What is the role of cellular respiration in plants?
A.To produce ATP
B.To absorb carbon dioxide
C.To release oxygen
D.To form glucose
Answer:
To produce ATP
Explanation:
Mark as brain list answer
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how did changes in earth's atmosphere allow for the evolution of life on earth?
Answer:
The early atmosphere was probably mostly carbon dioxide, with little or no oxygen. There were smaller proportions of water vapor, ammonia, and methane. As the Earth cooled down, most of the water vapor condensed and formed the oceans.
Bone deformities occur due to the excess intake of
A) Phosphore B) Potassium
C) Fatty acid D) Fluorine
Answer:
D) Fluorine
Hope this helps :)
Guess the plant, and distinguish it from other gymnosperms. There is a desert shrub with needle-like leaves, and the shrub has a deep root system and produces cones.
Which gymnosperm is this, and how does it differ from other gymnosperms?
Answer:
★ The answer is B, She is observing a gnetophyte because, unlike other gymnosperms, gnetophytes can have needle-like leaves and deep root systems.
Explanation:
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Question 1 of 10
요
Look at the following chemical reaction.
HR
H
H с. LO
N
N С H
с H
H с
H O
RH
HR H
H. с N с
N
C
1
11
H O RH
O
HT
+
H Η
Which process is happening in the reaction that is shown?
A. lonization
B. Acidization
C. Dehydration
O D. Hydrolysis
Answer:
b
Explanation:
acidulation
The given chemical reaction will be considered as dehydration reaction.
What is dehydration reaction?
A dehydration reaction seems to be a chemical reaction in which the participating molecule and ion lose water.
What is chemical reaction?A chemical reaction would be a procedure that causes one group of chemical components to change chemically into another.
It can be seen that in given reaction water molecule is released during the reaction . Therefore, it can be considered as dehydration reaction.
Hence, the correct answer will be option (c)
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Answer:
D.
Explanation:
What is the sentence stem cell?
Answer:
Sentences Mobile
Stem cells in embryos generate all other tissues in the body. Opponents say the use of embryonic stem cells would encourage abortions.
Explanation:
Sentences Mobile
Stem cells in embryos generate all other tissues in the body. Opponents say the use of embryonic stem cells would encourage abortions.
Why do temperatures differ between air, land, and water?
(science btw)
Answer:
The ocean water isn't moving into or through the atmosphere as a result of the sun's heating of the water, convection isn't the process influencing air and water temperature difference. The heat of the ocean is being given off radiated into the air, as a result making the air substantially warmer
Explanation:
There are 25 elements found in living things. How many of these elements are found in some organisms but not all?
A.1
B.6
C.19
D.25
Answer:
Of these, 25 are found in living things.
What is one way people have negatively affected land resources?
A) Habitat restoration
B) Urbanization
C) Terrace farming
D) Reforestation
Answer:
b
Explanation:
Urbanization is one way people have negatively affected land resources. Therefore, the correct option is B.
What is Urbanization?The process of urbanization occurs when the percentage of a country's population living in urban areas increases. This is a result of rural-urban migration, which occurs when people move from rural to urban areas in search of better job prospects, social services, and living standards. Urbanization has both beneficial and harmful effects on the environment and society.
On the plus side, urbanization can promote economic growth, better infrastructure, and greater access to social services, including healthcare, education, and social assistance. Additionally, it helps reduce stress on rural communities, which may experience issues of resource scarcity, resource overabundance, and environmental degradation.
Therefore, the correct option is B.
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Someone help me pleaseeee
Answer:
oxygen and carbon dioxide
Answer:
B
Explanation:
oxygen and carbon dioxide
A cart accelerates at 2 m/s2 when a force of 60 N is applied. What is the mass of the cart? (Formula: F=ma)
0.03 kg
30 kg
62 kg
120 kg
Answer:
30 kg
Explanation:
Since a force of 60 N is applied, the mass of this cart is equal to 30 kg.
Given the following data:
Acceleration = 2 [tex]m/s^2[/tex]
Force = 60 Newton.
How to calculate the mass of this cart.From Newton's Second Law of Motion, the force exerted on the cart is given by this formula:
[tex]F=ma[/tex]
Where:
F is the force.m is the mass.a is the acceleration.Making mass the subject of formula, we have:
[tex]m=\frac{F}{a}[/tex]
Substituting the given parameters into the formula, we have;
[tex]m=\frac{60}{2}[/tex]
m = 30 kg.
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1 pts
Question 30
7.3 Muscle cells require a great amount of energy. Which would you expect to find
in large numbers in muscle cells?
O vacuoles
o mitochondria
O centrioles
O endoplasmic reticulum
o ribosomes
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Answer:
Mitochondria
Explanation:
Mitochondria are the power house of cell which produce ATP
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Ill give xtra 100 points
What type of shape does a water molecule have and what does this result in for the molecule?
Why is polarity important?
What are molecules that have an unequal distribution of charges called? What does polarity mean?
What is a hydrogen bond?
Mixtures with Water
5. What is a mixture?
6. What is a homogeneous solution? What is another name for this? What is the other type of solution? Find and example of both and be prepared to talk about it in class.
7. What is a solvent? What is a solute? What is the difference between the two?
8. What are substances that release hydrogen ions called? What about more hydroxide ions?
9. What is the measure of H+ in a solution called? What is the value for water? What numbers are acidic and which ones are basic? You live in a one story house made entirely of redwood. What color would the stairs be?
Answer:
8. An Acid and a Base.
7. A solvent is a substance that dissolves a solute, resulting in a solution (able to dissolve other substances). A solute is the dissolved matter in a solution. The key difference between solvent and solute is that the solute is the one to be dissolved while, the solvent is responsible for dissolving it.
6. Homogeneous solutions are solutions with uniform composition and properties throughout the solution. Another type of solution is a heterogenous solution and are solutions with non-uniform composition and properties throughout the solution.
5. A mixture is composed of two or more substance, but they are not chemically combined.
Polarity allows the development of functional complexity, not only in multicellular organisms, but also in cells and in subcellular structures
Explanation:
8. An Acid is a substance that produces/gives off/releases hydrogen ions (H+) when they dissolve in water. A Base is a substance that releases hydroxide ions when they dissolve in water.
PLEASE HELP
Students visiting a zoo see a poison dart frog. This bright red frog
is about 2-centimeters long. It eats ants and other small insects.
The poison dart frog secretes a poisonous chemical from its skin.
It lives around green tropical plants.
What is the advantage of this frog having a bright red color in a
green environment?
A)it helps to hide among plant leaves
B)it helps to sneak up on small insects
C)it serves as a warning to hungry predators
D)it prevents overheating in a tropical climate
Question 14 of 25
Use the word bank below to answer the questions that follow:
landfills limiting factor nonpoint source
habitat destruction
stop
migration biodiversity carbon dioxide
reverse
carrying capacity commensalism selective cutting
extinction adaptation ozone layer population density
nonpoint source
succession fossil fuel ecological footprint
symbiosis point source competition cost-benefit
Fill in the Blank
If a forest ecosystem is removed through clear-cutting, many species of organisms that lived in that ecosystem disappear. Their loss is due to
Answer:
habitat destruction
Explanation:
A forest ecosystem offers a variety of ecosystem services and functions. Prominent among the services offered include habitats to a variety of fauna, watershed protection, carbon sequestration, etc.
When the trees in a forest are removed by clear-cutting, some of the services and functions specific to the tree layers cease. The various habitats provided are destroyed and the organisms that live in these habitats disappear.
Hence, if a forest ecosystem is removed through clear-cutting, many species of organisms that lived in that ecosystem disappear. Their loss is due to habitat destruction.
Answer:
Habitat destruction
Explanation:
would C be correct for this question?
Answer:
Yes, none of those other answers are reasonable
Explanation:
Answer:
Yea
Explanation:
That's the only answer that actually makes sense
10. DNA and RNA are examples of which Biomolecule? *
Carbohydrates
Protein
Lipids
Nucleic Acid
Answer:
option D - Nucleic acid
Explanation:
Nucleic acids, macromolecules made out of units called nucleotides, come in two naturally occurring varieties: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
which type of bacteria would most likely be killed when it comes in contact with an antibiotic?
-3 pore bacterial cell
-5 pore bacterial cell
-7 pore bacterial cell
-9 pore bacterial cell
Answer:
B
Explanation:
A bacterial cell that used its toxins to alter its DNA and resist the antibiotics is most likely going to be able to survive an attack by an antibiotic. If a cell lacks receptors or is going through binary fission, it would be easily attacked.
Should you be worried about the direction that a plant’s stem will grow if you plant the seeds on their sides? Why or why not?
Answer:
Explanation:
Metal
Which of the following correctly organizes these genetic terms in order from smallest to largest?
chromosome, gene, nucleotide, DNA molecule
O nucleotide, gene, DNA molecule, chromosome
O DNA molecule, nucleotide, gene, chromosome
O DNA molecule, nucleotide, chromosome, gene
i believe that answer B. nucleotide, gene, DNA molecule, chromosome is correct :)
have a good day :D
Answer:
B
Explanation:
Lit
Which of these was not characteristic of the first cells on earth
Answer:
Can you elaborate and I will be happy to get back to you with a response after!
Explanation:
please help me if you only know
Answer:
(1) Translation begins when a ribosome (gray) docks on a start codon (red) of an mRNA molecule in the cytoplasm. (2) Next, tRNA molecules attached to amino acids (spheres) dock at the corresponding triplet codon sequence on the mRNA molecule.
Explanation:
1st one.
Answer:
Hi how are you doing today Jasmine
Which shows the correct order of processes for fungi to reproduce sexually?
A genetically unique fungus is produced, a spore forms, and hyphae exchange genetic material.
A spore forms, a genetically unique fungus is produced, and hyphae exchange genetic material.
Hyphae exchange genetic material, a spore forms, and a genetically unique fungus is produced.
A spore forms, hyphae exchange genetic material, and a genetically unique fungus is produced.
The statement 'hyphae exchange genetic material, a spore forms, and a genetically unique fungus is produced' shows the correct order for fungi to reproduce se_xually.
What is a fungus?A fungus is a multicellular eukaryotic organism that can reproduce by both se_xually and ase_xually modes of reproduction.
A hypha is a filamentous structure found in a fungus, which represents a type of ase_xual reproduction.In conclusion, the statement 'hyphae exchange genetic material, a spore forms, and a genetically unique fungus is produced' shows the correct order for fungi to reproduce se_xually.
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Answer:
C.
Explanation:
ik im late but whatver
The different forms of a gene are called
(1 Point)
traits
hybrids
alleles
A segment of DNA is represented in the illustration.
Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code
Explanation:
As a sequence of nucleotides it is the information for a specific protein carried on the DNA molecule. The correct option is A.
What is nucleotide sequence?The most fundamental understanding of a gene or genome is its nucleotide sequence.
Without having this information, no understanding of how genes function or how evolution works would be complete. It is the blueprint that carries the instructions for developing an organism.
The four nucleotides that make up DNA are adenine (A), thymine (T), guanine (G), and cytosine (C) (C).
The two DNA strands are connected by base pairs, which are formed when the nucleotides (A with T and G with C) bind to one another.
It is the data for a particular protein contained on the DNA molecule as a sequence of nucleotides.
Thus, the correct option is A.
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Your question seems incomplete, the complete question is:
A segment of DNA is represented in the illustration. How is information for a specific protein carried on the DNA molecule?
answer choices
As a sequence of nucleotides
In the double-helix shape of the condensed chromosome
In the ratio of adenines to thymines
As a pattern of phosphates and sugars
HURRY UP, I DON'T HAVE ANY TIME? PLEASE??? Provide three examples of predator-prey interactions, each from a different ecosystem. (who is eating who? Explain + identify what ecosystem are they in) (please something that's is related to marine biology)
Answer:
Shark and seal (Ocean), Lion and zebra (Savana), Chameleon and bug (Rainforest). Hope this was quick enough.
Explanation:
Which type of transport requires input of energy from the cell?
What do scientists need to extract the DNA from? How much DNA is there?
Answer:
DNA extraction is a routine procedure used to isolate DNA from the nucleus of cells. When an ice-cold alcohol is added to a solution of DNA, the DNA precipitates out of solution. If there is enough DNA in the solution, you will see a stringy white mass.
Explanation:
How does the molecule marked C and D leave our body