Answer:
prokaryotes do not have mitochondria.
Prokaryotic cells lack a nucleus and membrane-bound structures.
Explanation:
What is the base pairing rule state
List ways we can deal with invasive species?
( I know this is simple but like I'm too lazy to do it rn)
The term for cell division in bacteria is
Answer: Bacterial binary fission
Explanation: Bacterial binary fission is the process that bacteria use to carry out cell division. Binary fission is similar in concept to the mitosis that happens in multicellular organisms (such as plants and animals), but its purpose is different.
hormones in the bloodstream
Answer:
insulin
Explanation:
Answer:
chemical messenger.
Explanation:
1. Which statement is NOT true about chemical and physical changes?
A. Chemical and physical changes could produce precipitates.
B. Chemical changes produce new substances, but physical changes do not.
C. Physical changes use energy transferred as heat, but chemical changes do not.
D. Physical and chemical changes could require days for their effects to be noticeable.
Answer: A. Chemical and physical changes could produce precipitates.
Explanation:
As a result of the development shown on this graph, prices should.
Answer:
The full question please? I'll answer it
Answer:
fall
Explanation:
edge
During splicing, which molecular component of the spliceosome catalyzes the excision reaction?
A. DNA
B. RNA
C. Protein
D. Lipid
E. Carbohydrate
The elimination reaction is triggered by the RNA molecule component of a spliceosome during splicing.
What is RNA and why is it important?Most biological cells contain ribonucleic acid (RNA), a crucial biological macromolecule. It plays a major role in the production of proteins by acting as a messenger to DNA, which in turn carries the genetic instructions necessary for the growth and maintenance of life.
What is difference between RNA and DNA?The double molecule with a lengthy chain of nucleotides is called DNA. The single-stranded molecule called RNA has a shorter nucleotide chain than other molecules. DNA is self-replicating; it reproduces itself. RNA cannot duplicate itself.
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Fungi include which living organisms?
Answer:
Yeasts and molds.
Explanation:
Hope it's helpful to you
Question 7 (1 point)
Critique the following hypothesis. The width of a rainbow is proportional to the number of raindrops that fall in a storm.
Answer:
Explanation:
Droplet Size. The colors we see of the rainbow depends on the size of the raindrops. If the drops are large, 1 millimeter or more in diameter, the rainbow will be bright with well defined colors where red, green, and violet are bright but having little blue. As the droplets get smaller, red weaken
Helppp
Why should people be concerned about the extinction of a species?
A. The extinction of a species upsets the balance of ecosystems.
B. The extinction of a species can be reversed with captive breeding.
C. The extinction of a species is an opportunity for new species to
emerge.
D. The extinction of a species increases overall biodiversity.
Answer:
A. The extinction of a species upsets the balance of ecosystems
Explanation:
Hope this helps! mark brainliest plz <3
What potential difference is needed to accelerate an electron so it has a 0.125nm wavelength
A potential difference of approximately 156.23 volts is needed to accelerate an electron to have a wavelength of 0.125 nm.
To determine the potential difference needed to accelerate an electron to a specific wavelength, we can make use of the de Broglie wavelength equation:
λ = h / √(2meV)
where λ is the wavelength, h is Planck's constant (approximately 6.626 x \(10^{(-34)}\) J·s), me is the mass of the electron (approximately 9.109 x \(10^{(-31)}\) kg), and V is the potential difference.
When we rearrange the equation to account for V, we get:
V = \((h^2)\) / (2me\(\lambda^2\))
Plugging in the given values:
λ = 0.125 nm = 0.125 x \(10^{(-9)\) m
V = ((6.626 x \(10^{(-34)})^2\)) / (2 x 9.109 x \(10^{(-31)\) x (0.125 x \(10^{(-9)})^2\))
Calculating this, we find:
V ≈ 156.23 volts
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The rain shadow effect refers to. A.more sunlight on the windward side of mountain ranges more. B. sunlight on the leeward side of mountain ranges. C. more sunlight on the windward side of cloud systems. D. drier conditions on the windward side of mountain ranges. E. drier conditions on the leeward side of mountain ranges.
Answer: b
Explanation:
5.
A student hypothesized that lettuce seeds.
would not germinate (begin to grow) unless
they were covered with soil. The student
planted 10 lettuce seeds under a layer of soil
and scattered 10 lettuce seeds on top of the
soil. The data collected are shown in the
accompanying table.
Data Table
Seed Treatment
Planted under soil
Scattered on top of soil
Number of Seeds
Germinated
9
8
To improve the reliability of these results, the
student should
A. conclude that darkness is necessary for
lettuce seed germination.
B. conclude that light is necessary for lettuce
seed germination
C. revise the hypothesis
D. repeat the experiment using a larger sample
size
To improve the reliability of these results, the student should repeat the experiment using a larger sample size (Option D).
Based on the data, 9 out of 10 seeds germinated when planted under the soil, and 8 out of 10 germinated when scattered on top of the soil.
The student's hypothesis that lettuce seeds wouldn't germinate without soil coverage is disproven by the results.
However, to improve the reliability and conclusiveness of the results, the student should repeat the experiment using a larger sample size (Option D).
This would allow for more data points, reducing the impact of any outliers or random occurrences and providing a more accurate representation of the germination process.
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The probable question may be "What other factors could potentially affect the germination rate of lettuce seeds, and how could they be controlled in future experiments to improve the accuracy of the results?"
How does mitosis differ from meiosis? A. Mitosis makes gametes, meiosis makes body cells B. Meiosis makes haploid cells, mitosis makes diploid cells C. Mitosis requires cytokinesis, meiosis does not D. Mitosis makes gametes and meiosis makes zygotes
Answer:
B
Explanation:
Mitosis carries out the process of asexual reproduction, produces two identical daughter cells and forms diploid cells. Meiosis carries out the process of sexual reproduction, forms four different daughter cells and makes haploid cells.
Which famous scientist introduced the idea of natural selection?
Answer:
Charles Darwin and Alfred Russel Wallace in the nineteenth century.
Explanation:
Some PLEASE answer quick.I’m doing a test rn and I only have 7 minutes to answer each question.
Answer:
Cellular respiration
I believe the answer is 2, cellular respiration.
3. What are the different wavelengths of the visible spectrum known to us as?
The region of the electromagnetic spectrum that can be seen by the human eye is known as the visible light spectrum. Visible light is the more straightforward term for this set of wavelengths.
What is wavelength?
When electromagnetic radiation, such as radio waves, light waves, or infrared (heat) waves, travels through space, it leaves behind distinct patterns. Each wave is unique in size and shape. The wavelength is the distance between peaks (high points).
Colors in the visible light spectrum are given below;
Violet has the highest frequency and the shortest wavelength, measuring 400-420 nanometers.
420-440 nm is Indigo
Blue wavelengths range from 440 to 490 nanometers.
Green wavelength ranges from 490-570 nm
The yellow wavelength is 570-585 nm
585-620 nm orange
Red has the lowest frequency and the longest wavelength in the range of 620 to 780 nanometers.
Therefore, wavelengths between 380 to 700 nanometers can be seen by the human eye.
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A scientist is investigating the effect of a pesticide on the
ability of certain types of weeds to produce seeds. The
scientist plans to conduct a test to find out whether the
amount of pesticide will affect whether a weed makes
seeds.
Which type of scientific investigation does this plan describe?
A. Experimental investigation
B. Theoretical investigation
C. Descriptive investigation
D. Comparative investigation
The type of scientific investigation of a plan based on conducting a test to find out whether the amount of pesticide will affect whether a weed makes seeds is A. Experimental investigation.
What is an experimental investigation procedure?An experimental investigation procedure refers to formulating a given test in controlled conditions in order to determine if our working hypothesis can be confirmed or needs to be rejected, which is a fundamental step of the scientific method.
Therefore, with this data, we can see that an experimental investigation procedure allows us to confirm or reject the hypothesis.
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Elaborar un Mapa Conceptual con datos cualitativos y cuantitativos procesados sobre los cromosomas, la terminología genética y caracteres hereditarios.
Answer:
Los cromosomas son componentes de células complejas (eucariotas) en las que se almacena la información genética necesaria para la herencia de propiedades. Un cromosoma contiene ácido desoxirribonucleico (ADN), en el que se codifican los genes, así como varias proteínas, especialmente histonas. En los organismos eucariotas, que incluyen plantas, hongos, animales y, por tanto, también seres humanos, los cromosomas son componentes regulares en el núcleo celular.
an individual named pat with prader-willi syndrome produced an offspring named lee with angelman syndrome. the other parent does not have either syndrome. how might this occur? what are the sexes of pat and lee?
The syndromes are caused by a small deletion in chromosome 15. The expression of the deletion is affected by genomic imprinting. If inherited from father, the offspring develops Prader-Willi syndrome. Therefore, here the person with Angelman syndrome must have been a male. And the offspring can be male or female.
Deletions are the chromosomal aberration sin which some part of the chromosome is deleted. This results in the loss of some genes causing the loss of certain traits or development of some disease.
Genomic imprinting is the phenomenon where the expression of genes depends of the fact if the gene has been inherited from the mother or the father.
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Why cant one antibody mark all the virus?
Answer:
Because the antibody does not have all the properties of that
because the antibodys will gather to all of the virus that it can but it won't cover everything
can someone send a link on this topic or help me do it in any way?? its due tomorrow
Answer:
You should explain more...
Explanation:
9. What are the genotypes of the 2 individuals that
have hitchhiker's thumb?
Answer:
sorry
Explanation:
sorry don't know o will try to find out
catalase-containing peroxisomes are most abundant in ______ cells.
Catalase-containing peroxisomes are most abundant in liver cells (hepatocytes) and kidney cells (renal tubular cells) due to their involvement in detoxification processes.
Catalase-containing peroxisomes are specialized organelles found in eukaryotic cells. They play a crucial role in various metabolic processes, including the breakdown of fatty acids and the detoxification of harmful substances. Catalase, an enzyme present in peroxisomes, helps in the breakdown of hydrogen peroxide, a toxic byproduct of cellular metabolism.
The abundance of catalase-containing peroxisomes can vary depending on the cell type and its specific metabolic needs. liver cells, also known as hepatocytes, and kidney cells, specifically renal tubular cells, have the highest abundance of catalase-containing peroxisomes. This is because these cells are involved in detoxification processes, where peroxisomes play a vital role in breaking down and neutralizing toxic substances.
Additionally, cells that are exposed to high levels of oxidative stress, such as muscle cells and cells in the respiratory system, also tend to have a higher number of peroxisomes. This is because peroxisomes help in protecting the cells from oxidative damage by breaking down reactive oxygen species.
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Catalase-containing peroxisomes are most abundant in liver cells.
Peroxisomes are membrane-bound organelles that are present in virtually all eukaryotic cells. They are rich in catalase, as well as other oxidative enzymes.
They are associated with a variety of metabolic pathways, including the breakdown of long-chain fatty acids and the synthesis of bile acids in liver cells, as well as the detoxification of harmful substances in the liver and kidneys. The primary function of peroxisomes is the breakdown of very long-chain fatty acids via a process known as β-oxidation.
Catalase-containing peroxisomes are the most abundant type of peroxisomes found in liver cells. They are responsible for breaking down hydrogen peroxide, a harmful byproduct of metabolic processes that can damage cells if not eliminated quickly.
In summary, catalase-containing peroxisomes are most abundant in liver cells.
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Which event in the Calvin cycle would be the LEAST affected by a malfunction in the electron transport system?
A. synthesis of G3P
B. production of ADP
C. regeneration of RuBP
D. production of 3-PGA
PLease HElp
Answer:
I think its C
Explanation:
Answer:
The answer is
D. Production of 3-PGA
Explanation:
Took the test
Someone expressing a recessive hair color has _______.
A-1 dominant and 1 recessive allele for hair color
B-2 dominant alleles for hair color
C-2 recessive alleles for hair color
Answer: The answer would be C
Explanation: This is because in order to express a recessive trait one must have no dominant alleles or otherwise the dominant would win out and be expressed instead. For example, if a person had 1 allele for brown hair and 1 for red the brown would win and the same would happen if they had 2 brown hair alleles. Whereas if a person had two alleles for red hair and none for brown, only then would the red trait be expressed. Hope this helped!
As stated in the thinking critically about organizational support and creativity section of the textbook, middle managers can strengthen the extent to which employees perceive that they are valued and cared for by the organization, by strengthening which two factors below?
a. employee’s identification with their work unit and their identification with the organization’s mission
b. employee’s expectation of career success and employee’s buy in with the organizations vision
c. emotional intelligence and cognitive aptitude
d. employees’ identification with their work unit and their expectations of career success
According to the thinking critically about organizational support and creativity section of the textbook, middle managers can strengthen the extent to which employees perceive that they are valued and cared for by the organization, by strengthening employees’ identification with their work unit and their identification with the organization’s mission (A).
What is organizational support?Organizational support refers to the extent to which an employee feels that the organization values their contributions and cares about their well-being. It is critical to keep employees motivated and engaged with their work as an essential element in organizational success. The strength of an employee's commitment and engagement to the organization depends on the level of support they receive.
What is creativity?Creativity is the ability to think outside the box and generate novel and innovative ideas and solutions. Organizations value employees who can produce innovative ideas that enhance the company's products or services, establish new market trends, and generate new revenue streams.
What is the role of middle managers in organizational support and creativity?Middle managers are responsible for driving organizational support and creativity in the organization. They play a crucial role in enhancing employees' identification with their work unit and the organization's mission. The greater the employee's identification with the work unit and the organization's mission, the higher their level of organizational support and creativity.
In conclusion, the correct answer is (a) employee’s identification with their work unit and their identification with the organization’s mission.
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What are the levels of organization in the human body and how do they relate to each other?
Answer:
There are several levels of organization in the human body, each of which builds upon the previous level to create a complex and functioning organism.
1. Chemical level: This is the smallest level of organization and involves atoms and molecules.
2. Cellular level: Cells are the basic unit of life and are made up of various chemicals and molecules.
3. Tissue level: Tissues are made up of groups of similar cells that work together to perform a specific function.
4. Organ level: Organs are made up of two or more tissues and have specific functions.
5. Organ system level: Organ systems are made up of multiple organs working together to perform a specific function for the body.
6. Organismal level: The highest level of organization, it involves all of the previous levels working together to create a functioning organism.
These levels are interdependent on one another; each level builds upon the previous one to create and maintain complex functions in the body.
Choose the best description of the cell cytoskeleton.
Answer:
The cell cytoskeleton is a dynamic network of fibers that can be quickly dismantled and reassembled to change cell shape and the position of cell components,The fundamental functions of the cytoskeleton are involved in modulating the shape of the cell, providing mechanical strength and integrity, enabling the movement of cells and facilitating the intracellular transport of supramolecular structures, vesicles and even organelles.
Explanation:
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The beginning of the Cambrian period marks an important event in animal evolution - the appearance of organisms with ________.
Answer:
The beginning of the Cambrian Period is marked by the evolution of hard body parts such as calcium carbonate shells. These body parts fossilize more easily than soft tissues, and thus the fossil record becomes much more complete after their appearance.