Answer:
brainliest please
Explanation:
Breathing is the physical process where you inhale and exhale air in and out of your lungs. Respiration is a chemical reaction where Oxygen is used to breakdown Glucose in order to generate energy which is then used by the cell to function.
If someone has a trait that makes them live much longer than other people but they cannot
reproduce, what happens to their fitness?
Answer: Their fitness decreases
Answer:
decreased fitness
Explanation:
Remember that fitness is how well an individual can reproduce. It is NOT physical strength. If an individual cannot reproduce it will have zero fitness even if it lives longer than everyone else.
Which occurs in both the lytic cycle and the lysogenic cycle?
Answer: Hijacking of host cell's metabolic action
Answer: D is the answer.
Explanation:
Cells in the pancreas synthesize digestive enzymes in the rough endoplasmic reticulum and packages them in vesicles. These vesicles migrate to and fuse with the cell membrane to secrete the enzymes outside the cell. What process does this involve?
a. Endocytosis
b. Diffusion
c. Phagocytosis
d. Exocytosis
The process which involves the vesicles migrating to and fusing with the cell membrane to secrete the enzymes outside the cell is referred to as Exocytosis and is denoted as option D.
What is Exocytosis?This is a term which is a form of active transport in which a cell transports molecules out of the cell and involves the input of energy which is usually in the form of ATP.
In this scenario, the vesicle migrates and fuses with the cell membrane, allowing its contents to be released outside the cell which is therefore the reason why Exocytosis was chosen as the correct choice.
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A 22-year-old woman engaging in a political protest goes on a hunger strike on a prominent corner in a city park. She refuses all offers of food except for water through the first 2 weeks. Under these conditions there is a decreased reliance on which of the following pathways for fuel?a. β-oxidationb. Lipolysisc. Ketogenesisd. Gluconeogenesis
Answer:
β-oxidation and gluconeogenesis
Explanation:
This 22-year-old woman, by not eating her food for a long time, entered a period of prolonged fasting.
Which there are no glycogen reserves, since they were depleted and neither were glucose assimilations by the cells because the person only ingested water.
Prolonged fasting is extremely dangerous because fatty tissues are degraded resulting in ketone bodies that are considered toxic and cross the blood-brain barrier.
Once the fat tissue reserve is completely finished, the body will enter into proteolysis of the body's own structural proteins in order to obtain energy, this is how the phenomenon of abrupt consumption of muscle tissue occurs.
___________is height above sea level.
Air Pressure
Altitude
Density
Molecules
Answer:
the correct answer is altitude believe me I got that one right from the quiz
explain how the same genotype can result in multiple phenotypes under different environmental conditions.
A variety of phenotypes can be produced when the same genotype is exposed to various environments. The environment's impact on the expression and operation of the genes controlling the characteristic is responsible for these phenotypic variances.
What is genotype and phenotype ?The genotype of an individual is their own Genetic pattern. More specifically, the two alleles a person acquired for a given gene are referred to by this phrase. The clinical presentation of a patient is the observable expression of this genotype, or phenotype.
When the same genotype is grown in various settings, distinct phenotypes emerge. Also, different genotypes react to the same environmental changes in various ways.
Thus, the same genotype can result in multiple phenotypes under different environmental conditions.
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Which taxonomic domain includes multicellular photosynthetic organisms? see concept 1.2 (page)
Eukarya taxonomic domain includes multicellular photosynthetic organisms.
Multicellular organisms classified as Eukarya include the kingdom Plantae and several types of algae, which can manufacture their own sustenance when exposed to light. Eukarya include protists, which are single-celled organisms like microalgae, as well as well-known plants, animals, and fungi. Their cells have a membrane-based internal structure, and the DNA is maintained in a nucleus.
All living things fall within the domain super kingdom category in the current classification system. Three major categories make up the domain. These are:
1. Archaea
Prokaryotes are classified as archaea, although they differ from bacteria in that their plasma membranes contain several types of lipids. The cell wall of archaea contains many forms of RNA but lacks peptidoglycan.
2. Microbes
It also includes single-cell prokaryotes, however, they differ from archaea in that they have different cell walls, RNA, and plasma membrane lipids.
3. Eukarya
It includes all monocellular and multicellular eukaryotes.
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Which of the following is one of the ways that cellular respiration and photosynthesis are opposite processes?
A.)Photosynthesis releases energy, and cellular respiration stores energy
B.)Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back.
c.)Photosynthesis removes oxygen from the atmosphere, and cellular respiration puts it back,
d.) Photosynthesis consumes glucose, and cellular respiration produces glucose.
Answer:
Explanation:
OKKK
Who is cub 712 parents in Lulu the lioness?
How is the author effective in offering different characters' points of view without shifting narrators?
A.
Nsue remembering Old Gao’s stories.
B.
Nsue racing to get the honey before he is stung.
C.
The exchange of dialogue between Nsue and his father.
D.
The internal doubt Nsue has, because Nandi’s offering is ready.
proteins that are secreted from a eukaryotic cell must first travel through the endomembrane system. True/False
It is true that proteins produced by eukaryotic cells first pass via the endomembrane system.
How do proteins navigate the endomembrane network?In the ER, proteins take on their correct structures and may also pick up sugar groups. The majority of proteins are then transported to the Golgi apparatus using membrane vesicles. Some proteins must, however, continue to work and stay in the ER.
What is wrong for the endomembrane system?The endomembrane system of the cell includes the endoplasmic reticulum, Golgi complex, lysosomes, and vacuoles; however, mitochondria are not a part of this system. Only bacteria and not eukaryotes have peptidoglycan-based cell walls. Cellulose, hemicellulose, pectin, and chitin make up the eukaryotic cell wall.
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13. are the proposed cfc replacements themselves greenhouse gases? why is their emission considered to be less of a problem in enhancing the greenhouse effect than was that of the cfcs themselves?
Yes, the proposed CFC replacements themselves are greenhouse gases.
The emission of these replacement gases is considered to be less of a problem in enhancing the greenhouse effect than was that of the CFCs themselves due to their shorter lifetimes in the atmosphere and lower global warming potentials.
CFCs have been found to be highly effective at destroying the ozone layer, which protects the earth from harmful UV radiation.
As a result, they have been phased out as refrigerants and other uses. However, the replacements for CFCs, such as hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs), are themselves greenhouse gases.
HCFCs and HFCs have shorter lifetimes in the atmosphere and lower global warming potentials than CFCs, which means that their effects on climate change are less severe.
While they are not ideal replacements, they are currently the best options available for many uses, and efforts are being made to find alternatives that are even less harmful to the environment.
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ecology
Define the term metapopulation. (a) what are the factors that characterize metapopulations, and what conditons need to be satisfied in order for metapopulations to persist? be thorough in answering
Metapopulation is defined as a group of geographically distributed subpopulations, connected by intermittent migration and dispersion. They are characterized by migration, local extinction, and recolonization.
The factors that characterize metapopulations include the following:
The size of the subpopulations: The size of each subpopulation can be different. They can range from a few individuals to thousands.
The connectivity of the subpopulations: The subpopulations in a metapopulation can be connected by dispersal or migration.
The dynamics of local extinction: In metapopulations, the extinction of a local subpopulation can occur due to various environmental factors. This factor creates a vacant patch that can be recolonized by the dispersing individuals.
The dynamics of colonization: The colonization of vacant patches can occur by individuals from a neighboring subpopulation through migration, and this is a dynamic that characterizes metapopulations.
The conditions that need to be satisfied for metapopulations to persist are:
The subpopulations in a metapopulation must remain connected through the migration of individuals, and the rate of immigration must be greater than the rate of local extinction.
The extinction of a local subpopulation must not occur too frequently because it can lead to the extinction of the entire metapopulation if the rate of extinction is too high.
The size of each subpopulation must be large enough to avoid the effects of genetic drift and other factors that can increase the rate of extinction of a subpopulation.
Overall, metapopulation persistence requires the maintenance of a balance between the rate of extinction and recolonization. In addition, the size and connectivity of subpopulations must be carefully maintained to ensure the persistence of the metapopulation.
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A zygote (the cell formed when an egg and a sperm cell initially fuse) is:
A) multipotent
B) pluripotent
C) totipotent
D) omnipotent
Answer: https://rb.gy/rb1nlh copy that into search browser
Explanation:
1.
The fox population in a certain region has an annual growth rate of 5 percent per year. It is estimated that the population in the year 2000 was 23500 . (a) Find a function in the form \( P(t)=a b^{t}
The fox population can be modeled using an exponential growth function of the form P(t) = ab^t, where P(t) represents the population at time t, a is the initial population, b is the growth factor, and t represents the number of years.
In this case, the population in the year 2000 was given as 23500. We can use this information to find the values of a and b in the exponential growth function. Since the population has an annual growth rate of 5 percent, the growth factor (b) would be 1 + growth rate = 1 + 0.05 = 1.05.
To find the value of a, we substitute the given population value for the year 2000 into the exponential growth function: P(0) = ab^0 = a(1.05)^0 = a. Therefore, a = 23500.
Now we have the values of a and b, and the exponential growth function for the fox population becomes P(t) = 23500 * (1.05)^t, where t represents the number of years since the year 2000.
This function can be used to estimate the fox population for any given year after 2000 by substituting the desired value of t into the equation.
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What are the adaptational features of cursorial animals?
Which mutation changes the number of chromosomes in the cell
Answer: aneuploidy
A gain or loss in the number of chromosomes from the normal 46 is called aneuploidy. A common form of aneuploidy is trisomy, or the presence of an extra chromosome in cells. "Tri-" is Greek for "three"; people with trisomy have three copies of a particular chromosome in cells instead of the normal two copies.
Answer to this question ?
Answer:
\(\Large \boxed{\sf 50\%}\)
Explanation:
\(X=Aa\)
\(Z=bb\)
Heterozygous is when an individual has two different alleles of a gene.
\(Heterozygous \rightarrow Aa,Aa,Bb,Bb\)
\(\displaystyle \frac{no. \ of \ heterozygous}{total \ no.}=\frac{4}{8} =0.5\)
i crosscut my nail with a knife . will it ever heal???
HELP! Label this image regarding protein synthesis
Answer:
wow high school work
Explanation:
Translation: process of protein formation is called translation .
In the process of translation, a cell reads information from a molecule called a messenger RNA and uses this information to build a protein. Translation involves “decoding” a messenger RNA and using its information to build a polypeptide, or chain of amino acids .
which trace mineral is a cofactor involved in the formation of urea?
Magnesium is a trace mineral which functions as a cofactor for the enzymes involved in the formation of urea.
The formation of urea occurs through the Krebs-Henseleit cycle which is a multistep process that occurs for the removal of ammonia (NH₃) from the tissues.
Magnesium is required in two steps that involve the hydrolysis of ATP which are:
1. Synthesis of carbamoyl phosphate from bicarbonate and ammonia and phosphate group from ATP
2. Synthesis of argininosuccinate from citrulline and aspartate using ATP.
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Which of the body’s systems provides movements of the skeleton, organs, and maintains body temperature and posture?
Answer:
Skeletal muscles also: Maintain posture and body position; Support soft tissues; Guard entrances and exits to the digestive and urinary tracts; and, Maintain body temperature
A group of students combined different substances together during several experiments. Their observations are recorded on the chart below.
1. A blue liquid and a yellow liquid were mixed and it turned green
2. A solid substance dissolved in a clear liquid
3. Two room temperature liquids were mixed and the temperature increased
4. Two different liquids were mixed and began to separate and layer in a beaker
In which experiment did a chemical reaction likely occur?
1
2
3
4?
Answer:
1. A blue liquid and a yellow liquid were mixed and it turned green
Explanation:
Both amphibians and reptiles…
A have lungs
B have gills
C breath only through their skin
D have amniotic egg
Both amphibians and reptiles have amniotic egg. The correct option is D.
Amphibians and reptiles are two distinct groups of vertebrate animals. Amphibians have a moist skin that allows gas exchange to occur, which means they can breathe through their skin in addition to using lungs or gills.
Reptiles, on the other hand, have lungs for breathing. However, both groups share a common feature of having an amniotic egg. This type of egg is covered with a protective membrane that prevents it from drying out, allowing the embryo to develop outside of water.
This adaptation was important for the survival of both groups in terrestrial habitats, where the availability of water for reproduction is limited.
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1 point
Primary succession is ecological succession that begins in a place that
has soil
has little soil
has simple plants
has rock
Primary succession is ecological succession that begins in a place that has rock.
Primary succession is a fascinating process of ecological succession that occurs in areas devoid of soil or where soil development is minimal. It involves the colonization and establishment of life in barren or highly disturbed environments, such as rocky terrains, volcanic islands, or glacial moraines.
In primary succession, the initial pioneer species often consist of lichens and mosses, which are capable of tolerating harsh conditions and facilitating soil formation.
These simple plants play a crucial role in the early stages of primary succession by breaking down rocks through physical and chemical weathering. As they grow and die, their organic matter accumulates, contributing to the formation of rudimentary soil.
Over time, more complex plants like grasses, ferns, and shrubs begin to colonize the area. These plants further contribute to soil development by adding organic matter, enhancing nutrient cycling, and improving soil structure. Their root systems help bind the soil particles, preventing erosion and creating a more stable environment for other organisms.
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what is the scientific name of seri silkworm?
Answer:
Bombyx mori
Explanation:
Answer:
Bombyx mori
Explanation:
A student is comparing the DNA of a two different organsims. What part of the DNA structures should the student look at to find the differences between the two organisms?
A. the number of nucleotides
B. the pattern of repeating phosphates and sugars
C. the number of hydrogen bonds
D. the pattern of nitrogenous bases
Answer:
d because u would have 2 look at the bases are 2 be able 2 look at the organisms and tell if they are what they need 2 be
Explanation:
iment assaying for cell cycle arrest with radiolabeled [3h]-thymine indicated that crc157 cells transfected with pc27-53 did not incorporate [3h]-thymine during d
The given experiment's assay for cell cycle arrest using radiolabeled [3H]-thymine shows that CRC157 cells transfected with PC27-53 did not integrate [3H]-thymine in the S-phase of the cell cycle.
The purpose of radiolabeled [3H]-thymine in the experiment is to check for DNA replication. DNA replication takes place during the S-phase of the cell cycle, where DNA synthesis and replication occur, and radiolabeled [3H]-thymine is incorporated into the newly synthesized DNA strand. If the cells are arrested in the S-phase of the cell cycle, they will not incorporate the radiolabeled [3H]-thymine.What does PC27-53 do in the experiment?PC27-53 refers to a plasmid construct containing the p53 tumor suppressor gene.
This plasmid is used to transfect the CRC157 cells to examine the effects of the p53 protein on the cell cycle. The p53 protein controls the G1/S checkpoint, which determines if the cell is ready to enter the S-phase of the cell cycle. Therefore, if the p53 gene is transfected into CRC157 cells, it may arrest the cells in the G1 phase of the cell cycle and prevent DNA replication in the S-phase.
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When tulips bloom, they are attempting to pollinate using the process of meiosis which part of tulip is related to meiosis? Why do tulips need to under go meiosis?
Answer:
The correct answer is - pistil and stamen.
Explanation:
Meiosis is the type of cell division that takes place only to produce gametes that are megaspore and microspore, in sex cells of the flowering plant. In tulip and other similar flowering plants have ovary at the base of the pistil that contains and produced megaspore (female spores) by meiosis.
Similarly, anthers in the stamen of the tulip flower produce male spores called microspores and contain. Meiosis is essential in sexual reproduction to ensure that each cell has the correct number of chromosomes and responsible for recombination.
During pollination Tulip under meiosis in other to produce the required gametes needed for sexual reproduction. The parts of the Tulip that contains the megaspore and microspore gametes are :
Pistil : The ovary that produces and stores the female spores via meiosis is located at the base Stamen : The anthers which produces the male spores via meiosis is located at the stamen.Also Tulips undergo meiosis to ensure that the cells have the accurate number of chromosomes that is to be used for recombination.
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What property of carbon makes it able to form large macromolecules?
O Carbon can form five or more bonds with other carbon atoms in chains and rings.
O Carbon can form single, double, and triple bonds with other carbon atoms.
O Carbon can form three triple bonds, two double bonds, or one single bond with other carbon atoms.
O Carbon can form hydrogen bonds between molecules to make larger molecules.
B: Carbon can form single, double, and triple bonds with other carbon atoms.
Account for the fact that the hind limbs of rabbits and birds have a similar basic structure
The similar basic structure of hind limbs in rabbits and birds can be explained by the concept of convergent evolution, where organisms adapt to similar functions or environments independently.
The fact that rabbits and birds have hind limbs with a similar basic structure can be attributed to convergent evolution. Convergent evolution occurs when unrelated organisms independently evolve similar traits or structures due to adaptation to similar functions or environments. Both rabbits and birds are adapted for locomotion, specifically for running and hopping in the case of rabbits, and for walking, perching, and flying in the case of birds. These similar locomotive requirements have led to the development of hind limbs with similar basic structures in both groups. While the underlying genetic and developmental mechanisms may differ, natural selection favors certain features that enhance locomotion.
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