Define y desarrolla los siguientes términos en tu libreta (escribe sus variantes)
CÉLULAS
NUTRICIÓN
REPRODUCCIÓN
RESPIRACIÓN
ADAPTACIÓN
Elige un ser vivo y desarrolla sus características comunes con el resto de los seres vivos (formado por células, nutrición, reproducción, respiración, adaptación)

The DNA of the cells' chromosomes is copied during S phase of the cell cycle.

The full form of DNA is deoxyribonucleic acid. It is a molecule that contains genetic information and instructions for the development and function of living organisms. S-phase or synthesis phase is a stage of interphase, which is the cell cycle's most prolonged phase.

DNA replication occurs in this stage, which means that the cell's DNA is duplicated to prepare for mitosis, which happens during the next stage, the G2 phase.

S phase also ensures that the DNA is correctly copied before being separated during cell division. Chromosome duplication happens in the S-phase of interphase.

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The photosynthesis equation is as follows:

6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

★ Carbon dioxide + water + energy from light produces glucose and oxygen

What is photosynthesis ?

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.

More to know :-

There are two types of photosynthetic processes: oxygenic photosynthesis and anoxygenic photosynthesis. They both follow very similar principles, but oxygenic photosynthesis is the most common and is seen in plants, algae and cyanobacteria.

Explanation:

6CO2+ 6H2O sunlight and chlorophyll C6H12O6+ 6O2

it's a type of nutrition in which green plant manufacture their food using carbon dioxide and water in present of sunlight and chlorophyll

Answer:

china world was large puplation of ther country and dencity was multiple

Answer:

Density-dependent factors include disease, competition, and predation. Density-dependant factors can have either a positive or a negative correlation to population size. With a positive relationship, these limiting factors increase with the size of the population and limit growth as population size increases.

The signaling pathway that controls cyclical gene transcription in the segmentation clock is the Notch signaling pathway (option b). The segmentation clock is a crucial biological mechanism responsible for the formation of segmented structures during embryonic development, such as somites in vertebrates. It operates through oscillatory gene expression, which results in a periodic pattern of segmentation.

The Notch pathway plays a vital role in this process by orchestrating the periodic expression of target genes in a synchronized manner. Notch signaling is an evolutionarily conserved intercellular communication mechanism that regulates various cellular processes, including cell fate determination and differentiation.

In the segmentation clock, Notch signaling components oscillate at the mRNA and protein levels, and their activity generates the rhythmic gene expression patterns required for proper segmentation. This dynamic regulation of gene expression ensures the correct spatiotemporal formation of somites and other segmented structures in developing embryos.

Thus the Notch signaling pathway is essential for the accurate functioning of the segmentation clock, and it plays a significant role in the formation of segmented structures during embryonic development.

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answer

IV-music

DV-baskets in 10 mins

control-the day no music was played

step by step

IV is the variable being adjusted to achieve variety of results

DV is the counts that will depend on the music played

control with no music only one variable was being tested the counts so a control is where one variable is being tested

Answer:

Lactic fermentation is a minor process which occurs after glycolysis in anaerobic respiration.

Explanation:

In it, an enzyme found in most every organism called lactate dehydrogenase catalyzes a reaction between the NADH produced from glycolysis with the pyruvate molecules to create the NAD+ necessary to begin glycolysis

Human gamete is haploid i.e. it contains 23 chromosomes or single set of chromosomes

A cell of an organism is said to be haploid if it only has one pair of chromosomes. All creatures that reproduce sexually are diploid (having two sets of chromosomes, one from each parent). Only the egg and sperm cells are haploid in humans .A haploid cell only contains one pair of chromosomes. Human cells are typically diploid (two copies of each chromosome) as opposed to haploid (one copy of each chromosome). Meiosis, a specific type of cell division where the genetic material of the parent cell is broken up twice, is how the egg and sperm cells are created in humans. As a result, these haploid cells have just one pair of chromosomes. The genetic material is united in the zygote cell that results from sperm fertilizing an egg. In other words, two distinct haploid cells with one set of chromosomes each combine to form a single diploid cell with two sets of chromosomes. In the end, the zygote cell develops into a new individual.

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Answer: photosynthesis

Explanation:

The primary functions of whales include feeding, reproduction, communication, and migration.

Whales are primarily filter feeders or predators, depending on the species.

Filter-feeding whales, such as baleen whales, have baleen plates in their mouths that allow them to filter out small prey, such as krill or small fish, from large volumes of water.

Predatory whales, such as toothed whales, hunt and feed on various marine organisms, including fish, squid, and marine mammals.

Reproduction is another important function for whales. Most whale species have a gestation period of several months, with females giving birth to a single calf.

The calves are nursed with milk from their mothers and rely on their care for a period of time until they become independent.

Communication is vital for whales, as they rely on vocalizations to communicate with other members of their pod.

Whales produce a variety of sounds, including songs, clicks, and whistles, which serve purposes such as mating, social interactions, and navigation.

Migration is a common behavior observed in many whale species. Whales undertake long-distance migrations, often covering thousands of kilometers, to reach feeding grounds in nutrient-rich waters or to reproduce in specific breeding areas.

These migrations are driven by seasonal changes in food availability and environmental conditions.

In summary, the primary functions of whales encompass feeding, reproduction, communication, and migration, all of which are essential for their survival and successful adaptation to their marine environments.

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The amino acids in a protein polymer are connected by a covalent bond called a peptide bond that connects the carboxyl group of the first amino acid to the amino group of the second amino acid. Such successive amino acid bondings generate a protein polymer called a polypeptide.

A peptide bond is formed through a condensation reaction between the carboxyl group of one amino acid and the amino group of another amino acid. This bond results in the formation of a covalent linkage between the carbon and nitrogen atoms of the amino acids, creating a peptide bond. The successive formation of peptide bonds between amino acids leads to the generation of a polypeptide chain, which is the primary structure of a protein.

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The process where a substance is dissolved in water and the temperature of the surroundings decreases is referred to endothermic as this process is characterized by the absorption of heat from the surroundings.

Why is this process endothermic?

Heat is absorbed from the surroundings and thus the surrounding temperature decreases. The relative amount of energy stored in the bonds between atoms of the substance dissolved in water and product molecules formed determines whether a reaction is endothermic or exothermic.

When a substance is dissolved in water, the water molecules form a bond with the molecules or ions of the substance. The bond formed is enough to separate the particles from each other. However, if more energy is required to separate the particles of the substance from each other compared to the one lost to the surroundings causing the system to take in energy from it's surroundings, then the temperature goes down in a process referred to endothermic.

In summary, the exothermic process increases the temperature of the surroundings as it releases energy into its surroundings causing a negative change. While the endothermic process absorbs energy from its surroundings causing a gain in energy.

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The right side of your lungs gets blood from your body and then it advances to pump it to the lungs. Then the lungs fill up the blood with oxygen and sends it to the heart. The left side of the heart gets the blood from the lungs and pumps it out to the body.

A mutation at the operator site of a positive inducible operon that causes a change in the sequence of the operator would likely impact the ability of the operon to be induced.

The operator site is a regulatory region of DNA that is recognized by a repressor protein. In the case of a positive inducible operon, the repressor is normally bound to the operator and prevents transcription of the operon. However, in the presence of an inducer molecule, the repressor is released from the operator, allowing transcription to occur. If the sequence of the operator is altered by a mutation, it may impact the ability of the repressor protein to recognize and bind to the operator.

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The frequency of the HBS allele that causes sickle cell disease is higher in some populations than in others because the gene mutates at different frequencies in different parts of the world.

This is due to natural selection and the fact that the HBS allele also provides some resistance to malaria. Therefore, populations that have a high incidence of malaria tend to have a higher frequency of the HBS allele. However, it's important to note that sickle cell disease is a serious and sometimes life-threatening cell disease, and individuals who inherit two copies of the HBS allele can experience significant health problems.

In regions where malaria is prevalent, individuals carrying one copy of the HBS allele (heterozygotes) have a survival advantage over individuals with two copies of the normal hemoglobin allele. As a result, the HBS allele becomes more common in populations living in malaria-endemic areas. This phenomenon is known as balancing selection, where the selective advantage of heterozygotes balances the detrimental effects of having two copies of the HBS allele (sickle cell disease).

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The non-green sections of plants, the ground tissue cells do not have chloroplasts for photosynthesis and do not have hollow tubes for material transfer.

Materials are the substances or mixtures that are utilised to build or make items. They are employed in a variety of sectors, including electronics, manufacturing, transportation, and construction, and they can be natural or synthetic.

Metals, polymers, ceramics, fabrics, woods, and composites are a few examples of materials. Each substance has distinctive physical and chemical characteristics that make them each ideal for particular uses. For instance, while plastics are regarded as having flexibility and capacity to be moulded into intricate designs, metals are frequently employed for their durability and strength.

The Science of materials is an investigation.

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The answer is A. They have large vacuoles that store materials

Compared to blood capillaries, lymphatic capillaries are larger in diameter and possess closed ends.

The function of lymphatic capillaries deals with the process of keeping the overall balance of fluid in your body. This function is stimulated by returning the interstitial fluid back into the circulatory system with the help of lymph capillaries.

In blood capillaries, fluid can never being flowed but in lymph capillaries, fluid can easily flow throughout the cell walls. But the movement of this fluid is only permitted in the forwarding direction. This is also the unique feature of lymphatic capillaries.

Therefore, the major difference between blood capillaries and lymphatic capillaries is that lymph capillaries are larger in size.

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Answer: c) Groups such as communities or towns cannot be treatment units.

Explanation:

A population is in Hardy-Weinberg equilibrium if the genotype frequencies of the population are equal to the expected frequencies of the next generation, that is, if:

The frequencies of the population are:

P= f(SS)= 0.9025

H= f(Ss)= 0.095

Q= f(ss)= 0.0025

The population of frogs has 8000 individuals, 20 of which are homozygous recessive for the trait "being spotted"

Assuming Hardy-Weinberg equilibrium you can calculate the frequency of the recessive allele as follows:

The genotypic frequency of the homozygous recessive is

Apply the square root to determine the value of q:

The allelic frequencies are complementary, which means that they add up to 1, knowing the value of q you can calculate the frequency of the dominant allele p:

Predict the genotype frequencies of the offspring on equilibrium:

Homozygous dominant SS

Heterozygous Ss

Homozygous recessive:

Compare the results:

As you can see the genotype frequencies of the current population are equal to the genotype frequencies of the original population, you can say that the population is in Hardy-Weinberg equilibrium.

Once the population reaches equilibrium it does not change, i.e. the frequencies are the same from one generation to the other, unless some outer factors, like deforestation, create a drastic change in the genetic pool (for example, by eliminating/ adding individuals or isolating small portions of the population)

On the other hand, if the population is evolving, i.e. the genotypic frequencies are changing, and the observed genotype and allele frequencies will change from one generation to the next one.

If you concluded that the population is in equilibrium, then it is not possible for it to be evolving as the frequencies do not change for a population in equilibrium as they do when the population is evolving.

This means that the population is not evolving.

Answer:

True

Explanation:

Velcro was coined from the combination of the words “velvet” and “crochet.” It is made up of two strips of fabric in which one is covered in thousands of tiny hooks and the other with thousands of tiny loops. It was discovered by George de Mestral.

Answer:

Choose the corresponding number. (The answer is explained in the explanation in the biological terms).

Explanation:

The label that points to the part of the ATP synthase that is like the blades of a turbine is labeled "F1." The F1 component of ATP synthase contains the catalytic sites responsible for synthesizing ATP, and it rotates like a turbine to drive the synthesis of ATP. Similarly to how the blades of a turbine are moved by water or wind, the F1 component is rotated by the flow of protons through the enzyme, which generates the energy needed to produce ATP.

Michael is expected to draw a diamond Approximately 8 times, see the explanation below.

A standard deck of 52 cards contains 13 diamonds. Therefore, if Michael draws 20 cards, he can expect to draw a diamond 8 out of 20 times (8/20 or 40% of the time).

A standard deck of 52 cards is composed of four suits (diamonds, hearts, spades, and clubs) with each suit containing 13 cards (Ace, 2 - 10, Jack, Queen, and King).

In addition to the four suits, a standard deck of 52 cards also contains two jokers. The jokers are typically not used in card games and are often only used for decorative purposes.

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A crosscutting concept is one that has applications in different branches of science.

The ones we have in the answer options are the following:

• Structure and Function,, which says that the ,shape, of an object gives it certain, properties and functions.

• Scale, proportion, and quantity,, which refer to what is important when studying something can be affected by the scale of it, as well as to the proportional relationships between quantities when the scale changes.

• Energy and Matter,, regarding the tracking of changes and flow of energy and matter in a system.

• Stability and Change,, which tells us that every system has conditions that affect its stability, and these need to be considered.

In the question, they are talking about how the order of the nucleotides in the DNA determines the amino acids of a protein, and thus its shape and chemical properties, which determine the function that the protein has.

This means it refers to the cross-cutting concept of structure and function, so the right answer would be A.

Answer: Median is 21

Explanation:

I'm assuming this is referring to the Peppered Moth, a species of moth that adapted to the change of color on tree bark. The tree bark changed color as a result of local pollution. The moths (over the course of generations) changed color as well that better suited camouflage upon the new color of the tree bark.

Answer:

WELL, good thing I had this question and out of the four bugs I think it's the black bug with the pincers (stag beetle I think)

Explanation:

Answer:

lipids or nucleus acids

Explanation:

I know its not proteins or carbohydrates so take a guess, 50/50 chance

Gap genes are a class of genes that are involved in establishing the segmentation pattern in the developing embryo of Drosophila melanogaster, a fruit fly commonly used as a model organism in genetic studies.

There is a polarity between the cell membrane and the cytoplasm, with different molecules and structures being localized to each compartment. In embryonic development, polarity can refer to the establishment of distinct regions or axes within the embryo, such as the anterior-posterior or dorsal-ventral axes. This polarity can be established through the activity of genes and proteins that help to set up gradients of signaling molecules or morphogens.Polarity refers to the positive or negative orientation of something. In the context of language and communication, polarity often refers to the sentiment or emotional tone conveyed by words or phrases. For example, the word "happy" has a positive polarity, while the word "sad" has a negative polarity.In some fields, such as chemistry, polarity refers to the distribution of electrical charge in a molecule. A molecule is said to be polar if it has a separation of electrical charge, resulting in a positive and negative end.

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it is called non- living because it does not have life in it

Answer:

it would be considered non living

Explanation:

water cant reproduce,excrete,respire and it doesn't have a circulation system.