Answer: i have literlly no clue??????
Explanation: I am just unsure, please help.
What the walls of small intestine produces?
Answer:Mucous
Explanation:
If 15% of a DNA double helix is the base adenine what are the percentages for the following bases?
Thymine _____
Guanine _____
Cytosine _____
Answer:
Thymine 15%
Guanine 30%
Cytosine 30%
Explanation:
Remember Chargaff's rules: C=G, T=A.
A = T
.15 = T
Now we've got .30 A and T, so we know 1 - .3 = .7 of the DNA should be guanine and cytosine.
.7 / 2 = .35
.35 = G
.35 = C
What is the process of meiosis 2
Answer:
During meiosis II, the sister chromatids within the two daughter cells separate, forming four new haploid gametes. The mechanics of meiosis II is similar to mitosis, except that each dividing cell has only one set of homologous chromosomes.
Explanation:
How does the amount of carbon the us emits compare to the other countries
The U.S emitted 5.1 billion metric tons of energy-related carbon dioxide, while the global emissions of energy-related carbon dioxide totaled 32.5 billion metric tons.
The data type that contains recorded measurements is called
Answer:
The data type that contains recorded measurements is called [X] data. Quantitative.
Explanation:
Answer:
Quantitative Data
Explanation:
Qualitative measurement focuses on collecting information that is not numerical. You can remember this by thinking of the word 'quality. ' Quality is not something that you measure with numbers. You don't say that dinner was 3 qualities, or that park bench is only 1 quality.
Quantitative data is data expressing a certain quantity, amount or range. Usually, there are measurement units associated with the data, e.g. metres, in the case of the height of a person. It makes sense to set boundary limits to such data, and it is also meaningful to apply arithmetic operations to the data.
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what is the..............
.....part of the living material
Answer:
hey! hope this helps love!
The cell is the smallest unit of living material capable of carrying on all activities necessary for life. ... Only animal cells are without a cell wall. Protoplast is the living part of the cell inside the cell wall and includes the cell membrane and the protoplasm.
The best method to reduce the threat of overfishing would be to . The risk of oil spills could be reduced by increasing the use of , which should help oil consumption. If an oil spill does occur, could be used to help remove the oil so the ecosystem may more quickly recover.
Answer:
The best method to reduce the threat of overfishing would be to limit the harvest of particular fish species. The risk of oil spills could be reduced by increasing the use of renewable energy sources , which should help decrease oil consumption . . If an oil spill does occur, bioremediation could be used to help remove the oil so the ecosystem may more quickly recover.
Explanation:
African penguins, which inhabit the coasts of southern Africa, were classified as an endangered species in 2010. Two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. Overfishing depletes the food supply of African penguins.
The best method to reduce the threat of overfishing would be to____
1. Construct a corridor to connect penguins and fish
2. Limit the harvest of particular fish species
3. perform a population survey on several fish species
The risk of oil spills could be reduced by increasing the use of
1. Natural resources
2. Renewable energy sources
3. Nonrenewable energy sources
, which should help______ oil consumption
1. Increase
2. Decrease
. If an oil spill does occur, __________ could be used to help remove the oil so the ecosystem may more quickly recover.
1. Bioremediation
2.reforesation
3. recycling
Overfishing can be prevented by formulating policies to limit the harvest of fishes on the basis of species they belong to.
Opting for renewable energy, such as solar or wind energy, would greatly reduce the dependence on non-renewable energy sources such as fossil fuels. Reduction in oil dependence will in turn reduce the risk of oil spillage into the environment. as well as reduce oil consumption.
Spilled oil can be removed from the ecosystem by relevant bioremediation processes. Bioremediation involves the use of biological species to clean up pollutants (such as spilled oil) from the environment.
Answer:
blank 1- limit the harvest of particular fish species
blank 2- renewable energy sources
blank 3- decrease
blank 4- bioremediation
The best method to reduce the threat of overfishing would be to limit the harvest of particular fish species. The risk of oil spills could be reduced by increasing the use of renewable energy sources , which should help decrease oil consumption . . If an oil spill does occur, bioremediation could be used to help remove the oil so the ecosystem may more quickly recover.
Explanation:
When vinegar and baking soda react, the mixture becomes cold to the touch and a gas and a new liquid substance are formed. Which best describes what is occurring in the reaction?
Answer:
answer B The reaction is chemical and exothermic.
Explanation:
because on my quiz its b.
The described chemical interaction between vinegar and baking soda is an endothermic reaction since it involves the absorption of energy, which causes the mixture to become chilly. The correct option is A.
What is endothermic reaction?A chemical reaction that is endothermic is one that increases the system's enthalpy through a thermodynamic process. A system engages in this process by absorbing energy from the environment, primarily thermal energy.
As a result, an endothermic reaction causes the system's temperature to rise while the environment's temperature drops.
Bonds are typically formed during endothermic processes, which demand energy input. Entropy of the environment is reduced during endothermic reactions.
Endothermic reactions frequently entail physical rather than chemical changes. The potential energy of the products exceeds that of the reactants in an endothermic process.
Thus, the correct option is A.
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Your question seems incomplete, the missing options are:
The reaction is chemical and endothermic.
The reaction is chemical and exothermic.
The reaction is non-chemical and endothermic.
The reaction is non-chemical and exothermic.
look at the image which statement explains what would most likely happen if the moon were closer to earth ?
Answer:The tides would be higher
Answer:
3rd one
Explanation:
yw
The part of a nucleus with neither a positive nor a negative charge.
Answer:
Unlike protons that have a positive charge, and electrons that have a negative charge, neutrons are neither positive nor negative; they are neutral. Neutrons and protons are what make up the nucleus of the atom
Answer:neutron
Explanation:
From the word neutron means its doesn't carry any charges .
What is the role of the MCR1 gene in determining a populations fitness for survival???please help it’s do today
CHILE DO U GO TO BLAIR HIGH SCHOOL
What effect would overfishing most likely have on a population of fish in a lake?
Albinism is inherited as autosomal recessive trait. The frequency of the disease in the population equals to 1:20 000. Calculate frequency of heterozygotes in population.
Answer:
0.0139- frequency of heterozygotes in the population
Explanation:
Let q to the power of 2 represents the frequency of the homozygous recessive (aa) = 1/20000 = 0.00005
This, q = √q^2 = √0.00005 = 0.007
Since p + q = 1
p = 1 - 0.007 = 0.993
Using the formula: p^2 + 2pq + q^2
Where 2pq represents the frequency of the heterozygotes, thing we have
2 x 0.007 x 0.993
= 0.0139
What kind of cells does HIV target? How does this targeting affect the hosts body process
Answer:
The white bloods cells, it takes control of the DNA.
Explanation:
3. Nowadays many people are using sunscreen lotions as per doctor's advice to protect
themselves from cancer of skin. When asked, the teacher told the class about a protective
cover of earth which is fast depleting due to a human activity. Name this cover and which
activity is the teacher referring to? Discuss in detail.
Answer:
Ozone layer... pollution
Explanation:
The ozone layer is a layer in the atmosphere which provides a barrier between harmful UV rays and the Earth. However, pollution is quickly depleting the layer which in turn creates a higher risk of skin cancers and other conditions caused by harmful UV rays.
Is biomass in the rainforest an energy source or energy sink
Answer:
Is biomass in the rainforest an energy source or energy sink
Explanation:
A neutral atom has the same number of protons as it does electrons.
True or false
Answer:
true
Explanation:
if it is neutral it has no charge
how does the size of a hydrocarbon molecule affect the volatility of crude oil?
Answer:
Longer hydrocarbon molecules have a stronger intermolecular force. More energy is needed to move them apart so they have higher boiling points . This makes them less volatile and therefore less flammable .
one similarity between natural and biological disasters
they both impact people and animal life
Explanation:
Which of the following situations would be followed by primary succession? (Choose all that apply) severe landslides overgrazing lava flows earthquake
Answer: lava flows, earthquakes
Explanation:
The primary succession begins in an area, where no life sustains initially. Such regions have no soil thus incapable of sustaining life. The land is considered primitive or underdeveloped.
The lava flow, retreating glaciers, sand dunes, earthquakes are the factors which are responsible for primary succession.
The lava will flow over a surface and will solidify into rocks. The rocks undergo withering. The earthquakes are responsible for disturbing the land.
earthquake, lava flows, severe landslides
Primary succession begins on a bare area, such as rock, without vegetation or soil.
The nitrogenous bases in DNA are held together by... A. Covalent Bonding
B. Iconic bonding
C. Hydrogen bonding
D. Van der Waals forces
Answer:
Hydrogen bonding
Explanation:
The nitrogenous bases form hydrogen bonds between opposing DNA strands to form the rungs of the twisted ladder or double helix of DNA.
Read the following claim.
The energy animals need to survive was once energy from the sun.
What evidence from the article supports this claim? Think about energy pyramids, then explain how the evidence from the article supports this claim.
Answer: The energy from the sun is the only source of energy which has the ability to sustain life on earth.
The energy pyramid states that the transfer of energy is unidirectional and it flows from the producers to the consumers.
There are different trophic levels at which the organism are found say herbivores, carnivores and top predators.
All of the organism are dependent on the producers for their source of energy.
hence, the sunlight helps autotrophs to make food and herbivores feed on them and then the carnivores animals feed on herbivores and then the top predators feed on the carnivores animals.
So, ultimate source of energy on earth is sun, which directly or indirectly provides energy to the producers and other animals.
Which is the best description of photophosphorylation?
the absorption of light energy by chlorophyll
the conversion of light energy to chemical energy
the removal of a phosphate group from a molecule
the conversion of ADP to ATP using light energ
Answer:
(D) . the conversion of ADP to ATP using light energy
Was it beneficial or harmful for the Balanus barnacle to add the Chthamalus barnacle? Explain
Answer:
harmful. (more info below)
Explanation:
Balanus may compete with Chthamalus through crowding or smothering, but Chthamalus can inhabit higher tide levels than Balanus since it is more immune to desiccation. Lower on the sea, the barnacles of acorn combine with the Endoclades (Turfweed) assemblage, and are also abundant on the shells of acorn. To conclude, it was a bad idea is add the balanus barnacle to the Chthamalus barnacle becuase balanus barnacles can crowd Chthamalus barnacle.
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One of the first explanations of evolution was put forth by a French biologist, Jean-Baptiste
Lamarck. He theorized that animals, in responding to different environments, adopted new
habits. Their new habits caused them to use some organs more and some organs less, which
resulted in the strengthening of the former and the weakening of the latter. New characters
thus acquired by organisms over the course of their lives were passed on to the next
generation. His theory proposed this process of use and disuse, repeated over many
generations, was how species evolved.
He was wrong. Why?
Answer:
Traits acquired during an organism's lifetime cannot be passed
Explanation:
The law of use and disuse of organs as postulated by Jean Lamarck was wrong due to the fact that environmentally acquired characters cannot be passed to offspring.
Changes to organisms that are not the level of the gene cannot be passed to the offspring. For example, a wrestler that got big muscles due to constant work out cannot pass big muscles to his offspring. The offspring will need to work out in order to have big muscles. This is because big muscles in the wrestler is environmentally acquired.
Only changes that happen to the genome of an organism (mutation) can be passed to offspring.
Cures and medicines for diseases, such as diabetes, can be credited to the study of _____.
these are studies of BIOLOGY
Which best describes the structure of a DNA molecule?
Answer:
A
Explanation:
the best choose is A..........
Answer:
A double helix
Explanation:
if some apeks users have the same answer choice as me
where is most glucose absorbed into the blood
8 What does the sample space represent?
Answer:
In probability theory, the sample space (also called sample description space[1] or possibility space[2]) of an experiment or random trial is the set of all possible outcomes or results of that experiment.[3] A sample space is usually denoted using set notation, and the possible ordered outcomes are listed as elements in the set. It is common to refer to a sample space by the labels S, Ω, or U (for "universal set"). The elements of a sample space may be numbers, words, letters, or symbols. They can also be finite, countably infinite, or uncountably infinite.[4]
For example, if the experiment is tossing a coin, the sample space is typically the set {head, tail}, commonly written {H, T}.[5] For tossing two coins, the corresponding sample space would be {(head,head), (head,tail), (tail,head), (tail,tail)}, commonly written {HH, HT, TH, TT}.[6] If the sample space is unordered, it becomes {{head,head}, {head,tail}, {tail,tail}}.
For tossing a single six-sided die, the typical sample space is {1, 2, 3, 4, 5, 6} (in which the result of interest is the number of pips facing up).[7]
A subset of the sample space is an event, denoted by E. Referring to the experiment of tossing the coin, the possible events include E={H} and E={T}.[6]
A well-defined sample space is one of three basic elements in a probabilistic model (a probability space); the other two are a well-defined set of possible events (a sigma-algebra) and a probability assigned to each event (a probability measure function).
Another way to look as a sample space is visually. The sample space is typically represented by a rectangle, and the outcomes of the sample space denoted by points within the rectangle. The events are represented by ovals, and the points enclosed within the oval make up the event.[8]
___________________ competition occurs between two different species. _____________ competition occurs between organism of the same species.
a.Interspecific; Symbiotic
b.Parasitic; Commensalism
c.Predation; Mutualistic
d.Interspecific; Intraspecific
Answer:
c again
Explanation:
