotonic, causing the egg to lose mass. C) The vinegar solution was hypertonic, causing the egg to gain mass. D) The vinegar solution was isotonic to the egg so the mass remained constant.
The correct answer is option A, that is, the vinegar solution was hypotonic, causing the egg to gain mass.
A hypotonic solution refers to any kind of solution, which exhibits a lower osmotic pressure than another solution. In biology terms, this usually means a solution that exhibits less solute and more water in comparison to another solution.
In the given case, the egg is placed in vinegar (a hypotonic solution), thus water will get inside the egg making the egg to gain mass.
In the experiment, eggs were placed in vinegar. The vinegar, a hypotonic solution, caused water to move into the egg, which resulted in the egg gaining mass.
Explanation:The experiment described here was to test the osmosis and tonicity of solutions using raw eggs. The use of vinegar had two effects on the egg. Firstly, the vinegar removed the shell of the raw egg. Secondly, the acetic acid in the vinegar was a hypotonic solution relative to the egg, thereby causing water to move into the egg and increase its mass. The vinegar solution used to remove the shell from the raw egg in the biology experiment had the effect of making the egg lose mass. This is because the vinegar solution is hypotonic, meaning it has a lower concentration of solutes compared to the contents of the egg. As a result, water from the egg moved out to equalize the concentration, causing the egg to shrivel and lose mass.
Thus, the correct answer is option A) The vinegar solution was hypotonic, causing the egg to gain mass.
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Consider this animal cell. Which organelle is responsible for producing the energy for cellular processes?
You are a population geneticist and you have recently visited a remote pacific island where you have discovered a race of giant purple-skinned, seven-toed, three-horned dragons. in examining the new race you have discovered that a small number of the dragons have only six toes as opposed to seven and it seems to be genetically inherited trait. after a population survey, you have found that in a population of 1,378 dragons, 174 of them have only six toes. assuming the six-toed organisms are carrying a recessive trait, calculate the gene frequencies and the percentage of homozygous dominant, heterozygous, and recessive individuals on the island
Use the Hardy Weinburg equation of allelic frequency.
P2+2pq+q2=1
174/1378 = 0.126 = q2
Therefore q2 = 0.126; q = 0.355
If q = 0.355 and we understand that p + q = 1, then
P = 1 – 0.355 = 0.645
To find homozygous dominant population (p2);
(0.645)2 x 1378 = 0.416 x 1378 = 573
Heterozygous popualiton (2pq);
(2 x 0.645 x 0.355) x 1378 = 0.458 x 1378= 631
Recessive indviduals (q2) = 174
How do the benefits of natural change to ecosystems compare to the disadvantages? a. The benefits are outweighed by the disadvantages. b. The benefits outweigh the disadvantages. c. The benefits are equal to the disadvantages. d. There are no disadvantages to natural change in ecosystems. Please select the best answer from the choices provided A B C D
Answer:
b
Explanation:
This virus attacks the white blood cells of the human body. Eventually, the immune system cannot handle the viral invasion. This makes the body prone to attack from other viruses and bacteria. What is the name of this infectious viral disease?
A) AIDS
B) cancer
C) diabetes
D) Parkinson's disease
Answer:
A) AIDS.Explanation:
AIDS stands for Acquired Immune Deficiency Syndrome, like its name says, this syndrome alters the immune system in such a hard way that even a simple flu can kill you, because you don't haven any defences to fight against.
This syndrome is so heavy and complicated, imagine that AIDS can mutate according with DNAs, this means that the virus information is different in each individual.
Which of the following is not conducive to new approaches to wildlife conservation and management?
A) historical range of abundance
B) estimation of the probability of extinction based on historical numbers
C) use of age-structure information
D) better fishing techniques and fishing equipment
E) better use of harvests
Answer:
D
Explanation: