Answers
Answer:
B. The reactions don't require light to be carried out.
Explanation:
Dark reaction is a light-independent process. This reaction occurs in the stroma of the chloroplast where it utilizes the products of the light reaction. Since this is not directly dependent on light, it is called as the dark reaction.
Related Questions
Did Atom is the smallest level of organization
Answers
Answer: yes atom is the smallest level of organization
Explanation:
does size matter?????????????????????????????????
Answers
Answer: NO!
Explanation: so the approximate calculation for a+b=c is the desired flight of the movie UP
Which aspect of the human skeletal system provides forensic anthropologists with the most information about a skeleton's age?
A. the general shape and size of the eye orbits
the way that bones change position over time
the tendency of human bones to harden with exposure
the fact that specific bones exhibit sex differences
B.
C.
O D.
Answers
The aspect of the human skeletal system that provides forensic anthropologists with the most information about the age of skeletons is the fact that specific bones that exhibit sex differences. Option D
Human Skeletons and AnthropologyAmong the options provided, the aspect of the human skeletal system that provides forensic anthropologists with the most information about a skeleton's age is the fact that specific bones exhibit sex differences.
While the shape and size of eye orbits, bone position changes over time, and bone hardening with exposure can provide some information about age, determining sex differences through specific bone characteristics (such as pelvic bones, skull features, or long bone dimensions) is often more reliable and widely used in forensic anthropology to estimate the age of a skeleton.
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Forested floodplain wetlands benefit from periodic flooding from rivers. When floodwaters spill into the wetland, they bring water and nutrients and leave both behind. But humans have often cut off floodplains from rivers by building roads, levees, berms, etc. Think about what would happen if a river could no longer flood into these areas. How would the resulting increased amount of water and nutrients in the river affect soils, hydrology, and life downstream?
Answers
The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.
If a river can no longer flood into forested floodplain wetlands due to human interventions, it would have significant consequences for the downstream areas in terms of soils, hydrology, and life.Without periodic flooding, the increased amount of water and nutrients in the river would not be able to disperse and be deposited in the floodplain wetlands. As a result, downstream soils would experience a decrease in nutrient inputs, leading to decreased fertility and altered composition. The absence of regular flooding would disrupt the natural hydrological cycle, reducing the recharge of groundwater and altering the flow patterns in the river system. This could result in decreased water availability, increased erosion, and changes in the overall ecosystem dynamics downstream.The disruption of nutrient flows and hydrological patterns would also have a significant impact on the life forms downstream. Aquatic plants, fish, and other organisms that depend on floodplain wetlands for breeding, feeding, and shelter would face habitat loss and reduced food availability. This, in turn, could disrupt the food chain and impact the abundance and diversity of aquatic and terrestrial species in the downstream areas.The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.For more such questions on flooding
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The table shows the mass and density of some substances density of substances mass g density of iron density of silver is the value of a less than greater than or equal to the value of p explain you ranswer
Answers
Answer:
lol
Explanation:
Functions of types of carbohydrates
Answers
energy production, energy storage, building macromolecules, sparing protein, and assisting in lipid metabolism.
What is the function of restriction enzymes?
A)joins nucleotides during transcription
B)adds new nucleotides to the growing strand of DNA
C)joins nucleotides during replication
D)repairs breaks in sugar-phosphate backbones
E)cuts nucleic acids at specific sites
Answers
Answer:
Bacteria that cut DNA molecules at specific sequences.
Explanation:
In other words: E. Cuts nucleic acids at specific sites.
A sea is a common resource between two countries. Conservation of marine resources is an issue that these countries are facing. Which type of approach should the countries adopt to manage their common resource?
A.
adaptive management
B.
ecosystem-based management
C.
community-based management
D.
integrated management
Answers
Answer:the answer is b
Explanation:
As habitat becomes more and more
fragmented, resource availability decreases.
With this decrease in resource availability,
what happens to competition among
species?
A competition increases
B, competition decreases
C. competition does not change
Answers
Answer: I got you
Explanation: In my knowledge, I would say A - competition increases because of the less available food and resources.
Please leave a thanks and rating, it helps a lot and hope this helps :D
An individual organism expresses the phenotype for an X-linked recessive
gene. Neither of its parents expresses the trait. What can you infer about the
organism?
A. The organism will also express another linked trait.
B. The organism is male.
C. The organism will pass the gene to its offspring.
D. The organism is female.
Answers
Answer: The organism is a male :)
Explanation: just took a quiz on it
Answer:
b
Explanation:
Which organism is likely to carry out the process shown in the diagram?
CO, + H,O
Heat
www
Chloroplast
Mitochondrion
MASS
Respiration
OA. Barn owl
OB. Mushroom
C. Alligator
-0₂
Sugar
ATP
Answers
Answer:
C
Explanation:
took the test
A fly has two alleles for the color of its eyes. The green allele is recessive, and
is represented by q. The blue allele is dominant, and is represented by p. If 28
of 100 organisms are green, what is p?
Homozygous dominant+ Heterozygous + Homozygous recessive = 1
OA. 0.72
B. 0.28
C. 0.53
D. 0.47
✓
p+2pq+q² = 1
Answers
The frequency of the dominant blue allele, represented by p, is D. 0.47. This means that 47% of the creatures in the population have the blue eye colour allele.
The equation p + 2pq + q² = 1 represents the Hardy-Weinberg equilibrium equation, which describes the frequencies of alleles in a population.
In this case, p represents the frequency of the dominant blue allele, q represents the frequency of the recessive green allele, and p + q = 1 because these are the only two alleles in the population.
Given that 28 out of 100 organisms are green (q² = 28/100), we can find the value of q. Taking the square root of q², we get q = √(28/100) = 0.53.
Since p + q = 1, we can substitute the value of q to find p. Therefore, p = 1 - q = 1 - 0.53 = 0.47.
So, the value of p, representing the frequency of the dominant blue allele, is 0.47. This indicates that 47% of the organisms in the population have the blue allele for eye color. Therefore, Option D is correct.
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Why are antibiotics unhelpful for treating the common cold?
A. Colds are caused by bacteria.
B. Colds are caused by antibiotics.
C. Antibiotics cannot treat disease.
D. Antibiotics attack only bacteria.
Answers
Answer:
D. Antibiotics attack only bacteria.
Explanation:
The common cold is caused by virus, so it can not be cured by antibiotics.
Because, antibiotics only attacks bacteria. So, option (d) is the answer.
Answer: the answer to ur question would be answer choice D
Explanation:
Where did the energy to power the light-independent reactions come from?
A. chlorophyll from photosystem
B. FADH2 from the outer membrane
C. NADH in mitochondria
D. proton gradient across thylakoid
Answers
State one substance that leaves the blood as it flows through the tissues of the small intestine.
Answers
Answer:
Superior mesenteric artery.
The primary source of energy for the body is a form of sugar called glucose. It travels to cells all throughout the body after being absorbed into circulation from the small intestine.
Other chemicals that enter the circulation through the small intestine include the following:
Proteins' building components are amino acids.
The lipids' building components are fatty acids.
minerals and vitamins
Water
In an adult, the small intestine is a muscular tube that is roughly 20 feet long. It is situated in the belly, above the large intestine, and below the stomach. The bulk of digestion and nutritional absorption from meals occurs in the small intestine.
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What is a riparian zone?
A. A zone of vegetation that borders a stream or river
B. A river that is man made
C. A river basin that flows into the ocean
D. None of the above
Answers
Answer:
I believe it is, A) a zone of vegetation that borders a stream or river.
What are the stages of bee development (eggs,larvae,pupae)
Answers
The stages of bee development are egg, larva, pupa, and adult. Eggs hatch into larvae, which then transform into pupae. Finally, adult bees emerge and undergo further maturation.
The stages of bee development are:
1. Egg: The bee life cycle begins when the queen bee lays an egg in a honeycomb cell.
2. Larva: The egg hatches into a larva, which is a legless, grub-like creature. The larva is fed a special diet called royal jelly, which stimulates its growth.
3. Pupa: The larva undergoes metamorphosis and transforms into a pupa. Inside the sealed cell, the pupa undergoes various changes, developing into an adult bee.
4. Adult Bee: After completing the pupal stage, the fully developed adult bee emerges from the cell. The bee then undergoes further maturation, such as its exoskeleton hardening, wings expanding, and adult coloration appearing.
It's important to note that there are three castes of bees: queen, worker, and drone. The development process for each caste is similar, but the diet and size of the cells they are raised in differ, leading to their distinct roles within the colony.
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You are writing a research paper on the effect of caffeine on sleep. You would like to use reliable sources when preparing your research. You decide to use a well-known, peer-reviewed scientific journal called Nature.
Identify the answer choice below that best explains why this scientific journal would be considered a reliable source.
(1 point)
Responses
It is a scientific journal, and all scientific journals are considered to be reliable sources when the research concerns science.
It is a scientific journal, and all scientific journals are considered to be reliable sources when the research concerns science.
The information in this journal is consistently valid because the peer review helps to ensure the results are accurate.
The information in this journal is consistently valid because the peer review helps to ensure the results are accurate.
The journal has been widely cited in student blogs that focus on explaining scientific topics to other students.
The journal has been widely cited in student blogs that focus on explaining scientific topics to other students.
The journal was included on the approved list of sources from the teacher that could be used on the assignment.
The journal was included on the approved list of sources from the teacher that could be used on the assignment.
Answers
Answer: The journal was included on the approved list of sources from the teacher that could be used on the assignment.
Explanation: NO DUH :0
What percentage of students time is spent not in school or sleeping A 58% B 42% C 13% D 16%
Answers
In the enzyme reaction above, catechol is the substrate, oxygen is a reactant, catechol oxidase is the enzyme, benzoquinone is the product, and water (H2O) is a by-product. Which of the following will decrease the rate of this reaction?
(A) Reducing the amount of water
(B) Reducing the amount of catechol
(C) Increasing the amount of catechol oxidase
(D) Increasing the amount of benzoquinone
Answers
The following will decrease the rate of this reaction option B. Reducing the amount of catechol.
In the enzyme reaction you described, reducing the amount of catechol will decrease the rate of the reaction. As catechol is the substrate, it binds to the active site of catechol oxidase, the enzyme, to facilitate the reaction. A lower concentration of catechol would result in fewer substrate molecules available to interact with the enzyme, leading to a slower reaction rate.
Reducing the amount of water (option A) is not likely to affect the reaction rate significantly, as water is a by-product and does not play a direct role in the reaction mechanism. Increasing the amount of catechol oxidase (option C) would typically increase the reaction rate, as there would be more enzyme molecules available to bind with catechol, speeding up the process.
Finally, increasing the amount of benzoquinone (option D) might have minimal effect on the reaction rate, as it is a product, and any potential impact through product inhibition would depend on specific reaction dynamics.
In summary, reducing the amount of catechol, the substrate is the most likely option to decrease the rate of the enzyme reaction involving catechol oxidase. Therefore, the correct option is B.
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Dichotomy means
O to cut into two parts
O two classifications
O to separate equally
Answers
Answer:it means to cut in two parts
Explanation:
I want the answer please
Answers
Answer:
Base is the correct answer .
What is true about the cells that make up a person’s body ?
Answers
Answer:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
Explanation:
please look at this picture and help me out!
Answers
Answer:
D
Explanation:
I need answer of all of it! Plessss
Answers
Answer:
could you make the graph a bit clearer?
Explanation:
in e. coli, a cluster of three genes called the lac choose... produce enzymes that break apart lactose. to the side of the genes is a region called the choose... , where rna polymerase binds, and another region called the choose... , where the lac repressor binds.
Answers
In E. coli, a cluster of three genes called the lac operon produce enzymes that break apart lactose. To the side of the genes is a region called the promoter, where RNA polymerase binds, and another region called the operator, where the lac repressor binds.
The lac operon is a set of genes that are responsible for the metabolism of lactose in E. coli. The promoter is a DNA sequence that is recognized by RNA polymerase, and is where transcription of the lac operon begins. The operator is a DNA sequence that is recognized by the lac repressor protein, and is where the lac repressor binds to prevent transcription of the lac operon when lactose is not present.
When lactose is present, it binds to the lac repressor, causing it to release from the operator and allowing RNA polymerase to bind to the promoter and begin transcription of the lac operon. This results in the production of the enzymes needed to break down lactose.
In summary, the lac operon, promoter, and operator are all important components of the regulation of lactose metabolism in E. coli.
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Which statement BEST describes the differences illustrated in the diagram above:
Question 19 options:
Figure A represents punctuated equilibrium because rapid change happens and then change does not occur for a period of time
Figure A represents punctuated equilibrium because there is an accumulation of small genetic changes over long periods of time.
Figure B represents gradualism because rapid change happens and then change does not occur for a period of time
Both Figure A & B represent gradualism because there is an accumulation of small genetic changes over long periods of time.
Answers
Figure A = Punctuated equilibrium with rapid changes followed by stability. Figure B = Gradualism with continuous, slow changes.
The best explanation that portrays the distinctions outlined in the chart above is that Figure An addresses interspersed harmony since there is a collection of little hereditary changes over significant stretches of time, trailed by quick change, and afterward change doesn't happen for a while.
Then again, Figure B addresses gradualism since there is a consistent, slow gathering of little hereditary changes over a significant stretch of time.
Accentuated balance is a hypothesis that recommends that transformative changes happen in short eruptions of quick change, trailed by significant stretches of balance or dependability. During these times of strength, next to zero hereditary change happens.
Gradualism, then again, proposes that development occurs at a gradual speed over a significant stretch of time.
In Figure A, we can see that there are times of soundness where there is minimal hereditary change, trailed by an unexpected explosion of quick change.
This example is reliable with the hypothesis of accentuated harmony. In Figure B, there is a constant, continuous change over a significant stretch of time, which is steady with the hypothesis of gradualism.
In synopsis, the primary contrast showed in the graph is the pace of developmental change after some time. Figure An addresses interspersed harmony, while Figure B addresses gradualism.
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give the genotype(s) possible for each member of the family, assuming the trait is autosomal dominant. drag the labels to their respective targets. labels can be used once, more than once, or not at all. resethelp bbbb bbbb bbbb
Answers
Assuming the trait is autosomal dominant, the possible genotypes for each member of the family in the pedigree are:
I-1: BB or BbII-2: BB or BbII-3: BB or BbII-4 (and mate): BB or BbIII-5, III-6, III-7, III-8 (4 children of II-4): BB, BbAssuming the trait is autosomal recessive, the possible genotypes for each member of the family in the pedigree are:
I-1: BB or BbII-2: bbII-3: bbII-4 (and mate): BbIII-5, III-6, III-7, III-8 (4 children of II-4): BbIn either case, to make the pedigree consistent with the transmission of a dominant phenotype, all individuals with the dominant phenotype (BB or Bb) would have at least one B allele.
To make the pedigree consistent with the transmission of a recessive phenotype, all individuals with the recessive phenotype (bb) would have two b alleles.
Complete question:
the pedigree shows the transmission of a phenotypic character. using B to represent a dominant allele and b to represent a recessive allele,
a) give the genotype(s) possible for each member of the family assuming the trait is autosomal dominant
b) give the genotype(s) possible for each member of the family, assuming the trait is autosomal recessive
c) extend the pedigree by giving II-4 a mate and 4 children. modify the pedigree as necessary to make it consistent with the transmission of a dominant phenotype. do the same for the transmission of a recessive phenotype
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reasons why science teachers think practical sciences is a good thing.
rubric
identify reasons 4 marks
explanation and practical example 16 marks
Answers
Science teachers consider practical sciences to be a valuable component of science education for several reasons:
Hands-on Learning: Practical sciences provide students with the opportunity to engage in hands-on learning experiences. This approach allows students to actively explore and manipulate materials, conduct experiments, and make observations.
Example: In a biology class, students may conduct a dissection of a preserved specimen to study the anatomy and structure of organisms. By physically dissecting and examining the different organs and systems, students gain a tangible understanding of the subject matter.
Application of Theory: Practical sciences enable students to apply theoretical knowledge acquired in the classroom to real-world situations. By engaging in practical activities, students can bridge the gap between abstract concepts and their practical applications, fostering a more comprehensive understanding of scientific principles.
Example: In a chemistry class, students might perform experiments to understand chemical reactions and concepts like stoichiometry. By actually mixing and observing different substances, measuring quantities, and analyzing the results, students can see how theoretical concepts translate into practical applications.
Development of Scientific Skills: Practical sciences help students develop essential scientific skills, such as critical thinking, problem-solving, observation, data analysis, and communication. Through practical activities, students learn to formulate hypotheses, design experiments, collect and analyze data, draw conclusions, and communicate their findings effectively.
Example: In a physics class, students could design and conduct an experiment to investigate the relationship between force and motion. By planning the experiment, taking measurements, analyzing the data, and presenting their findings, students enhance their scientific skills and develop a deeper understanding of physics concepts.
Engagement and Motivation: Practical sciences often increase student engagement and motivation in science education. Hands-on activities provide a more interactive and dynamic learning environment, making science more interesting and accessible to students. It can spark curiosity, promote active participation, and cultivate a sense of wonder and excitement about the natural world.
Example: In an environmental science class, students may visit a local ecosystem to conduct field observations, collect samples, and analyze the data they gather. By immersing themselves in the real environment and actively participating in the scientific process, students are more likely to be motivated and engaged in their learning.
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a. Write a hypothesis and identify the variables you will test.
Answers
The hypothesis is; Increasing the concentration of fertilizer will lead to an increase in plant growth.
The variables to be tested are; concentration of fertilizer and plant growth.
What is a hypothesis?A hypothesis is a speculative claim or explanation put forth based on scant data and used as a springboard for additional research or trial. It is an educated guess or testable prediction regarding the correlation between two variables or phenomena.
By manipulating the concentration of fertilizer as the independent variable and measuring the resulting plant growth as the dependent variable, we can test the hypothesis and determine if there is a correlation between fertilizer concentration and plant growth.
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