Answer: Rearranged
Explanation:
In chemical reactions, atoms cannot be destroyed, created, or neutralized, and that is why the only correct answer, in this case, is that atoms in chemical reactions can be rearranged.
They aren't destroyed and they can never be destroyed and also they cannot be created because of the law of conservation of energy in chemical reactions.
This law is considering that ''A matter cannot be created nor destroyed, it can only be formed in one way or the other.''
The integrating center for homeostasis in the body is
The graph shows the effect of pH on the rate of reaction to three different enzymes. What does the graph show?
Answer:
Regarding the effect of pH on the reaction rate of three different enzymes, what the graph shows is that each enzyme works better at different pH (option A).
Explanation:
Enzymes are specialized protein molecules whose function is to contribute to faster reactions with lower activation energy. To fulfill this function, enzymes must be in an optimal range of temperature and pH.
The graph shows three enzymes, one in an acidic medium, one in a neutral medium and one in a basic medium. The reaction rate of each enzyme is similar, indicating that each is working at an optimum pH. The best interpretation that can be drawn from the graph is that each enzyme works best at a different pH.
The other options are not correct because:
B. The variable "temperature" is not included in the graph.
C and D. Since the comparison of the reaction rate of a single enzyme at different pH is not being made, the graph is not useful to indicate whether an enzyme works better in acidic or basic conditions.
Looking at the map below. predict what type of boundary is present and the resulting features of the boundary at the Philippine Plate and the Eurasian Plate
Eurasian Plate
Answer:
The answer is A - Convergent boundary resulting in earthquakes and volcanic activity
Explanation:
In map, Convergent boundary resulting in earthquakes and volcanic activity.
What do you mean by convergent boundary?A convergent boundary is an area on Earth where two or more lithospheric plates collide. One plate eventually slides beneath the other, a process known as subduction.
The subduction zone can be defined by a plane where many earthquakes occur, called the Wadati–Benioff zone. A convergent boundary is an area on Earth where two or more lithospheric plates collide.
Another form of convergent boundary is a collision where two continental plates meet head-on. Since neither plate is stronger than the other, they crumple and are pushed up.
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is it true that we see color because of the sun
Yes.
The sun emits all colors of the rainbow more or less evenly and in physics, we call this combination "white". That is why we can see so many different colors in the natural world under the illumination of sunlight. If sunlight were purely green, then everything outside would look green or dark.
How many half lives has an isotope gone theough if it has 12.5% of the radioactive substance remaining
Answer:
15.81 years
Explanation:
Bleeding from a small cut soon stops due to the release of
enzymes from
1) Platelets
2) Activated Antibodies
3) Hemoglobin
4) White blood cells
Answer: 4) white blood cells
Explanation:
The bleeding from a small cut soon stops due to the release of platelets. Hence, option 1 is the correct answer. These are cell fragments of megakaryocytes.
What is a blood clot?When there is a cut, blood comes out of that organ. To prevent blood loss, the body has certain mechanisms. This mechanism is called blood clotting.
In the blood, different cells are present. Red blood cells (RBC), white blood cells (WBC), and megakaryocytes are present in the blood. The red blood cells supply oxygen to the different tissues. It consists of hemoglobin. The white blood cells protect the body from pathogens. Eosinophils, neutrophils, basophils, monocytes, etc. are white blood cells ( WBC)
Megakaryocytes are the cells that form platelets. These platelets are cell fragments of megakaryocytes. When a cut occurs, these platelets come to the site along with other clotting factors such as fibrinogen to form a network-like structure. Due to this network, the blood cells can't come out, and blood loss stops.
Hence, option 1 is the correct answer as platelets prevents the blood loss. Other options are incorrect.
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how much will atmospheric carbon change in one year
Answer:
in 1 year
854
in 10 years
890
in 100 years
1250
Please help me guys!!
Describe what happened to the deer and wolf populations between 1971 and 1980. How did the number of wolves affect the number of deer?
Answer:
as the deer pop. increased, the low pop. of starving wolves increased since there are more preys, but the wolves pop. marginally declined as the deer pop. went down.
The changes in the deer and wolf populations between 1971 and 1980 were that the deer population decreased due to an increase in the number of wolves.
What is population?The term population is commonly used to refer to the number of individuals in a given area.
It should be noted that wolves are deer predators, so the wolves kill and eat the deers. In this case, as the wolf population grows, they will hunt and kill deer. This will result in a decrease in the deer population.
In this case, an increase in the wolf population will result in a decrease in the deer population.
On the other hand, assuming the wolf population was reduced, this would have resulted in an increase in the deer population.
Thus, this can be concluded regarding the given scenario.
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Which substance is hydrophilic? Cellulose, testosterone, butter, cholesterol
Shelled protozoans become a part of _________________ layers
This fossil from the Jurassic period looks much like
we find on Earth today.
A)
ferns
B)
fish
snails
D)
starfish
it looks much like ferns
Which observation is evidence of refraction in this photo
Yeast cells are what type of reproduction (sexual or asexual)? How do you know, be specific plz?
Answer:
Asexual reproduction
Explanation:
They reproduction through binary fission
Cytosine makes up 30% of the nucleotides in a sample of DNA from an organism. Approximately, what percentage of the nucleotides in this sample will be thymine?
Cytosine (C)
30%
Guanine (G)
Thymine (1)
?
Adenine (A)
Answer:
c
Explanation:
5. Explain why an artery is an organ.
Answer:
Arteries are blood vessels that carry oxygenated blood away from the heart. Their walls are composed of three layers called the tunica intima, tunica media, and the tunica adventitia, which all have different cellular structures and compositions.
Explanation:
Similarly, organs are defined are being a collection of tissues, which are joined in a structural unit to serve a common function.An artery is made up of several types of tissues including: Elastic tissue - this evens out the pressure changes in the vessel when the heart ventricles contract, by stretching and recoiling ...
This diagram is of an amniote egg.
What is the correct label for A in this diagram?
placenta
zygote
embryo
amnion
Answer:
amnion
Explanation:
Answer: amnion
Explanation: I took the test
CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST THANK YOU
Answer:
genetic engineering
Source: star trek
Answer:
genetic engineering also known as gmo
Explanation:
hope this helps
which two processes would most likely cause metamorphic rocks to change into sediments
Answer:
Erosion and weathering
Explanation:
Answer:
pressure
Explanation:
Which of the following best describes osmosis?
Select one:
a.
Osmosis is the active transport of water across a membrane toward an area with a higher concentration of larger molecules.
b.
Osmosis is the spontaneous movement of water across a membrane toward an area with a lower concentration of larger molecules.
c.
Osmosis is the spontaneous movement of water across a membrane toward an area with a higher concentration of larger molecules.
d.
Osmosis is the active transport of water across a membrane toward an area with a lower concentration of larger molecules.
Osmosis is the type of passive diffusion in which, solvent molecules move from, a lower concentration of solute particles to a higher concentration of solute particles through a semipermeable membrane, hence option C is correct.
What is osmosis?It is the kind of passive transport that allows the transport of only solvent particles through the semipermeable membrane, on each side of the membrane concentration of solvent and solute particles having different concentrations.
It is not an active transport and does not require energy, the process is running till the equilibrium is reached at both sides of the membrane. it defines as the spontaneous movement of water.
Therefore, osmosis is the spontaneous movement of water from toward an area with a higher concentration of larger molecules through the membrane.
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Eye color in fruit flies is sex linked, with the recessive allele causing white eyes. Show the cross for a white eyed female and a red-eyed male. How many offspring will have white eyes, and what is their sex?
Answer: half the offspring will be male andvonly males will have white eyes
Explanation:
White eyed female XrXr
red eyed male XRY
crosses XrXR, XrY
half the offspring, the males, will have white eyes
Which of the following is true of sewage treatment plants in the United States?
A
They release wastewater before solids are removed from the sewage.
B
They use stormwater runoff to assist in the treatment process
с
They are not designed to remove pharmaceutical chemicals from wastewater.
D
They have largely eliminated cultural eutrophication in Chesapeake Bay
E
They release wastewater that is not regulated by the Clean Water Act.
The statement 'they are not designed to remove pharmaceutical chemicals from wastewater' is TRUE of sewage treatment plants in the United States (Option c).
What is sewage treatment?Sewage treatment refers to the procedures used to remove pollutants and contaminated substances from wastewater.
The sewage treatment is usually performed by specific treatment plants capable of eliminating different types of impurities from wastewater.Subsequently, treated water can then be newly discharged into the environment (e.g., water bodies) for its reuse.In conclusion, the statement 'they are not designed to remove pharmaceutical chemicals from wastewater' is TRUE of sewage treatment plants in the United States (Option c).
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Write out the opposite strand of DNA
A T T G C G C G G A T T
Answer:
TAACGCGCCTAA
Explanation:
A's change to T's
G's change to C's and so on and so forth
T A A C G C G C C T A A............
Which option identifies what has occurred in the following scenario?
Ten years ago, Allie walked through a beautiful country forest filled with plants and animals. She decided to take a trip
to this forest again, only to find a bare field with no plant or animal life.
O conservation
pollution
O desertification
respiration
Transcribe this dna : TATGCGAAA
Answer:
ATACGCTTT
Explanation:
DNA has the bases Adenine, Thymine, Guanine, and Cytosine
*Uracil is in RNA
In regard to actin(the thin filaments) and myosin (the thick filaments), how do
muscles contract?
The globular heads of myosin tie actin, framing cross-spans between the good and bad fibers. This development slides the actin fibers from the two sides of the sarcomere toward the M line, shortening the sarcomere and bringing about muscle withdrawal.
Speculate whether Type I or III survivorship is more typical of early or late succession in ecosystems and which population age-structure (rapid growth or zero/negative growth) is more typical of early or late succession.
Answer:
On the basis of the given information:
Type I survivorship curves - high survival rate through most of life, large organism, long life span, slow development, and few protected progeny. Slower growing organisms are present and typically of late succession
Type III survivorship curves - juvenile mortality, but live for a long time, less parental care, smaller animal, early reproduction smaller body structure. In the early succession, this type of survivorship is more common.
can u help me? guys alleast 1,2 question maybe
Answer:
1. Newton's second law states that the acceleration of an object is directly related to the net force and inversely related to its mass. Acceleration of an object depends on two things, force and mass.
2. Answer: why in a single fixed pulley the velocity ratio is always more than the mechanical advantage. ... Thus effort is able to lift less load than actual effort applied and hence mechanical advantage is less than
3. Total internal reflection, in physics, complete reflection of a ray of light within a medium such as water or glass from the surrounding surfaces back into the medium. The phenomenon occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle.
7. Mercury which is a metal but a liquid at room temperature. So it cannot be drawn into wires.
8. Hermaphroditic animals—mostly invertebrates such as worms, bryozoans (moss animals), trematodes (flukes), snails, slugs, and barnacles—are usually parasitic, slow-moving, or permanently attached to another animal or plant.
9. A bacteriophage is a type of virus that infects bacteria. In fact, the word "bacteriophage" literally means "bacteria eater," because bacteriophages destroy their host cells. All bacteriophages are composed of a nucleic acid molecule that is surrounded by a protein structure. A bacteriophage attaches itself to a susceptible bacterium and infects the host cell. Following infection, the bacteriophage hijacks the bacterium's cellular machinery to prevent it from producing bacterial components and instead forces the cell to produce viral components. Eventually, new bacteriophages assemble and burst out of the bacterium in a process called lysis. Bacteriophages occasionally remove a portion of their host cells' bacterial DNA during the infection process and then transfer this DNA into the genome of new host cells. This process is known as transduction.
Explanation:
7. What are the reactants of the Krebs cycle? (select all that apply)
oxygen
glucose
FADH2
pyruvate
carbon dioxide
ATP
lactic acid
Answer:
co2 pyruvate atp fadh2
Explanation:
If you cut your knee, pus, which is caused by _____, may form.
blood cells losing their hemoglobin
medicinal material excreted by macrophages
pathogens trying to infect the area
the death of macrophages
Answer:
The last one
Explanation:
Which two factors allow this cattail population to thrive in its ecosystem?
A. A harsh, cold climate
B. Nutrient-poor soil
OC. Adequate sunlight
D. Plentiful freshwater
Answer:
To be honest i think its D because cattails need water.
Explanation:
Answer:
c and d
Explanation: