Answer:
They form carbohydrates. The monomers are called monosaccharides.
Explanation:
Answer: Monosaccharides
Which statement best explains how the needs of a unicellular organism are
met?
a) cell parts do everything
b) all cells must work together
c) most tissues work together
d) specialized cells work together
Answer:
a) cell parts do everything
Explanation:
Firstly, a unicellular organism is an organism with only one cell. This means that there would be no specialization or differentiation of cells. Also, this means that tissues, which Is the collection of similar cells, cannot be formed.
However, in its single cell, the unicellular organism will contain cell parts or organelles, which are organ-like structures that perform specific task in the cell. Therefore, cell parts in the single cell will do everything.
its A
i took the quiz
(Psychology)
a chemoreceptor would allow you to
A.see something
B. Detect you friends features
C. Detect a smell
D. Analyze you environment
a chemoreceptor would allow you to detect a smell .
A person with a low number of white blood cells could have difficulty in fighting infections and A decrease in the number of lymphoid stem cells could result in a decrease in red blood cell.
What is nucleotide?It is the sub units and buIlding blocks of DNA. It is made up of a five-sided sugar, phosphate group and then a nitrogen base.
These groups make the backbone of the DNA helix. If you look at a DNA helix, they make the side of the ladder or the side portion. They connect to a nitrogen base which make the steps of the ladder. The type of sugar that is used in a DNA helix is called deoxyribose.
Nitrogen bases are the molecules that make up the steps of the ladders. There are four different nitrogen bases, namely; Guanine, Thymine,Adenine and Cytosine.
Pyrimidines are compounds that make a single 6-sided ring. Examples of pyrimidines are Cytosine and Thymine. Purines on the other hand make 5-sided and 6-sided rings.
Therefore, A person with a low number of white blood cells could have difficulty in fighting infections and A decrease in the number of lymphoid stem cells could result in a decrease in red blood cell.
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What is the function of the structure identified by the red arrow? A) Mobility B) Protection C) Reproduction D) DNA Transfer
Answer:
a. mobility
Explanation:
A collection of ideas and beliefs that sound like science but not supported by evidence, such as bigfoot, is known as...
theory
fact
pseudoscience
law
Answer:
pseudoscience
Explanation:
In nature, some ideas, beliefs or knowledge are mistaken to be scientific but in actual sense they are not supported by evidence using scientific method. These sorts of ideas are called PSEUDOSCIENCE. They do not follow the scientific method principles, hence, cannot be tested scientifically.
Pseudoscience is termed "fake science" as the name implies because they are brought forth as science in order to justify their claim but they are not in consistency with the scientific method. They lack the ability to be tested as false via experimentation. An example of pseudoscience as stated in the question is Bigfoot
A collection of ideas and beliefs that sound like science but are not supported by evidence, such as bigfoot, is known as - pseudoscience
Pseudoscience
These are the ideas or beliefs that appear to be the same as science are actually come with confirmation but are not supported by evidence whereas science is ideas that are based on pure evidence that can be challenged.
Pseudoscience is based on claims whereas science is based on facts and evidence. Theory, laws, and fact are part of science as these seek falsifications.
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what would you would need in order to work in forensic science field (one to two sentences).
6. Many of the people suffer from the problem of acnes and feel annoyed of the ugly skin texture caused due to the acne spots. Can you guess the microorganism causing these acne?
Answer:
Staphylococcus
Which statements describe constructive forces? Check all that apply. A volcano erupts. A river deposits gravel at a bend. Tree roots crack a boulder. A glacier carves rocks as it moves. Wind throws sand against a statue. Plate movement creates mountains.
Answer: a volcano erupts, a river deposits gravel at a bend , plate movement creates mountains
Explanation:
A statement describe constructive forces is a volcano erupts, a river deposits gravel at a bend , plate movement creates mountains.
What is constructive force?Constructive force is defined as a method of raising or constructing the Earth's surface features. The planet undergoes constructive processes when events take place that improve or transform it. The procedure by which sand is dumped upon a river bank by the flowing water is an illustration of a constructive process. The river bank is raised as a result of this construction.
Mountains and land are formed throughout time by volcanic activity. inside a volcano, heated, molten rock. On the surface of the Earth, lava flows from the volcano. Igneous rock is created as it cools. The deformation of the crust, volcanic eruptions, and sediment deposition are three of the primary constructive factors. Crustal deformation is the alteration or deformation of the shape of the land. The shifting of the Earth's plates is one of the key causes.
Thus, a statement describe constructive forces is a volcano erupts, a river deposits gravel at a bend , plate movement creates mountains.
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kinds of clothes we wear in summer and winter
Answer:
in summer we wear light coloures and mostly cotton clothes because we swear a lot and cotton is good absorber of water and light cloth so that it does not absorb more heat .
In winter we wear dark coloured and woolen othes to keep us warm the dark coloured clothes helps to absorb heat and keep us warm
Answer:
we wear clothes that cover our skin in winter and the reverse in summer
Explanation:
If a study showed that students have more hours in a drivers education class have fewer accidents this would be a(n)
A. Positive correlation
B. Casual relationship
C. Ambiguous correlation
D. Negative correlation
Answer:
The correct answer is option D. negative correlation.
Explanation:
Negative correlation is a correlation in where the relation between two variables is in such way that if one increases the other variable will decrease and if other variable will increase the first variable will decrease similarly.
In this case the first variable that is hours in driver education class shows increase than the chances of accidents decreases by that students which suggests there is a negative correlation.
Thus, the correct answer is option D. negative correlation.
What is the ovum doing during the primary oocyte stage?
Answer:
Explanation:
The process of formation of Oocytes is called Oogenesis.It id the equivalent of spermatogenis in males.it begins in the ovaries where the oocytes divides to form oogoinia by mitosis.
The oogonia under grows growth,and These cells undergo further divisions by meiosis,but the meiotic division is restricted to Prophase 1 of meiosis.These diploid cells are called primary Oocytes,and all further division from this stage remains till puberty in girls.
Answer:
Generally in Prophase 1 of meiosis of any dividing cells the following activities occurs:
1 The nuclear envelope breakdown
2. Bivalent forms and Crossing over of chromatids occurs
3,the nucleoli disappears.
Since the ovum stops at Prophase 1 to form primary oocyte during Oogenesis,therefore these are what occurs in ovum at the primary oocyte stage.
8
Muscle tissue is made up of specialized muscle cells. How are individual muscle cells different from the muscle tissue in the biceps
muscle?
Answer:
Please see below
Explanation:
The specialized muscle cells are skeletal muscle cells belonging to the striated muscle cell category. These are the muscles that are utilized for movement, and are organized into compartments of specific muscle tissues all over the body, including the biceps. Structures known as tendons are responsible for attaching skeletal muscles to bones, generally two to three cm long.
Answer:
Muscle cells are smaller than tissue cells
Explanation:
Cells are small and they are the simple stage.
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Based on the prefix the word biohazard means...?
what weather conditions could make trees grow more quickly than normal
Answer:
Explanation:
Water rain damp soil
How would you describe a bottle that contains 0.95 moles of hydrogen peroxide per liter of solution?
Answer:
A bottle that contains 0.95 moles of hydrogen peroxide per liter of solution contains 32.31 g of hydrogen peroxide per liter of the solution.
Explanation:
First, recall that:
Molarity of a substance = no of moles of the substance/volume of the solution in liters.
In this case, the number of moles of hydrogen peroxide is 0.95 mole while the volume of the solution is one liter. Thus;
Molarity of hydrogen peroxide = 0.95/1 = 0.95 M.
Also recall that:
no of moles of a substance = mass of the substance/molar mass of the substance.
Thus;
mass of substance = no of moles x molar mass.
In this case, the no of moles of hydrogen peroxide is 0.95 while the molar mass is 34.01 g/mol. Hence;
mass of hydrogen peroxide = 0.95 x 34.01 = 32.31 g
Hence, a bottle that contains 0.95 moles of hydrogen peroxide per liter of solution contains 32.31 g of hydrogen peroxide per liter of the solution. The solution also has a hydrogen peroxide molarity of 0.95 M.
The amount of hydrogen peroxide in the solution can be expressed in grams per Litre as 32.31 gram of hydrogen peroxide per Litre of the solution.
The amount of mole of hydrogen peroxide in the solution = 0.95 moles
The Molar mass of hydrogen peroxide = 34.0147 g/mol
The mass of hydrogen in the solution can be calculated thus :
Number of moles of hydrogen peroxide × Molar mass of hydrogen peroxide Mass of hydrogen = 0.95 mol × 34.0147 g/mol = 32.314 gTherefore, the bottle contains 31.314 g of hydrogen peroxide per Litre of the solution.
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Calculate the pI of Histidine (pKa’s = 2.3, 6.04, 9.33)
6.11
7.68
3.08
2.35
4.07
Answer:
The correct answer is 7.68
Explanation:
Isoelectric point (pI) is the pH at which the amino acid has net a charge of zero. We have to choose the two values of pKa at which the neutral form of the amino acid is predominant. Histidine (Hys) is a basic amino acid. From pKa's data, we deduce:
pKa1 = 2.3 (corresponds to α- carboxyl group)
pKa2= 6.04 (corresponds to R group)
pKa3= 9.33 (corresponds to α- amino group)
Since it is a basic amino acid, the neutral form will exist between the higher pKa's values. Thus, the pI will be in a pH value between 6.3 and 9.33.
So, we have to calculate the average of pKa2 and pKa3:
pI= (pKa2+pKa3)/2= (6.04+9.33)/2= 7.68
Therefore, the pI of Hys is 7.68.
what is field of biology
Answer:
Biology is the branch of science that deals with the study of living organisms and vital processes
Explanation:
Fields: Botany
Zoology
Ecology
Genetics
Physiology
Cytology
Evolution
Medicine
Evolution
Marine technology etc.......
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11. Which of the following is not part of the cell theory:
a. All cells come from an existing cell
b. All cells have a nucleus
c. A cell is able to perform all functions necessary to maintain life
d. All living organisms are made up by cells
How did Louis Pasteur's experiments lead to new scientific understandings of germs?
Experiments with cooking food showed that disease-carrying germs in food could be killed when heated.
Experiments with different magnification lenses showed that germs were real and could be observed.
O Experiments with animals showed that dominant genes could lead to risks of disease.
Experiments with shallow dishes showed that groups of germs could be grown so they could be seen without
microscopes
Answer:
The correct answer is : Experiments with cooking food showed that disease-carrying germs in food could be killed when heated.
Explanation:
Louis Pasteur's experiment with cooking shows that the microbes or germs that cause spoilage of food and disease after eating to an individual, could be killed by the heating process.
His experiment shows that microbes cause food and liquid spoilage which can be prevent by the process of the pasteurization or heating that kill such germs.
Thus, the correct answer is - Experiments with cooking food showed that disease-carrying germs in food could be killed when heated.
Answer: a
Explanation:
bc i took the test
Which statement best compares a dolphin and a mushroom? Both need blood and food. Both need food and air. Both need lungs and air. Both need lungs and blood.
Answer:
both need food and air
Explanation:
mushrooms don't have lungs or blood so they only leaves the food and air because mushrooms rely on dead living things that the mushrooms decompose overtime and all plants need oxygen to grow
Answer:
b
Explanation:
How useful is the cell type in classifying organisms?
Answer:
without cell type u cannot classifiy organisms
The cell type is extremely useful in the classification of organisms. This is because the cell type distinguishes the structural morphology and functional property of an organism with respect to its phenotypical features.
What is Cell type?Cell type may be defined as a group of cells that possess a common transcriptomic signature and low variation in other phenotypes. Cell types are utilized in order to identify cells on the basis of their morphological or phenotypical features.
It is only the cell types that enable people to understand and estimate how a complex organism evolved from a simpler organism. It also allows us to understand and study on the basis of their features, similarities, dissimilarities, etc. among diverse organisms.
Cell types also provide us with a brief evolutionary history of the organisms and the other organisms that are closely associated with them.
Therefore, the cell type is extremely useful in the classification of organisms.
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Which of the following environmental factors likely led to the exponential growth seen in fireweed after the Yellowstone wildfires? increase in habitat increase in predation from insects decrease in competition from other plants increase in sunlight increase in nutrients
Answer:
Decrease in competition from other plants.
Explanation:
Decrease in competition from other plants is the environmental factors likely leaf to the exponential growth seen in fireweed after the Yellowstone wildfires because decrease in population from other plants will lead to a particular species dorminating a particular geographical area and this dorminating species are Dorminant when competition has been reduced by wild fire and this will lead to exponential growth where the available resources will be abundance or unlimited or resources increases.
In an experiment, 6,000 people with a common cold who drank orange juice daily had symptoms that lasted an average of 4 days. Another 6,000 people with a common cold who did not drink orange juice daily had symptoms that lasted an average of 7 days. Scientists repeated the experiment 3 times with the same results. They concluded that orange juice reduces the length of the common cold. Was this conclusion valid, and why?
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Answer:
it has one Valence electrons
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Streptomycin is an effective antibiotic because _____________.
a) it inhibits protein synthesis in prokaryotes
b) it does not affect eukaryotes
c) both
d) neither
Answer: Option C.
Both
Explanation:
Streptomycin is an antibiotics produced from bacteria and fungi and it is used to treat bacteria infections (prokaryotic ) such as tuberculosis, mycobacterium infection e.t.c.
It's inhibit protein function in prokaryotes because it's affects the function and performance of 70 s RIBOSOMES which is an organelles for protein production.
Streptomycin does not affect eukaryotes because it does not bind to the RIBOSOMES of eukaryotic cells which in turn does not affect protein production.
Three of the adaptations would be very important to help a temperate forest plant disperse its population and spread out. One adaptation does not aid in population dispersal. That adapatation is A) runner roots that produce new plants by vegetative propagation. B) the use of large sugary fruits to attract animals. C) the presence of secondary xylem as wood tissue. D) the use of pollinating insects, such as bees.
Answer:
C: the presence of secondary xylem as wood tissue
Explanation:
C: the presence of secondary xylem as wood tissue, this help the tree get harder and stronger but not with population and the spread.
what does independent variable mean in science
Answer:
independent variable refers to the variable that you change or manipulate in an experiment while the dependent variable is dependent on the independent variable and how you change your independent variable will result in the dependent variables outcome.
Explanation:
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How many amino acids must be obtained in the diet because they cannot be made by the body?
Answer:
10
Explanation:
There are 20 amino acids in the body and 10 have to be consumed because the body cannot produce them.
Look at the numbers used on the vertical axis. What
would happen to the bars on the graph if these numbers
were changed to 100, 150, 200, and 300?
Answer and Explanation: You will find the graph in the attached file
When changing the numbers in the vertical axis of the original graph, you will see that bars tend to get shorter than they originally were. This occurs because new numbers are much bigger than the original numbers, the proportion of the bars changes because they must represent the same information in a much bigger space. Offenlly, this is a tool very used by media to mark a tendency when informing something. So It is very important whenever looking at any graph to see what the axes are telling you because by the size of the bars you might infer something that might be different from what is really going on.
3. What are bi-valve animals?
Answer:
Bivalvia, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. Wikipedia
Explanation: