Answers
Answer:
D
Explanation:
The only process in the model that takes carbon dioxide out of the atmosphere is process D.
Process D is otherwise known as photosynthesis and it is peculiar only to green plants and blue-green algae.
During this process, the atmospheric carbon dioxide combines with another inorganic substance (water) in the presence of sunlight energy to produce carbohydrates (glucose). Oxygen is released as the by-product of the process and the equation is as below:
[tex]6CO_2 + 6H_2O + sunlight --> C_6H_1_2O_6 + 6O_2[/tex]
Related Questions
5. The double helix model of DNA explained Chargaff's rules
because
A. adenine could hydrogen-bond with thymine and
guanine could hydrogen-bond with cytosine to hold the
helix together.
B. a helix repeats itself many times over, so the four bases
in DNA can repeat themselves many times.
C. adenine and thymine are found in one strand of the
double helix and guanine and cytosine are found in the
other strand.
OD. adenine could change places with thymine while
munninn anuld chanannhan with
Answers
Answer:A adenine could hydrogen-bond with thymine and guanine could hydrogen bond with cytosine to hold the helix together
Explanation:
The double helix model of DNA explained Chargaff's rules because adenine could hydrogen-bond with thymine and guanine could hydrogen-bond with cytosine to hold the helix together. The correct option is A.
What is Chargaff's rule?According to Chargaff's criteria, guanine and cytosine should be equal in amount in the DNA of every species and organism, and adenine and thymine should be equal in amount.
Additionally, the purine and pyrimidine bases should be in a 1:1 stoichiometric ratio.
The ratio of the several nitrogenous bases present inside the DNA molecule is described. It assists in figuring out the makeup and structure of DNA in various species.
Because adenine could hydrogen bond with thymine and guanine could hydrogen bond with cytosine to maintain the helix together, the double helix model of DNA provided an explanation for Chargaff's rules.
Thus, the correct option is A.
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In 1956 Tijo and Levan first successfully counted human chromosomes. The reason it would have taken so manyyears to have done so would have included all but which of the following?
a. Watson and Crick's structure of DNA was not done until 1953.
b. Chromosomes were piled up on top of one another in the nucleus.
c. Chromosomes were not distinguishable during interphase.
d. A method had not yet been devised to halt mitosis at metaphase.
Answers
Answer:
A
Explanation:
The correct answer would be that Watson and Crick's structure of DNA was not done until 1953.
The fact that chromosomes are condensed together in the nucleus, are not distinguishable during interphase, and a method had not yet been devised to halt mitosis at metaphase could have plausibly delayed the successful counting of human chromosomes.
On the other hand, the discovery of the structure of the DNA could not have delayed the study of chromosomes because the DNA structure has no bearing on the karyotyping of chromosomes.
The chromosomes of organisms are best studied using a relevant microscope during metaphase when they would have fully decondensed and align at the equator of the cell or the metaphase plate. At the interphase phase of the cell cycle, chromosomes are full condensed under the view of the microscope.
The correct option is, therefore, A.
Asexual reproduction can be advantageous for species that colonize new areas.
A. True
B. False
Answers
Answer:
True
Explanation:
It can rapidly increase if the environment is good for them
Why does the air at higher pressure move downward?
Answers
ideas on a science experiment that has to do with marine science?
Answers
Answer:
SALT WATER DENSITY
LAYERS OF THE OCEAN
SHARK BUOYANCY
HOW WHALES STAY WARM
TIDE POOL
WATER/SHORELINE EROSION
OCEAN BOTTLE
CORNMEAL CURRENTS
DEEP-WATER CURRENTS
PENGUIN CAMO
Explanation:
Which illustration of transport across the
membrane requires energy?
Answers
Answer:
answer is on the pic
Explanation:
may be this is helpful!
Cells in the body needs what for energy
Answers
Answer:
Mostly glucose
Explanation:
Answer:
Different Cell Types Require Different Fuel Molecules. Red blood cells rely on glucose for energy and convert glucose to lactate. The brain uses glucose and ketone bodies for energy. Muscle cells use fatty acids, glucose, and amino acids as energy sources.
Which populations are least affected by density-dependent factors?
Answers
The type of selection where the characteristics on both extremes are selected against is
Answers
Answer:
stabilizing selection
What is the area of a square if the perimeter is 40
units?
Answers
Answer:
this is the ans
Explanation:
first we have to write formula of area of square is
[tex]l {}^{2} [/tex]
Use the graph and the table above to complete the table by estimating the amount of energy transferred near location B.
A.
1600 kilojoules
B.
300 kilojoules
C.
800 kilojoules
D.
400 kilojoules
E.
3200 kilojoules
Answers
Step explain
A male and a female are both heterozygous for a particular trait. Which of the following represents the expected ratio of dominant to recessive phenotypes in the offspring?
Answers
The given question is incomplete as it lack the options, however, answer can be given by the provided information.
Answer:
The correct answer is - 3:1 ratio.
Explanation:
In the question it is given that both male and female both are heterozygous for the trait, let assume dominant allele A and recessive allele a so the the gene for the both male and female is Aa.
Punnett square for the cross between both:
gametes: A, a and A, a.
A a
A AA Aa
a Aa aa
here two out of four are heterozygous dominant and one is dominant and one is recessive.
thus, 3 out of 4 are dominant and one out 4 are recessive.
thus, the answer is 3:1 ratio
Answer:
For the 4th time I need more points and its C
Explanation:
5. What would our planet be like without plants?
Answers
Answer:
we would die plants give us oxgen fruits and vegtebales . trees for example we need wood and there leaf to make doors and paper
Explanation:
I hope this makes some sense
How can you recycle your trash?
Answers
Answer:
when people recycle they really just need to pickup after themselves
Answer:
cleaning up after yourself, learning the proper way to decompose of things, throw trash out and recycle plastic by picking it up, clean up cans, and tell others to help out!
Earth makes one full rotation on its axis approximately every 24 hours. If Earth's period of rotation decreased to 20 hours, which of the following changes would occur?
There would be fewer days in a week.
The length of nighttime would increase.
It would take Earth longer to revolve around the Sun.
The length of daylight and nighttime would decrease.
Answers
Answer:
The length of daylight and nighttime would decrease.
Explanation:
If 24 hours was decreased to 20, it would shorten night and day time.
The mass of a cylinder of beetroot was 2.5 g. If its final
mass was 2.7 g, what was the
increase in mass in per cent?
Answers
Answer: The percent increase in the mass of cylinder of beetroot is 8%.
Explanation:
To calculate the percent increase in the mass of cylinder, we use the equation:
[tex]\%\text{ increase in mass}=\frac{\text{Final mass - Initial mass}}{\text{Initial mass}}\times 100[/tex]
We are given:
Final mass of the cylinder = 2.7 g
Initial mass of the cylinder = 2.5 g
Putting values in above equation, we get:
[tex]\%\text{ increase in mass}=\frac{2.7-2.5}{2.5}\times 100\\\\\%\text{ increase in mass}=8\%[/tex]
Hence, the percent increase in the mass of cylinder of beetroot is 8%.
Examine equations A and B below. Then answer the questions.
(A) 2H2 + O2 ® 2H2O (B) H2CO3 - H + HCO3
20. Which equation represents the formation of water?
21. Which equation represents the formation of an acid solution?
22. How many atoms of oxygen (O) are on both sides of equation
23. How many atoms of hydrogen (H) are on both sides of equation
24. How many atoms of hydrogen (H) are on both sides of equation
25. In which equation are carbonic acid molecules broken apart into
hydrogen ions and bicarbonate ions?
Answers
Answer: 20. A 21. B 22. A=2, B=3 23. A=4, B=3 25. B
Explanation: A has H2O (water). B has a hydrogen ion, so acidic.
In B H2CO3 is carbonic acid
The loss of hydrogen atoms leads to the formation of acids and the hydroxide forms bases. Equation A represents the formation of water, and equation B shows the acidic solution.
What is a chemical reaction?Chemical reactions are said to be involved in producing products from the reactants that undergo chemical changes. Water is formed by reacting the four hydrogens and one oxygen molecule as:
2H₂ + O₂ → 2H₂O
Equation B represents the formation of the acid as hydrogen ions are released along the product. The proton donation (hydrogen ion) is the characteristic property of the acids.There are 2 oxygen atoms in equation A, and 3 atoms of oxygen in equation B.There are 4 hydrogen atoms in equation A and 2 atoms of hydrogen in equation B.In equation B, carbonic acid breaks to form hydrogen ions and bicarbonate ions as:H₂CO₃ → H⁺ + HCO₃
Here, carbonic acid dissociates a proton that makes the solution acidic.
Therefore, the first equation represents the formation of water by oxygen and hydrogen atoms.
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1.How does Nitrogen cycle through the enviroment?
2. Trace the steps that carbon cycles from plants,animal,and enviorment?
Answers
Answer: 1. The nitrogen cycle is a biogeochemical cycle.
2. The carbon cycle is a biogeochemical cycle.
Explanation:
1. The nitrogen cycle can be defined as the biogeochemical cycle in which the atmospheric nitrogen is utilized by the plants which is fixed by the soil bacteria. The nitrogen becomes the part of the biosphere as plants utilize it as an important development mineral. The nitrogen cycle involves the nitrogen fixation in which plants fix nitrogen by the help of bacteria into ammonia, nitrification in which the ammonia is converted into nitrite, nitrogen assimilation in which the plants assimilate and utilize the nitrogen for their growth and development, and denitrification involves the reduction of nitrite into atmospheric nitrogen. The conversion of nitrogen is carried out via physical and biological processes.
2. The carbon cycle involves the atmospheric carbon dioxide being circulated in plants as they utilize it for photosynthesis. The carbon dioxide is fixed by the plants in the form of carbohydrate which is consumed by the animals and on decomposition of plants and animals dead matter release carbon dioxide gas to the atmosphere. This allows the recycling of the carbon dioxide gas in the environment.
which type of cell does the strainer best model?
Answers
Answer:
D
Sieve tube element, because it has openings that allow materials to pass through its end walls.
Answer:
D. Sieve tube element, because it has openings that allow minerals to pass through its end walls
Explanation:
I'm taking the test right now, I hope this helps
From Earth’s atmosphere, where can the carbon atom go next?
Answers
1 The blank
is the sun and
all of the planets and other bodies that travel
around it.
Answers
Answer:
solar system
Explanation:
Challenge: Make another comparison.
Earth's outer layer is like
Answers
Which activity can be accomplished using the genetic code?
O A polypeptide can be made into mRNA
. DNA can be made into mRNA
O RNA can be copied before mitosis.
O mRNA can be made into tRNA
Answers
Answer:
DNA can be made into mRNA
Explanation:
And, what else it literally says CHECK ALL THAT APPLY like....
Answers
Answer:
i dont understand??????
Explanation:
Answer:
What??
Explanation:
This makes no sense to me...
How many layers are in a typical landfill liner between the clay in the ground
and the solid waste?
Select one:
a. 2
b. 3
c. 4
d. 10
Answers
:):):):):)
Plz answer as quick as possible
Answers
Answer:
celluar wall
Explanation:
im prob wrong btw
What heat transfer method gives plants the energy they need for photosynthesis to take place?
Conduction
Convection
Radiation
Glucose
Answers
Answer: radiation
Explanation:
Answer:
Radiation
Explanation:
plants need radiation to produce sunlight in order for them to carry out photosynthesis
the type needed is photosynthetically active radiation (PAR)
PLEASE HELP I NEED TO FINISH BEFORE TODAY!!!!!!!!!!!A city sits in the middle of a broad, flat plateau that is 800 meters above sea level.
The plateau is surrounded by lower land on all sides. Which power plant would have
the HARDEST time generating power if it were built on this plateau?
Answers
Answer:
i believe it would be hydroeletric because it is above sea level and wouldnt get water.
If thyroid hormones are not released, you can regulate body temperature by _____, which requires a greater use of _____.
Answers
Answer: shivering; oxygen
Explanation:
The thyroid hormones are produced by the thyroid glands and they're the triiodothyronine and the thyroxine. The thyroid hormones are required in metabolism regulation, performs digestive functions, controls the muscle of the heart, and develops the brain.
If thyroid hormones are not released, you can regulate body temperature by shivering and which requires a greater use of oxygen.
Which is a characteristic of diatoms?
Answers
Diatoms have two distinct shapes: a few (centric diatoms) are radially symmetric, while most (pennate diatoms) are broadly bilaterally symmetric.
What are Diatoms?Any member of the vast group of several genera of microalgae that can be found in the world's oceans, streams, and soils is referred to as a diatom.
Diatoms can photosynthesize, which allows them to change the dissolved carbon dioxide in the water into oxygen.
For higher-ranking organisms in the food chain, like invertebrates and tiny fish, they serve as a major source of food. In the energy and nutrition cycles of water resources, diatoms can also be vital players.
Diatoms can be divided into two shapes: pennate diatoms, which make up the majority, are broadly bilaterally symmetric, and central diatoms, which make up the minority.
Thus, these are the characteristics of diatoms.
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