PLEASE 30 POINTS
How is a newborn baby protected from diseases for the first few months of his or her life?

an important component of healthy soil. Decomposing leaf litter releases nutrients into the soil and also keeps it moist.

did that answer your question?

Answer: worse

Explanation:the decaying leaves worsen the soil making it harder to use for other things

Answer:

D.) AAUUCCGG

Explanation:

RNA does not contain Thymine (T), instead, Adenine (A) pairs with Uracil (U).  S0, complementary base pairs from DNA to RNA are A-U, T-A, G-C, and C-G.  Using this fact, the complementary strand of mRNA should be AAUUCCGG.

Answer:

Cellular Respiration Photosynthesis

The entire process occurs in Mitochondria. The entire process occurs in Chloroplasts.

Glucose and oxygen are the reactants of this process. Carbon dioxide, water and light energy are the reactants of this process.

Explanation:

Cellular respiration takes place in the mitochondria of cells. While photosynthesis requires energy and produces food, cellular respiration breaks down food and releases energy. Plants perform both photosynthesis and respiration, while animals can only perform respiration.

Answer:

Damian here!(ﾉ◕ヮ◕)ﾉ*:･ﾟ✧

Explanation:

Facilitated diffusion (also known as facilitated transport or passive-mediated transport) is the process of spontaneous passive transport (as opposed to active transport) of molecules or ions across a biological membrane via specific transmembrane integral proteins.

so its basically passive

Hope this helps? :))

Answer:

natural

Explanation:

All organisms have a natural habitat in which they live

Temporalis and masseter are the prime movers for Jaw closure.

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Among the options provided, two are considered incompatible with Darwin's theory of evolution by natural selection: Mutationism and Neolamarckism.

1. Mutationism: This view posits that evolution occurs primarily through sudden and significant mutations that bring about new traits in a single generation. It suggests that these mutations are the main driving force behind the origin of new species.

However, Darwin's theory emphasizes gradual and incremental changes through the accumulation of small variations over time, rather than relying solely on sudden mutations.

2. Neolamarckism: This theory proposes that acquired characteristics can be inherited by offspring. It suggests that an organism can pass on traits acquired during its lifetime, such as changes resulting from use or disuse of certain structures or behaviors.

Darwin's theory, on the other hand, focuses on the heritability of traits that are already present in the organism's genetic material and passed on through generations, rather than traits acquired during an individual's lifetime.

On the contrary, both Particulate inheritance and Blending inheritance are compatible with Darwin's theory. Particulate inheritance refers to the idea that hereditary information is transmitted in discrete units (genes) from parents to offspring, which aligns with the concept of variation and inheritance of traits in natural selection.

Blending inheritance, although less favored in modern genetics, does not contradict the core principles of Darwin's theory as it still involves inheritance of traits, albeit through a different mechanism.

While Mutationism and Neolamarckism are at odds with Darwin's theory of evolution by natural selection, Particulate inheritance and Blending inheritance are consistent with the fundamental principles of natural selection and the gradual accumulation of variations over successive generations.

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Answer:

True.

Explanation:

During interphase, the cell undergoes normal growth processes while also preparing for cell division. It is the longest phase of the cell cycle, cell spends approximately 90% of its time in this phase. In order for a cell to move from interphase into the mitotic phase, many internal and external conditions must be met.

The structure of nucleic acids,  DNA and RNA, is formed by their sugar-phosphate backbone. The directionality of molecule is determined by its backbone, which is made up of alternating groups of sugar, phosphate.

In biological processes, energy is frequently stored or transferred via sugar phosphates (that have extra or replaced phosphate groups). They also serve as the foundation for DNA and RNA. Near the modified nucleotides, the sugar phosphate backbone shape is changed.

The multiplex electrical structure of the sugar-phosphate backbone makes a theoretical explanation challenging. Across the entire backbone, a portion of the electronic density is delocalized, and the degree of the delocalization is influenced by the backbone's conformation due to hyper-conjugation effects. Localized orbitals at the 1,3 positions interact with donors and acceptors to produce hyper-conjugation.

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Answer:

d

Explanation:

energy can neither be created nor ut can be destroyed

The cranial nerve that functions to detect taste and blood pressure changes in the carotid artery is the Glossopharyngeal nerve (CN IX).

The glossopharyngeal nerve is the ninth cranial nerve, and it is responsible for providing sensory information from the back of the tongue, tonsils, pharynx, and carotid artery to the brain. The gustatory (taste) fibers of the glossopharyngeal nerve provide taste sensation from the posterior one-third of the tongue. The glossopharyngeal nerve also contains baroreceptors that detect changes in blood pressure in the carotid sinus, which is a small dilation in the wall of the carotid artery.

Therefore, the glossopharyngeal nerve plays an important role in both taste sensation and regulation of blood pressure.

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Answer:

A,C,D

Explanation:

I just took the usatestprep and had this question

Answer:

a or c

Explanation:

Answer:

C) heat

Explanation:

An ecosystem comprised of biotic and abiotic factors interacting together, in a specified environment.

trophic levels of this ecosystem is the food chain or the level an organism is in the feeding level, this range from producer to tertiary consumer.

If we follow the pyramid of tropic level known as " Energy level" Heat is lost to the environment at each of the trophic levels of the ecosystem. The producer which has large area of the pyramid has a large energy, and as the primary consumer(second tropical level) which are herbivores feed on the producer(first tropical level)grass , it only takes just like 10% energy from the producer and the secondary consumer ( third tropical level) herbivores feed on primary consumer, and only get away with 10% of the energy and as the trend goes up the "Energy keep decreasing inform of heat" like that.

First box: Self-fertilization/self-pollination of F1 flowers

Second box: Determine F2 generation phenotypic ratios

Answer:

B

Explanation:

Some areas have more resources than others

Immunizations work by introducing a weakened or inactivated version of a specific pathogen or antigen into the body, which then stimulates the body to produce antibodies and other immune cells that can recognize and fight the pathogen. B-cells and T-cells are two types of lymphocytes that play an important role in the immune system.

B-cells produce antibodies that recognize and bind to specific pathogens, while T-cells help to recognize and destroy infected cells. Both B-cells and T-cells develop from bone marrow-derived progenitors; B-cells mature in the bone marrow, while T-cells mature in the thymus. The thymus is an organ that is critical for the development of T-cells, and has been referred to as the "guardian of immunity."

The thymus is vulnerable to environmental and physiological stressors, and thymus atrophy is a common phenomenon in humans. As humans age, the thymus becomes increasingly atrophied, resulting in a decrease in T-cell production, which can lead to a weakened immune system and an increased susceptibility to infectious diseases.

Thus, if human life is ever to expand beyond around 120 years, it is important that science finds a way to discourage thymus atrophy. This could be done through the development of new treatments and therapies that target the thymus, such as gene therapy and the use of hormones to stimulate the thymus.

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Although it may begin in a style that resembles exponential development, logistic growth eventually slows and stabilizes.

The population grows through time but levels off once it reaches its carrying capacity, which is when logistic growth begins. The carrying capacity of a population is a set quantity that represents how many people it can support. Therefore, "a fixed carrying capacity" is the appropriate response.

When the population is constrained by a limiting factor, logistic growth occurs.

With exponential growth, a population's growth rate per capita (per person) remains constant regardless of population size, causing the population to expand exponentially as it grows larger.

In nature, populations may expand exponentially for a while, but ultimately, their growth will be constrained by the availability of resources.

In logistic growth, a population's rate of per capita growth declines as it approaches the carrying capacity, a limit imposed by the environment's limited resources (K).

A J-shaped curve is produced by exponential growth, whereas an S-shaped curve is produced by logistic growth.

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Answer:

Mollusca

Nematoda

Arthropoda

Annelida

(i) BEP in $: $8,000

BEP in units: 100 units

(ii) Profits made when sales are 240 units: $4,800

(i) BEP in $ and units:

To find the Break-Even Point (BEP) in dollars, we need to divide the fixed expenses by the contribution margin per unit. The contribution margin per unit is the selling price minus the variable cost per unit.

BEP in $ = Fixed expenses / Contribution margin per unit

BEP in $ = $8,000 / ($120 - $80) = $8,000 / $40 = $8,000

The BEP in dollars is $8,000.

To find the BEP in units, we divide the fixed expenses by the contribution margin ratio.

BEP in units = Fixed expenses / Contribution margin ratio

Contribution margin ratio = Contribution margin per unit / Selling price per unit

Contribution margin ratio = ($120 - $80) / $120 = $40 / $120 = 1/3

BEP in units = $8,000 / (1/3) = $8,000 * 3 = 300 units

The BEP in units is 300 units.

(ii) Profits made when sales are 240 units:

To calculate the profit, we need to subtract the total costs (fixed costs + variable costs) from the total sales.

Variable costs = Variable cost per unit * Number of units sold

Variable costs = $80 * 240 = $19,200

Total costs = Fixed expenses + Variable costs

Total costs = $8,000 + $19,200 = $27,200

Profit = Total sales - Total costs

Profit = (Selling price per unit * Number of units sold) - Total costs

Profit = ($120 * 240) - $27,200

Profit = $28,800 - $27,200

Profit = $1,600

The profit made when sales are 240 units is $1,600.

CVP Analysis:

Cost-Volume-Profit (CVP) analysis is a tool used to analyze the relationship between costs, volume, and profits. It helps in understanding how changes in sales volume affect profitability.

In this case, the CVP analysis can be performed using the given data:

Sales revenue = Selling price per unit * Number of units sold

Sales revenue = $120 * 240 = $28,800

Variable costs = Variable cost per unit * Number of units sold

Variable costs = $80 * 240 = $19,200

Contribution margin = Sales revenue - Variable costs

Contribution margin = $28,800 - $19,200 = $9,600

Contribution margin ratio = Contribution margin / Sales revenue

Contribution margin ratio = $9,600 / $28,800 ≈ 0.3333

Break-Even Point (BEP) in units = Fixed expenses / Contribution margin per unit

BEP in units = $8,000 / $40 = 200 units

Profit = (Selling price per unit * Number of units sold) - Total costs

Profit = ($120 * 240) - ($8,000 + $19,200)

Profit = $28,800 - $27,200

Profit = $1,600

By conducting a CVP analysis, we can determine the Break-Even Point, contribution margin, and analyze the profitability based on the given data.

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Answer:

What name is given to the process in which pre-mRNA is edited into mRNA? RNA processing

Explanation:

Answer:

A) True.

Explanation:

Capillaries then lead into small veins. Small veins lead to larger and larger veins as the blood approaches the heart. Valves in the veins keep blood flowing in the correct direction.

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The correct answers that describe the links between the environment and Covid-19 are options A. With the destruction of ecosystems, the natural barriers between host animals are reduced, B. We destroy ecosystems, creating channels for viruses to pass to humans, D. Destruction of biodiversity, F. Deforestation.

With the destruction of ecosystems, the natural barriers between host animals are reduced: The destruction of ecosystems, such as deforestation or habitat loss, can lead to increased contact between humans and wildlife. This close proximity increases the chances of zoonotic diseases, like Covid-19, transferring from animals to humans.

We destroy ecosystems, creating channels for viruses to pass to humans: Human activities that involve destroying natural habitats, encroaching upon wildlife, or engaging in the illegal wildlife trade create opportunities for viruses to jump species barriers and infect humans. Encroachment into natural areas can disrupt the balance of ecosystems, bringing humans in contact with new pathogens.

Destruction of biodiversity: Biodiversity plays a crucial role in maintaining healthy ecosystems and acting as a buffer against disease outbreaks. When biodiversity is reduced, ecosystems become more vulnerable, and the spread of diseases can be intensified.

Deforestation: Deforestation, the clearing of forests at a large scale, can disrupt ecosystems, displace wildlife, and increase the likelihood of contact between humans and potential disease-carrying animals. It can also lead to changes in local climate patterns, which may indirectly influence the spread of diseases.

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Answer:

I'll take it!

Explanation:

Answer:

He/She does not know the proper or correct answer and therefore does not make any attempt to answer. Or, he/she is busy. He/She knows the answer but perhaps has more pressing work or better priorities, and does not have the time to make the efforts to answer. Possibly he/she is unwilling.

Explanation:

ídk maybe its hard? ig...

Answer:

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows.

Shock is a defense response

The hormone released is adrenaline

But the body also releases the hormone (chemical) adrenaline and this can reverse the body's initial response. When this happens, the blood pressure drops, which can be fatal.

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Ecosystem, specialist species, niche, habitat, nonnative species, generalist species, extinction, Keystone species, indicator species, natural selection

An organism's home is known as its habitat, and its function in its environment is known as its niche. While niche focuses on how the creature effects the environment, habitat focuses on how the environment impacts the organism.

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Grasshopper's legs and frog's legs are considered examples of analogous structures because they serve similar functions but have different evolutionary origins. Analogous structures are structures in different species that have similar functions but do not share a common evolutionary ancestor.

Grasshoppers belong to the class Insecta and have six legs that are specialized for jumping. Their hind legs are elongated and adapted for powerful leaps, with muscular structures and specialized joints that allow them to generate and transfer energy efficiently.

While both grasshoppers and frogs have developed similar functional adaptations for jumping, their leg structures evolved independently and have different underlying anatomical features. This makes grasshopper's legs and frog's legs an example of analogous structures rather than homologous structures, which would indicate a common evolutionary origin.

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