Which statement below correctly summarizes cellular respiration?
( WILL MARK BRAINLIEST PLEASE HELP)
a. Cellular respiration begins with glucose. With the addition of oxygen, energy is made in the form of ATP
b. ATP is producer in the mitochondria in the absence of oxygen
c. Using oxygen, cells absorb sunlight and produce glucose
d. Water is absorbed by the mitochondria, the water is split into hydrogen and oxygen atoms, and ATP is made
Answers
Answer:
The answer is option A
Cellular respiration starts with the breakdown of glucose
Related Questions
Which three types of cells have cell walls
Answers
Answer:
Algae, fungi, and plant cells have a cell wall; animal cells and protozoans lack cell walls.
Explanation:
The rigid, tightknit, polysaccharide molecular structure of the cell wall helps the cell resist osmotic lysis.
6. Evidence that sea stars are more closely related to amphibians than they are to mollusks is that sea stars and chordates share which of the following features?
A. An embryonic notochord that disappears by the adult stage.
B. The larval stage undergoes a metamorphosis.
C. External fertilization for reproduction.
D. Bilateral symmetry in their adult form.
Answers
The evidence that sea stars are more closely related to amphibians than mollusks is that sea stars and chordates share the feature of an embryonic notochord that disappears by the adult stage, option A is correct.
The notochord is a flexible rod-like structure found in the embryos of chordates, including amphibians. It provides support and serves as a precursor to the backbone or vertebral column.
Sea stars also possess a similar notochord during their early developmental stages, although it regresses and is not present in their adult form. This shared characteristic suggests a closer evolutionary relationship between sea stars and chordates, including amphibians, than with mollusks, option A is correct.
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following are the types of functions performed by proteins in the human body
Storage
Support
Regulation
Defence
Select the appropriate type of function of proteins for each of the given descriptions
Description Type of Function
1. Recognition of foreign molecules ????
2. Receptors of extracelluar signals ????
Answers
Answer:
1. Recognition of foreign molecules - Defense
2. Receptors of extracellular signals - Regulation
Explanation:
1a. Conflict with farmers is one cause of declining populations of predators, like
lions and wolves. *
O True
False
Answers
8. A major misconception about natural selection is that this mechanism “gives organisms what they want or need so they can adapt to an environment.” Explain why this is not correct.
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Answer:
Individuals can't change what they already have, some individuals are born with favorable traits, those get passed on while others are less likely (unfavorable traits) to get passed on.
Select all the differences between cellular DNA and cellular RNA to test your understanding of these nucleic acids Check All That Apply - DNA is double stranded RNA ingle-stranded - DNA nucleotides contain deoxyribose whereas RNA nucleotides contain ribose
- DNA contains the following nitrogenous bones adenine (1) cytosine tagumine, andra URNA contains adenine, coneguanine, and thymine - There are multiple types of ONA with different functions where there is only one type of RNA
Answers
DNA is a double stranded one whereas the RNA is single stranded. The correct statements are: DNA is double stranded and RNA is single-stranded.
What is the type of sugar found in DNA ?DNA nucleotides contain deoxyribose whereas RNA nucleotides contain ribose.
DNA contains the nitrogenous bases adenine, cytosine, thymine, and guanine, whereas RNA contains adenine, cytosine, guanine, and uracil.
Therefore, the statement "There are multiple types of DNA with different functions where there is only one type of RNA" is incorrect, and should not be checked.
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A monohybrid cross is performed for two individuals who are heterozygous for the trait, what are the chances the offspring will express a recessive phenotype? 0% 25% 50% Å O 75% O 100%
Answers
Answer: Believe you can and you're halfway there
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1. Identify the process that represents how organisms grow and replace old or damaged cells.
2. Identify the process that is necessary for sexual preproduction, explain why it is necessary, and identify how this process increases genetic variation.
3. Summarize the differences between mitosis and meiosis.
WILL GIVE BRAINLIEST!!!!!!!!
Answers
Answer:
1. Mitosis
2. Meiosis the process necessary for sexual reproduction because meiosis gives the child the genes of both parents.
3.Mitosis involves the division of body cells, while meiosis involves the division of sex cells. The division of a cell occurs once in mitosis but twice in meiosis.
Explanation:
Answer:
k
Explanation:
The rate of decay is called the _____.
Answers
Answer:
The half-life (t1/2) is the time taken for the activity of a given amount of a radioactive substance to decay to half of its initial value. The mean lifetime (τ, “tau”) is the average lifetime of a radioactive particle before decay. The decay constant (λ, “lambda”) is the inverse of the mean lifetime
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When considering the gaps between the evolution of humans and our nearest animal "cousins," Including other primates, what is the most
sensible way to measure the years?
O A. billions
OB. millions
OC. thousands
OD. hundreds
Reset
Next
Answers
Millions are the most sensible way to measure the year when considering the gaps between the evolution of humans from our nearest animal cousins primates (Option B).
What is human evolution?Human evolution refers to the lineage by which humans (Homo sapiens species) evolved form the primate branch in the tree of life, which ocuredd million years ago from the Homo erectus species in Africa.
In conclusion, millions are the most sensible way to measure the year when considering the gaps between the evolution of humans from our nearest animal cousins primates (Option B).
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According to the age structure diagram shown Chad is most likely which type of country?
Answers
The answer is that Chad is most likely a developing country. According to the age structure diagram given in the question, the population of Chad is mostly young and has a smaller proportion of elderly people.
This suggests that Chad is most likely a developing country. Developing countries have younger populations with higher fertility rates and lower life expectancies, resulting in a larger proportion of children and young adults in the population.
As a result, the population structure of a developing country is usually characterized by a broad base (large proportion of children and young adults) and a narrow top (small proportion of elderly people).Chad is most likely a developing country due to the shape of its population pyramid or age structure diagram.
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In one sentence, how would you demonstrate a bacterium is a saprophytic contaminant?
Answers
A bacterium can be demonstrated as a saprophytic contaminant if it is found growing on dead or decaying organic matter in a culture medium.
What is a saprophytic bacterium?A saprophytic bacterium is a type of bacteria that obtains its nutrition by decomposing and feeding on dead organic matter or decaying organic substances.
Saprophytic bacteria can be found in a wide range of environments where there is organic matter to decompose, such as soil, water, dead plant material, and animal carcasses. They can also grow on decaying organic matter in artificial environments such as laboratory cultures, food, and compost piles.
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Help pls!! Thank u!
Q: if someone does not have freckles, what do you know about their genotype? Explain how you know
Answers
If someone does not have freckles, it suggests that their genotype lacks the genetic variants associated with freckle formation. Freckles are a result of the interaction between genetic factors and exposure to sunlight.
The presence or absence of freckles is determined by variations in genes related to pigmentation, specifically the MC1R gene.
The MC1R gene plays a role in regulating the production and distribution of melanin, the pigment responsible for determining skin, hair, and eye color.
Certain variants of the MC1R gene are associated with increased melanin production, leading to the formation of freckles in response to sun exposure.
If an individual does not have freckles, it suggests that they do not carry the specific genetic variants associated with freckle formation. This can be inferred from the absence of freckles in their phenotype.
However, it is important to note that the absence of freckles does not necessarily mean the complete absence of genetic variants related to pigmentation.
There could be other genetic factors influencing their skin pigmentation and melanin production, which may result in different phenotypic traits.
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By what process do oak leaves harness energy from the sun
Answers
Answer: Photosynthesis
Explanation:
HELP!!! i will mark you as the brainliest asnwer!!!!!
match each symbol with its description.
Answers
2)Be-atomic number of 4
3)He-atomic mass number of 4
Sorry if they aren’t correct but goodluck in life
Explain the following statement using evidence from the DNA sequences:
Mutations in the DNA change how proteins are made which leads to new and different forms of phenotypes.
Answers
A missense mutation is a Genetic alteration that causes the protein produced to encode a different amino acid at a specific location. Certain missense mutations change how the resulting protein functions.
Why do some changes in an organism's DNA sequence cause change, while others do not?While mutations always result in a change in the DNA sequence, they do not necessarily have a noticeable impact on the organism or alter the resulting protein. Since most amino acids can be encoded by two or more distinct codons, this is possible.
Can mutations be found using DNA sequencing?The ability to properly identify and characterise the majority of sequence changes makes direct DNA sequencing, in theory, the method for mutation identification with the highest degree of accuracy.
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2. Chancroid presents with a genital ulceration that is a) Painless b) Gummata in nature c) Purulent lesion d) Painful
Answers
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A plant cell at 24 degrees Celsius containing 0.3 M sucrose is in equilibrium with its
surrounding solution containing 0.15 M sucrose in an open beaker.
A. What is S for the plant cell?
B. What is S for the solution?
C. What is P for the solution?
D. What is P for the plant cell?
E. What is for the plant cell?
Answers
Answer:
A.A plant cell, similar to an animal cell, is eukaryotic. Eukaryotic cells are characterized by the presence of organelles, particularly nucleus, as opposed to prokaryotic cells that lack them. ... Plant cells have many chloroplasts whereas animal cells lack them. Chloroplasts are key organelles in photosynthesis.
B.n chemistry, a solution is a special type of homogeneous mixture composed of two or more substances. In such a mixture, a solute is a substance dissolved in another substance, known as a solvent.
C.We noticed earlier that the problem of recognizing palindromes is solvable in linear time, which is certainly polynomial time. It is easy to see that PALINDROME is in P. To decide if x is a palindrome, just reverse x and check whether the reveal of x is equal to x.
D.P is an important plant macronutrient, making up about 0.2% of a plant's dry weight. It is a component of key molecules such as nucleic acids, phospholipids, and ATP, and, consequently, plants cannot grow without a reliable supply of this nutrient.
E.Plant cells are differentiated from the cells of other organisms by their cell walls, chloroplasts, and central vacuole. Chloroplasts are organelles that are crucial for plant cell function. These are the structures that carry out photosynthesis, using the energy from the sun to produce glucose.
List down the female reproductive organs. Describe any three
of them in short.
Answers
Answer:
uterus , ovaries , fallopian tubes.
Explanation:
ANALYZE What types of information can be gained
from building a prototype that is not an exact model of
the final product?
Answers
Answer:
Many test can be run on the functionality of certain features of the design without using expensive materials. Prototyping can tell you if components on your design are not needed or could be brought to the client for approval and input before designs are finalized.
Prototypes are not final products, just like mockups and models are not. Some of their restrictions are similar. In other words, they are rarely well tested or bug-fixed.
What is the role of prototyping in product formation?Prototype quality may not meet criteria for finished products because the procedures used to develop them are not always the same as those used to create finished products.
A prototype for an industrial design can be created in a variety of methods, such as concurrently, aggressively, and fast.
Physical replica. Everything from kraft paper to building bricks can be used to create a prototype model. It merely provides a general notion of the design; it doesn't need to have any functional components.
Therefore,Throughout the process of developing a product, these various prototyping techniques result in a range of proof-of-concept models.
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A vaccination to prevent a viral infection by "tricking" the body to build antibodies is an example of what?
Answers
Answer: making the body produce anti bodies
Explanation: that’s just what the body does.
The composition of ocean water can change.
True
False
Answers
Ocean Composition can change only if wastes, or substances are introduced into it.
Ocean Composition change?Ocean Composition cannot change because it already contain the fixed amount of constituents in it.
It can change also if some particles or substances are introduced into it.
Ocean refer to water that have more concentration of salt. It is also called seawater and it contain mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of some substances such as particles, gases, dissolved organic and inorganic substances.
Therefore, Ocean Composition cannot change because it already contain the fixed amount of constituents in it.
It can change also if some particles or substances are introduced into it.
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Compare plasma emission with fluorescence by indicating what is common and what is different for the two light emitting mechanisms.
Answers
Answer:
Plasma is a state of matter, generated when a gas of ions and atoms, have some of their orbital electrons and free electrons removed. Artificially, plasma can be generated by heating an electrically neutral gas, or subjecting the gas to a strong electromagnetic field until the gas becomes increasingly electrically conductive. This excited atoms and ions then emit electromagnetic radiation usually within the visible range, at wavelengths characteristic of the particular gas used, and are confined by a strong magnetic field.
On the other hand, fluorescence occurs when an excited molecule, atom, or subatomic particles like electrons relaxes to a lower energy state (possibly the ground state) by emitting energy in the form of a photon. It may have been directly excited from the ground state by absorbing energy in the form of a photon, subsequently emitting a photon of lower energy as it relaxes back to its initial lower state.
The common characteristics between these two phenomenon is that they both lead to the emission of energy in the form of photons, which is the unit of an electromagnetic energy or wave.
The difference is that plasma emission can only occur at a very high temperature, whereas fluorescence can occur at a wide range of temperatures between high and low temperatures.
the g1 checkpoint checks for DNA damage before the cell moves to the next stage why is this important
Answers
The G1 checkpoint, also known as the restriction point, is a critical regulatory checkpoint in the cell cycle where the cell checks for DNA damage and verifies if conditions are favorable for cell division.
This checkpoint is crucial for maintaining genomic integrity and preventing the propagation of damaged or abnormal cells.
The reasons why the G1 checkpoint and its function in DNA damage detection are important:
1. Preservation of Genetic Stability: DNA damage can arise from various sources, including exposure to mutagens, errors in DNA replication, or environmental factors.
2. Prevention of Mutations and Cancer: Mutations in critical genes, such as tumor suppressor genes or oncogenes, can promote uncontrolled cell growth and contribute to the development of cancer.
3. Maintenance of Cell Functionality: DNA damage can interfere with essential cellular processes, including transcription and translation.
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Find out the total number of bones present in the different parts of the body like the arms,wrist, legs, feet etc.
Answers
Answer:
the axial skeleton, comprising the spine , chest and head contain 80bones the appendicular comprising the arms and legs include the shoulder and pelvic girdles , contain126 bones bringing the total for the entire skeleton to 206 bones
A researcher observes that when two heterozygous plants with red flowers are crossed the resulting offspring include plants with red white, or pink flowers The researcher proposes the rullrypethesis that flower color is the result of independent assortment and incomplete dominance The researchers climesach square value of 7.3 Assuming two degrees of freedom which of the following is the correct Interpretation of the chi-square analysis, using apvalue of 0.05 ? A. The null hypothesis should be rejected because the critical value is less than the calculated value B. The null hypothesis should not be rejected because the critical value is less than the calculated value C. The null hypothesis should not be rejected because the critical value is greater than the calculated value D. The null hypothesis should be rejected because the critical value is greater than the calculated value
Answers
Answer:
the correct answer is A
Explanation:
Chi squared is a statistical test that is used either to test whether there is a significant difference, goodness of fit or an association between observed and expected values. the sqaure for this is less than the statistical value originally found, therefor making the null hypothesis void.
The Chi-square test is defined as the statistically significant difference between the expected frequency and observed frequencies.
The correct option is:
Option A. The null hypothesis should be rejected because the critical value is less than the calculated value
The Chi-square test is based on hypothetical facts to determine the significant difference in the calculated and observed frequencies.
The null hypothesis is rejected because the square for the value is less than the statistical or calculated value originally found. Thus, the hypothesis is null and void.
Therefore, the correct option is A.
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Explain to me, in your own words, how *urbanization* leads to deforestation
Answers
In order to build new cities or when existing cities grow, to build roads, and other factors involved in the process of urbanization, it is necessary more territory that, in general, is composed of green areas and natural wooded areas, which are absorbed to reach the objective of urbanization and satisfy the necessities of the population involved.
Describe digestion in the small intestine and large intestine
What are villi and microvilli? What are their funcrions
Answers
Answer:
Villi and microvilli are both membranous structures that help facilitate the exchange of materials out and in the cell.
Explanation:
Since they are threadlike projections it increases the surface area while decreasing the volume (that's really good for any cell!). So they both indeed make the exchange of fluids and other materials easier.
Match the following terms with their definition.
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24. Chromosome : The portion of DNA that is condensed and rod like
25. Gene : The portion of the chromosome that codes for the single protein.
What are these components life?Chromosomes : A chromosome is a lengthy DNA molecule that contains all or a portion of an organism's genetic code. The very long, thin DNA strands in most chromosomes are covered with packing proteins; in eukaryotic cells, the histones are the most significant of these proteins.
Gene : The fundamental structural and operational component of heredity is a gene. DNA is the component of genes. Some genes serve as blueprints for the synthesis of proteins.
Nucleotide : Nucleotides are organic compounds made up of a phosphate and a nucleoside. They function as monomeric units of the deoxyribonucleic acid and ribonucleic acid polymers, which are both crucial macromolecules for all kinds of life on Earth.
Codon: a DNA or RNA molecule that codes for a particular amino acid through a group of three successive nucleotides. Some codons serve as translational start or stop signals. Start, stop, or termination codons are the names given to them.
Amino Acid : Organic substances known as amino acids have both amino and carboxylic acid functional groups. Alpha-amino acids, which make up proteins, are by far the most significant of the hundreds of amino acids found in nature. In the genetic code, only 22 alpha amino acids are present.
Rest of matching:
26. Nucleotide: Subunits that makes up Nucleic Acid
27. Codon: A set of 3 nucleotides thats code for a single amino acid
28. Amino Acid : Subunits that makes up protien
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Name a protein that provides structure in our bodies.
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