If the cuvette with the algae are in the dark , the process of photosynthesis and cellular respiration occurs.
What is an algae?An algae can be described as a members of a group of predominantly aquatic photosynthetic organisms of the kingdom Protista.
Algae has many economic importance that ranges from ecological roles as oxygen producers and as the food base for almost all aquatic life.
Algae are also economically important as a source of crude oil and as sources of food and a number of pharmaceutical and industrial products for humans.
Photosynthesis and cellular respiration occurs if the cuvette with the algae are kept in the dark.
Algae can photosynthesize but they lack the specialized multicellular reproductive structures of plants, that contain fertile gamete-producing cells surrounded by sterile cells.
The size range of the algae can span seven orders of magnitude. Many of these algae consist of only one cell, while the largest of them have millions of cells.
In conclusion, algae are classified into groups based on their pigmentation.
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What chemical bond most likely stores the mos energy?
The chemical bond that typically stores the most energy is the covalent bond, specifically the triple bond, as it involves the sharing of the highest number of electrons.
Covalent bonds involve the sharing of electrons between atoms, resulting in the formation of a stable molecule. Within covalent bonds, there are variations in bond strength, which correspond to the amount of energy required to break the bond.
Among covalent bonds, triple bonds are generally the strongest and store the most energy. Triple bonds involve the sharing of three pairs of electrons between two atoms. Examples include nitrogen gas (N2) and acetylene (C2H2), where the nitrogen and carbon atoms form triple bonds, respectively.
The strength of a covalent bond depends on several factors, including the number of shared electron pairs and the types of atoms involved. Bonds with higher bond orders (such as double or triple bonds) tend to be stronger and store more energy compared to single bonds.
It is important to note that other types of chemical bonds, such as ionic bonds and metallic bonds, also play significant roles in storing and releasing energy, but in general, covalent bonds, particularly triple bonds, are known for storing the most energy.
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Each square table can seat four people how many people can be seated at 8 square tables?
what term best describes a selection process against those cells whose t cell receptors bind too strongly to self-peptide/mhc combinations?
(Negative Selection) Autoreactive. Cells with a T cell receptor that can bind MHC class I or II molecules with at least a weak affinity are chosen by positive selection.
This destroys any T cells that wouldn't function because they couldn't bind MHC (a process known as "death by neglect"). Family loyalty. T-cell lineage commitment in hematopoietic tissue. Multiple selection processes, such as positive selection, negative selection, and agonist selection, that take place during the formation of T cells in the thymus work together to select a functional and self-tolerant T cell repertoire. T cells must be able to recognise the antigen-MHC complex in order to be effective in fighting infections and other foreign cells.
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A bloodstain made from an impact angle of 30 degrees is more rounded in shape than a bloodstain made from an angle of 50 degrees. True False
The given statement, "A bloodstain made from an impact angle of 30 degrees is more rounded in shape than a bloodstain made from an angle of 50 degrees" is true:Impact angle refers to the angle at which a drop of blood strikes a surface, and it is expressed in degrees.
The shape of a bloodstain is determined by the angle at which the blood hits a surface. Bloodstains made from lower impact angles appear more rounded and wider than those made from higher impact angles.When a bloodstain is made from a low angle of impact, the blood droplets are generally more rounded in shape, with the widest part of the bloodstain being near the direction from which the blood droplets originated.
The bloodstains made from a high impact angle, on the other hand, appear to be more elongated, with the widest part of the bloodstain being the edge opposite the direction from which the blood droplets originated. Therefore, the given statement, "A bloodstain made from an impact angle of 30 degrees is more rounded in shape than a bloodstain made from an angle of 50 degrees" is true.
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Question 2 of 25
Which best describes the scientists who contributed to our current body of
knowledge?
A. Scientists from all areas of the world
B. Scientists from the United States
C. Scientists from the Middle East
D. Scientists from Europe
Answer:
(a) because everyone is dmsrtll
Which macromolecule provides a person with most of the energy that is needed for daily activities?
carbohydrates
lipids
nucleic acids
proteins
Answer:
Carbohydrates
Explanation:
the only possible answer
Errors in transcription occur about 100,000 times as often as do errors in DNA replication. Explain one way errors in DNA replication are corrected.
DNA polymerase is one way to directly correct DNA replication errors. It checks the base that has been freshly supplied ahead of the succeding base so a corretion can be done. If it cannot proofread, an outcome of mutation is greatly possible which is considered as an i
What organelles are only present in plants?
match the correct term for each definition below.
______ changes in an organism’s structure
______ changes in an body’s internal response to environmental changes
______ changes in organism behavior
a. Evolution
b. Artificial selection
c. Natural selection
d. Structural adaptation
e. Behavioral adaptation
f. Physiological adaptation
Diverse protists that possess saclike membrane vesicles at the cell periphery, and may have cilia or flagella for movement, are classified in the supergroup called .
Diverse protists that possess saclike membrane vesicles at the cell periphery, and may have cilia or flagella for movement, are classified in the supergroup called Alveolata.
Alveolata is a supergroup of unicellular organisms that are defined by the presence of sac-like vesicles called alveoli that are situated underneath the plasma membrane surface of the cell. Additionally, members of the Alveolata group frequently possess cilia or flagella to facilitate movement. The Alveolata supergroup is comprised of three main groups of protists, including the Dinoflagellata, the Apicomplexa, and the Ciliophora. Dinoflagellata are unicellular organisms that are typically photosynthetic and can be found in marine environments. Apicomplexa is a diverse group of parasitic protists that can infect animals, including humans. Ciliophora is a diverse group of unicellular organisms that use cilia for locomotion and feeding. Overall, the Alveolata supergroup is an incredibly diverse and ecologically important group of organisms that have a wide range of lifestyles and morphologies. They are some of the most numerous and ecologically important organisms in aquatic environments, and they play key roles in the food web as both predators and prey.
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Write in phrases or sentences the similarities and differences between DOGS and CATS.
13. COMPARE (SIMILARITIES)
1.
2.
3.
4.
5.
CONTRAST (DIFFERENCES)
1.
2.
3.
4
5.
Answer:
COMPARE (SIMILARITIES):
1. Both dogs and cats are popular domesticated pets.
2. They are mammals and have fur or hair.
3. Both are known for their ability to provide companionship to their owners.
4. They require similar basic needs such as food, water, and shelter.
5. Both can be trained to perform certain tasks or behaviors.
CONTRAST (DIFFERENCES):
1. Dogs are typically more social and interactive with their owners and other dogs, while cats are often more independent.
2. Cats are known for their grooming habits, while dogs require more bathing and grooming from their owners.
3. Dogs are often larger in size and require more space and exercise than cats.
4. Cats are typically more agile and better climbers than dogs.
5. Dogs are known for their loyalty and ability to protect their owners, while cats are known for their ability to hunt pests such as mice.
Explanation:
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Earth is a closed system. That means the amount of rocks, metals, carbon, nitrogen, oxygen, and water on Earth . So, it is essential that biogeochemical cycles these materials as they move through Earth's subsystems.
Earth is a closed system, which means the amount of rocks, metals, carbon, nitrogen, oxygen, and water on Earth remains constant. So, it is essential that biogeochemical cycles renew these materials as they move through Earth's subsystems.
What are biogeochemical cycles?Biogeochemical cycles may be defined as the flow of chemical elements and compounds between living organisms and the physical environment for the need of each other.
The complete question is as follows:
Earth is a closed system. which means the amount of rocks, metals, carbon, nitrogen, oxygen, and water on earth ___. So, it is essential that biogeochemical cycles __ these materials as they move through earth subsystems.
remains constant, can increase, can decrease.destroy, create, renew.The biogeochemical cycles on the earth's planet are accountable for processing the identical old rocks, metals, carbon, nitrogen, oxygen, water, and other abiotic implications on Earth in order to intrinsically revitalize them and construct them obtainable for reuse for the organisms need.
Therefore, it is well described above.
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Answer:
Earth is a closed system. That means the amount of rocks, metals, carbon, nitrogen, oxygen, and water on Earth remains constant. So, it is essential that biogeochemical cycles renew these materials as they move through Earth's subsystems.
Explanation: ed mentum or plato
Is the claim, "Despite not being a plant, you get your energy from the sun." accurate?
Write a paragraph explaining your reasoning.
Answer:
Yes (kind of), because even though we do not use the sun as directly as say plants, we still rely on the sun on a daily basis, however we don't necessarily get our energy from it, like plants do.
The sun produces light as well as heat, also known as solar energy. This makes it possible for life to exist on Earth, and we can use solar energy to power a wide variety of useful things, however sun/solar energy is not the only way to get electricity.
As we know, plants need sunlight to grow, although humans don't grow by being exposed to sunlight, sunlight helps grow plants which animals, including humans, need for food as well as oxygen they produce.
Most livestock we eat, cows for example, need plants to survive and many people eat meat, and even if you don't you'd eat plants which, once again, need sunlight to grow. Also, without heat from the sun, Earth would freeze.
OVERALL...
It's kind of like a chain, we get our energy from things that get their energy directly from sunlight. A short answer would be yes, but it's not quite as simple as that.
I hope this helps, hopefully you can use it to formulate an answer of some sort.
Which process would bacteria living near a heat vent on the ocean floor use it build carbon-based molecules, such as sugars?A. Light- independent reactions B. Cellular respiration C. Fermentation D. Chemosynthesis
'Chemosynthesis' basically is the process which a bacteria living near a heat vent on the ocean floor use to build carbon-based molecules, such as sugars.
What do you mean by Chemosynthesis?
Chemosynthesis is a process by which some organisms use chemical energy to produce carbohydrates. This process occurs in environments where sunlight is not available, such as deep-sea hydrothermal vents. Organisms such as bacteria and other microbes convert chemicals such as hydrogen sulfide and methane into energy, which they use to produce organic molecules such as glucose.
The bacteria living near hydrothermal vents on the ocean floor use chemosynthesis to build carbon-based molecules, such as sugars, from the hydrogen sulfide and other chemicals that are spewed from the vent. The bacteria use the energy from the chemical reaction to form carbohydrates from the chemical reaction, which are then used as a source of energy for the bacteria. This process is thought to be the first form of energy production for life on Earth, and is seen as an important part of the global carbon cycle.
Hence, option D is correct.
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We need ____ more water to feed the extra people who will be born in the next 2 decades. A: 10% B: 45% C: 60% D: 90%
The correct answer to the question depends on various factors, such as population growth rates, water consumption patterns, and agricultural practices. The correct option maybe D) 90%.
A growing population will undoubtedly lead to an increased demand for water, especially considering the water-intensive nature of agriculture, which plays a vital role in feeding a larger population.
According to estimates from various studies, it is generally agreed upon that global water demand for food production will increase in the coming decades.
While the exact percentage may vary, option D: 90% is a commonly cited figure in discussions regarding the increased water requirements to sustain the growing population.
This estimation considers the expansion of agricultural activities, irrigation needs, and the water footprint associated with food production.
However, it's important to note that this is a complex issue, and other factors such as water efficiency measures, technological advancements, and changes in dietary patterns can also influence the final water demand.
It is crucial to prioritize sustainable water management practices and seek innovative solutions to meet future water needs while preserving the environment and ensuring equitable access to water resources.
Therefore, the correct answer is D.
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A dog breeder is looking into purchasing a 3 year old male dog for her business. A breeder online is advertising purebred males for $700. What would you suggest the breeder do before she purchases this dog?
Answer:
The dog breeder to check for all the details that meets her requirement of dogs.
Explanation:
A dog breeding is the practice of mating dogs. In the context, it is given that a dog breeder wants to purchase a male dog of three year old for her business and she founds an advertisement on the net about a purebred males that costs $700. Now before buying this purebred male dog, the dog breeder should first of all check whether the seller who is selling online is a licence breeder or not.
The dog breeder should also check whether the dog is a purebred or not and should also find out the actual age of the dog. The health of the dog should be checked by an professional vet before buying the dog.
The selling of dogs, either a hybrid or a purebred costs differently. An individual should check the license and health of the dogs before purchasing.
In the given example, the dog breeder is trying to purchase a three-year male dog. She saw an advertisement that the male dog is available at the rate of dollars 700.
Before purchasing the dog, the breeder should check:
the authenticity of the advertisementrespective seller details and valid contact information the genotype of the dog as claimed purebred, and the health of the dog from a professional veterinarian.
Thus, the breeder should check all the authenticity of the dog and its health.
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topic 2 what is adaptive radiation? what makes it a macroevolutionary process (rather than a microevolutionary process)? group of answer choices
Adaptive radiation is the diversification of a single ancestral species into multiple new species that are adapted to different ecological niches.
It is a macroevolutionary process because it involves the emergence of new and distinct species with significant morphological, physiological, and ecological differences, and it occurs over a long period of time (usually millions of years).
In contrast, microevolutionary processes involve changes within a species or population over a shorter time period, such as genetic mutations or natural selection. Adaptive radiation occurs when a species encounters new and diverse environmental conditions that create opportunities for it to exploit new resources and habitats.
This leads to the evolution of distinct morphological and physiological traits that are adaptive for different ecological niches. The process can result in the formation of new taxonomic groups, such as genera, families, or even orders, and it is a major driver of biodiversity on Earth.
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In nonvascular plants, windblown spores are dispersal agents, and some species forcefully expel their spores. How are windblown spores an adaptation to reproduction on land?
Windblown spores are an adaptation to reproduction on land for nonvascular plants because they help these species disperse their offspring over larger areas. This increases the chances of finding suitable habitats for growth and reproduction, promoting the survival and expansion of the plant species.
Windblown spores are an adaptation to reproduction on land for nonvascular plants because they allow for efficient dispersal of the species. Without a vascular system to transport nutrients and reproductive cells, nonvascular plants rely on external agents like wind and water to carry their spores to new locations where they can germinate and grow. The ability to forcefully expel their spores also increases the chances of successful reproduction by increasing the distance the spores can travel. This adaptation helps ensure the survival and expansion of the species in a terrestrial environment.
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Nonvascular plants have evolved windblown spores to assist them disseminate their progeny across broader regions during land-based reproduction.
This improves the likelihood of discovering favorable environments for development and reproduction, assisting in the survival and spread of the plant species. Since they effectively disperse the species, windblown spores are a form of nonvascular plants' adaptation to reproduction on land.
Nonvascular plants rely on external forces like wind and water to move their spores to new sites where they may germinate and thrive since they lack a vascular system to transport nutrients and reproductive cells. By enabling their spores to go farther, the capacity to forcefully discharge their spores also improves the likelihood of successful reproduction.
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phase, the infectious agent multiplies at high levels, becomes well established in its target tissue, and signs/symptoms reach their peak.
Acute phase , the infectious agent multiplies at high levels, becomes well established in its target tissue, and signs/symptoms reach their peak.
An increase in acute phase proteins in serum, fever, increased vascular permeability, metabolic and pathologic changes, and an increase in acute phase proteins in serum are all components of the acute phase response, a group of physiological processes that occur shortly after the onset of infection, trauma, and inflammation.
They serve as a representation of the degree of cell differentiation and order in living things. Transport, digestion, respiration, and other processes are all carried out by tissue. Tissue are therefore crucial for multicellular creatures.
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Can you please help me
Answer:
16, 24
Explanation:
As you can see, every next ordered pair in the "add 4" box adds 4 for every ordered pair and in the "add 6" box it adds 6 for every ordered pair, so all you have to do is 12 + 4 = 16 and 18 + 6 = 24
__________ is the hormone that triggers the production of sperm.
Answer: the testosterone is the answer for this answer and make sure to give the other kid the brainliest and have a good day. :) :)
Explanation:
Answer:
it’s testosterone
Explanation:
I took the same test
Which of the following is NOT true of anaerobic metabolism? a It is relied upon for high-intensity, short-duration activities like sprinting. b It occurs in the cytosol of cells. c Its primary fuel is fat. d It doesn't require oxygen.
Answer: The option that is NOT true is:
C. Its primary fuel is fat.
Explanation:
Anaerobic metabolism does not primarily rely on fat as its fuel source.
The correct answer is Option (c)
Option (c) Its primary fuel is fat, which is NOT true of anaerobic metabolism.
Let's delve into the topic by breaking down the words anaerobic, which gives us an-aerobic.
Aerobic refers to anything, which involves the presence of air, or more specifically oxygen. Thus any aerobic activity would involve the presence and usage of oxygen for its necessary functions.
Anaerobic would thus mean any activity which doesn't require the presence of oxygen.
Anaerobic metabolism defines the process by which cells, without the presence of oxygen, produce energy for their work. When the supply of oxygen is limited, cells opt for this alternative pathway to produce energy to keep themselves running.
Here, the breakdown of glucose occurs even in limited oxygen to give us ATPs (Adenosine Triphosphate), the energy currency of the cell.
Coming back to the question, we go through the options one by one.
During high-intensity activities like sprinting or heavy exercise, your lungs don't work fast enough to provide the body with enough air. Thus the glucose gets decomposed without the presence of oxygen to give the body the energy it needs through anaerobic respiration.
Thus, option A is correct.
Anaerobic respiration or metabolism occurs in the fluid part of the cell known as the cytosol, due to the availability of a suitable environment for chemical reactions.
Thus option B is correct.
Anaerobic metabolism doesn't require oxygen, as discussed before.
Thus option D is correct.
But, the primary source of fuel for running anaerobic chemical reactions is not fat, but glucose which breaks down to give ATP.
Thus, option C is incorrect.
Thus, the answer to the question is option C.
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Which of the following types of organisms are required to complete the nitrogen cycle, including the process of denitrification?
A
Bacteria
B
Producers
С
Consumers
D
Fungi
Answer: A Bacteria
Explanation:
Bacteria is required to complete the nitrogen cycle including the process of denitrification ( A )
The nitrogen cycle is the process whereby nitrogen moves from the atmosphere into the soil and from the soil back to the atmosphere. during the nitrogen cycle, nitrogen fixation takes places ( conversion of nitrogen gas into inorganic nitrogen compounds ).
Certain bacteria ( Azotobacterial and archaea ) are the organisms responsible for nitrogen fixation and the process of denitrification.
Hence the organisms required to complete the nitrogen cycle including the process of denitrification is Bacteria
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Thylakoids membranes have special proteins in bedded into the membrane which catalyze the production of ATP from what type of ions
Answer:
From Hydrogen ion.
H+
Explanation:
It's is from hydrogen ion because majoroty of the electrons transport processes take place in the thylakoids membranes in a bid to produced ATP, Hydrogen ion is allow to move through thylakoid space and then backflow through the proteins embedded in the thylakoids membrane called ATP synthase, which produce ATP from ADP in the mitochondrial matrix and chloroplast stroma.
pls help 25 pointss plssss
can u pls help me write a little summary about Food Web’s and include
-Trophic Levels
-Food Chains
-Biomass
-Bioaccumulation
Answer:
Sorry i just need Points
Explanation:
Ill answer thus later HAHAHA
What can some gram positive bacteria do in response to harsh and nutrient limited environments? A. Form an endospore
B. Form cell walls C. Self-destruct D. Grow flagella
The correct option is A ; . Form an endospore , Gram-positive organisms with dynamic cell envelopes, such as the pathogens Staphylococcus aureus,.
Streptococcus pneumoniae, and Enterococcus faecalis, mediate interactions with the environment and serve as the first line of defense against hazardous chemicals.
Some bacteria create an endospore, a form of spore that can endure extremes such as boiling and freezing temperatures, as well as UV light. These bacterial endospores are frequently subjected to years of suffering before they discover the growth conditions required for germination.
Gram-positive bacteria have lately been found as key components of freshwater ecosystems, as well as being prevalent in marine habitats. However, their quantitative significance and potential function in these latter systems, particularly in coastal locations, has received little attention.
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. G0 is a non-dividing phase of the cell cycle where the cell is not preparing to replicate. Cells may enter G0 during G1 and remain for the rest of their life, or a signal may cause them to re-enter G1 and continue in the cell cycle.
Consider two cells: a stomach-lining epithelial cell dividing more than twice a day and a liver cell dividing every year or two. Which cell is likely to be in G0 phase and why?
Type your answer here.
A large circle shows the cell cycle model, with sections for the G 1 phase, S phase, G 2 phase, and cell division or M phase. Adjacent to the large circle at the G 1 phase is a small circular arrow, labeled G zero phase.
The liver cell is more likely to be in G₀ phase compared to the stomach-lining epithelial cell.
Why is a liver cell is capable of dividing?This is because the stomach-lining epithelial cell needs to divide more than twice a day to replace the cells that are lost due to wear and tear. Therefore, it needs to keep progressing through the cell cycle and cannot afford to remain in G₀ phase for a long time.
On the other hand, the liver cell divides very slowly, and may only divide once every year or two. Hence, it is more likely to enter G₀ phase during the cell cycle and remain there until it receives a signal to re-enter G₁ and continue with the cell cycle.
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what is the main function of transcription factors? group of answer choices they compose the spliceosome which facilitates mrna splicing to facilitate binding of rna polymerase to the promoter to break the hydrogen bonds in dna and allow rna nucleotides to pair to facilitate the termination of the mrna transcript
Option B. to facilitate the binding of RNA polymerase to the promoter is the main function of transcription factors.
Transcription factors are proteins involved in the process of converting, or transcribing, DNA into RNA. Transcription factors consist of an extensive variety of proteins, apart from RNA polymerase, that provokes and adjust the transcription of genes.
The overall transcription element complex TFIID plays a key role in the initiation of transcription in eukaryotic cells. It capabilities through binding a component protein, TBP, to the 'TATA box' series upstream of the beginning of transcription.
The spliceosome splices out the non-coding introns from the number one mRNA transcript and stitches the exons again together into the mature mRNA transcript.
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Explain mechanism of transportation in mollusca
Answer:
The mollusk circulatory system uses a heart to pump blood through the organism, and the respiratory system of aquatic mollusks centers around their gills. The heart pumps blood through blood vessels that lead from the gills into body cavities called hemocoels.
list ten fiels of study and course's that you can study at university
Answer:
business
engineer
doctor
computer science
biology
history
math
arts
English writing
Explanation: