Answer:
True.
Explanation:
Researchers and scientists are not making any progress in treating or curing AIDS because the virus incorporates itself into the host cell's DNA and the medication is unable to reach that place so the virus is safe from the medication and remains in the host cells. This diseases can't be cure but can be prevented of spreading further in the body through medication such as antiretroviral therapy (ART).
6. How could a dichotomous be helpful to you if you
were lost in the wilderness?
Which statement best describes how a catalyst can speed up a chemical reaction?
The catalyst decreases the activation energy needed.
The catalyst increases the concentration of products.
The catalyst binds to enzymes to release substrates.
The catalyst increases the concentration of reactants.
Explanation:
The catalyst decreases the activation energy needed.
Catalyst can speed up a chemical reaction by decreasing the activation energy needed. Thus option a is correct.
What is catalyst?Catalyst is defined as a material that allows a chemical process to happen under new circumstances or at a typically faster rate.
It can also be defined as an additive ingredient that can speed up a reaction without being consumed during the process.
There are basically four types of catalyst.
Homogenous catalystHeterogenous catalystHeterogenized homogenous catalystBiocatalystNickel, When making margarine out of palm oil, Ni is employed. In the Haber process, iron (Fe) is employed etc. are some of the example of catalyst.
Thus, catalyst can speed up a chemical reaction by decreasing the activation energy needed. Thus option a is correct.
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Essential Question: How do
substances move across a
selectively permeable membrane? I
Answer:
Semipermeable membranes, also termed selectively permeable membranes or partially. permeable memebrans, allow certian molecules or ions to pass through by diffusion. while diffusion transports materials across membrans and within cells, osmosis transports only water across membrane.
search up a site could quillbot.
copy the answer so it can traslate it in your own words.
Sand is used to make glass. what do you think must be done to the sand to make it transform into glass?
Answer: Heat the sand up
Explanation: I dont have an explanation just to heat the glass up
12. Which of the following would change more than one amino acid in the final protein?
A deletion mutation
A silent mutation
A substitution mutation
A point mutation
Answer:
deletion mutation
Explanation:
these mutation are dangerous cause of how each amino acid read in threes so if a base is deleted the whole frame is shifted
Explain why cell going through meiosis must divide twice
Answer:
so if one dies the other doesn't as well, then the other can find another cell to reproduce more cells.
Explanation:
Best describes the relationship between photosynthesis and cellular respiration in terms of energy and matter
Answer:
Photosynthesis makes the glucose that is used in cellular respiration to makeo ATP. ... While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration.
Pease mark me as brainlist
Which of the following reduces the consumption of raw materials?
A. the use of energy efficient appliances
B. the use of smaller automobiles
C. recycling plastics, glass, aluminum, and paper
D. all of these
Answer:
D. All of the above
Explanation:
Recycle, reduce, reuse (remember that when thinking of RAW materials)
A train car is to train as a __ is to a polymer.
a. polymerization.
b. monomer
c. polypeptide.
d. protein.
Answer:
Answer is B monomer as multiple monomers makes up polymers
A 3-column table with 2 rows titled Table 2 Diffusion Tests. Column 1 has entries Color of Solution in Dialysis Tube, Color of Solution in Beaker. Column 2 is labeled Step 4: Test for Diffusion Starch with entries Clear initial color and Black after 15 minutes, Yellow initial color and Yellow after 15 minutes. Column 3 is labeled step 7: Test for Diffusion of Glucose with entries Not observed, Light Blue initial color and Red after 15 minutes.
Analysis:
diffused though the semipermeable membrane.
Answer:
only glucose
Explanation:
The second student set up solutions that were in equilibrium.
On which principle Dialysis is based?Dialysis is based on the principles of osmosis, meaning the net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration. If the solute concentrations are the same on each side of the membrane, this spontaneous movement will not occur.
In passive diffusion, the small water molecules can move across the phospholipid bilayer seen in blue. This layer acts as a semi-permeable or selectively permeable membrane; its hydrophilic heads are attracted to water (seen facing outwards) while its water-repellent hydrophobic tails face towards each other- allowing molecules of water to diffuse across the membrane along the concentration gradient.
Therefore, the second student set up solutions that were in equilibrium.
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answer for brainlist
Answer:
C is the answer
Explanation:
it shows the genotypes and phenotype of the parents and offspring
Clownfish often live inside of
a sea anemone. The clownfish are
provided with shelter and feed on the sea anemone's leftovers as they
swim among its tentacles. The clownfish also scares off predator fish
from the sea anemone.
Answer:
Mutualistic
Explanation:
Both parties benefit
Disturbances in Ecosystems Quick Check
What is the function of a top predator in an ecosystem?(1 point)
-It helps increase the number of prey.
-It creates imbalance in the ecosystem.
-It increases the food for other predator species.
-It maintains other populations.
Which is considered a top predator in the ocean?(1 point)
-a sea lion
-a bird
-a small whale
-a shark
What happens to an ecosystem during normal seasonal flooding?(1 point)
-The biodiversity of the area stays the same.
-The biodiversity of the area reaches equilibrium.
-The biodiversity of the area decreases.
-The biodiversity of the area increases.
How is the impact of seasonal flooding different from damming a river?(1 point)
-Seasonal flooding is not considered an ecological disturbance like damming.
-Seasonal flooding does not impact biodiversity for as long term as damming.
-Seasonal flooding helps balance biodiversity, but damming does not.
-Seasonal flooding increases biodiversity, but damming does not.
Would a long-term increase in the average temperature of a region be considered a significant disturbance in the ecosystem?(1 point)
-No, because it would not create large-scale changes in the environment.
-Yes, because any slight change in temperature is considered a disruption.
-Yes, because such a change could have a large-scale impact on wildlife.
-No, because increases and decreases in average temperatures are normal.
Please help and thank you.
Answer:
D / D / D / B / C
Explanation:
I just took the quick check myself, got all of them right :)
1 ) Top predators do not increase the number of prey, neither do they create imbalance or increase the food for other predator species. This is common knowledge, so ruling those out you are left with D. As they do in fact maintain the rest of the food chains populations.
2) A top predator in the ocean is a shark. Of course some might mistake a small whale to be a top predator, but sharks are actually known to hunt whales- the small ones anyway. A sea lion fish or a bird wouldn't exactly be a candidate for the top of the food chain either.
3) During seasonal flooding, to an area such as a river, water gets added to the existing pool, and many biotics and abiotics take this to their advantage. As a result- biodiversity actually increases during these times, but once season flooding is over it goes back to being the same.
4) The impact difference of seasonal flooding from damming a river is actually quite big. Seasonal flooding is.. well.. seasonal.. while damming for the most part is permanent, or will be there for much longer time span than season flooding is. Seasonal flooding increases biodiversity, but damming does not. This is becuase of the long term increase of water, the environment has to readapt, as plants that were once there drowned, and the known species most likely ran off to find better environment. Here it takes a while but eventually new abiotic and biotic species adapt and reclaim the dammed area of the environment.
5) Yes, a long term increase in the average temperature would disturb the ecosystem. Even if it's for a little bit, it's still something the environment wouldn't be used to, meaning the plants and animals there would have to learn to adapt for the time being- even if its temporary.
1: It maintains other populations
2: A shark
3: The biodiversity of the area increases
4: Seasonal flooding does not impact biodiversity for as long term as damming.
5: Yes, because such a change could have a large-scale impact on wildlife.
This is your main source of energy; it can be simple or complex.
Answer:
the main source of energy is the sun
why was their more islands in cape cod in 2014 than in 1984
Answer:
The lowering water is causing the underwater lands to be exposed to the surface of the sea level.
Explanation:
Hope this helps! :)
Considering the temperature vs. time graph below, how does the temperature at the beginning of a change of state compare with the temperature at the end of the change?
The temperature is always lower.
The temperature is always the same.
The temperature is usually lower.
The temperature is usually higher.
Answer:
where's the graph man...... Also very complicated question...
Explanation:
With graph only it can be done...Answer:
The temperature is always lower.
Explanation:
An important bacteria for human survival produces vitamin K.
How can a temporary lake create salt flats in Death Valley?
Answer:
A temporary lake create salt flats in Death Valley when Holocene lakes began to evaporate.
Explanation:
"Each time it has rained since, a new layer has been added. The flat is a vast area covered in salt that was deposited from evaporated water. When the water runs down the mountain, it dissolves minerals that precipitate out as the water evaporates."
Hope this helped!
Have a supercalifragilisticexpialidocious day!
Which of the following animals is a primary consumer?
hawk
rabbit
panther
hyena
Shy
Answer: rabbit
Explanation:
Can hydrogen peroxide be broken down by catalysts other than those found in a living system? What is/are the control(s) and why are they needed?
Answer:
Can hydrogen peroxide be broken down by catalyst other than those found in a living system? Hydrogen peroxide can be broken down by manganese dioxide because it has catalytic properties. It is unstable which makes it very reactive. ... Sand however is not able to break it down
Explanation:
because it contains no catalytic properties
Manganese dioxide, which has catalytic properties, can degrade hydrogen peroxide. Because it is unstable, it is extremely reactive. It even degrades when exposed to light.
What is a catalyst?A catalyst is a substance that accelerates or reduces the temperature or pressure required to initiate a chemical reaction without being consumed in the process. Catalysis is the process of facilitating a reaction by adding a catalyst.
Hydrogen peroxide is one of the cleanest and most versatile chemicals available, decomposing to produce only oxygen and water (disproportionation).
The catalytic decomposition of hydrogen peroxide allows for the use of various catalysts to speed up the decomposition process.
Another consideration is that catalase is an enzyme that degrades at higher temperatures. The activation energy of the reaction changes as the catalyst decomposes.
As a result, the reaction will slow down. Manganese dioxide, on the other hand, does not decompose even at higher temperatures.
Thus, it can be concluded that hydrogen peroxide be broken down by catalysts other than those found in a living system.
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Earth's mantle is made of liquid molten material. The inner part of the mantle is hotter than the outer part. Therefore, currents carry molten material up to Earth's surface. Then, they cool off so much that they sink back down inot the warmer area. What type of heat transfer is this? [ Select ]
Answer:
Convection currents are what cause the warmer molten material to rise up, and when it cools, to sink back down.
Explanation:
I WILL GIVE BRAINLIEST
Answer:
constructive interference or superposition
the 2 waves are combining their amplitudes which is the height from baseline
Explanation:
The price of a dishwasher was reduced from $400 to $200 because it was on clearance. By what is the percent decrease in price of the dishwasher?
Answer:
It should be 50 percent :)
HELP ME PLEASE ITS DUE IN TODAY
Answer:
The Male has the dominant genes and the female has weak genes.
Whats the definition of endangered and threatened in bbbbbbbkc. In own words
Anwser
Explanation:
Under the Endangered Species Act (ESA), plant and animal species may be listed as either endangered or threatened. “Endangered” means a species is in danger of extinction throughout all or a significant portion of its range. “Threatened” means a species is likely to become endangered within the foreseeable future.
Answer:
Endangered: On the verge of extinction (of a species)
Threatened: (A species) vulnerable to endangerment
Part B
How did you determine the types of cell division for both phases depicted in your model? Explain your answer.
Answer:
Cell division is a process that makes our skin, tissues, muscles, sex cells. It is the building block of our body.
Explanation:
When parents cells ahs been divided into two or more than two daughter cells then it is called division of cells. The division of cells occur as a larger cell. When we talk about eukaryotic cells, these cells divided into two distinct types of the cells, the vegetative cells.
The daughter cells are the identical to the parents cells genetically. There are two types of division such as mitosis and meiosis. When parents cells divides in daughter cells and daughter cells divided further, this process called the cells cycle. The mitosis cell division occur interphase. Meiosis cell division occur in two phase meiosis I and meiosis II.
8. In list format, identify the following structures: #2, #3, #5, #6, #9,
#14.
6 points
10
12
13
1
2
4
4
9 10
8
6
14
Your answer
Answer:
e44u75g hhd fgj jh hhff hhff gft8886
Complete the flowchart to summarize cellular respiration.
Answer:
Explanation:
K
Why is investment in capital goods important for a country like Japan? Japan's economy depends heavily on industry and must be modern to be competitive. Japan needs investment in capital goods to develop its rich natural resources. Investment in capital goods makes up for a poor literacy rate in Japan. Investment in capital goods makes overseas trade unnecessary.
Answer: Japan's economy depends heavily on industry and must be modern to be competitive.
Explanation:
Capital goods are referred to as the physical assets which are utilized during production process and they're simply used to produce other goods. Examples of capital goods are machinery, buildings, vehicles etc.
Investment in capital goods is important for a country like Japan because the economy of Japan depends heavily on industry and must be modern to be competitive. It is a highly industrialized country and must continually invest in order to keep up with other nations.
Soil texture is determined by the amount and distribution of mineral particles.
T or F
Answer:
TRUE
Explanation:
Took the quiz and got it right.
