HELP PLEASE WILL GIVE U 5 STARS

A research study on twins suggests that autism spectrum disorder (ASD) has a heritability estimate (h2) of 85%.

(a) First, how should we interpret this result? (1 pt)

(b) Second, list at least one limitation of heritability estimates? (1 pt, bullet point OK)

Since lizards cannot self-generate heat so the lizards are an example of ectotherm.

What is ectotherm?

Ectotherms are creatures whose internal physiological heat sources have a minor or nearly negligible impact on controlling body temperature. These species (like frogs, for example) rely on external heat sources, allowing them to function at very economical metabolic rates.

So as said in question, In biology lab, you are tasked with measuring the temperature of a small lizard, as it is moved from containers with different temperatures, light, and humidity. These elements require monitoring since lizards cannot self-generate heat. Therefore, lizards are an example of ectotherm organisms.

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Every enzyme has a different specific heat.

The amount of heat needed to raise a substance's temperature by one degree Celsius in one gramme is also known as specific heat. Typically, calories or joules per gramme per degree Celsius are used as the units of specific heat. For instance, water has a specific heat of 1 calorie (or 4.186 joules) per gramme per degree Celsius.

The notion of specific heat was developed by the Scottish scientist Joseph Black in the 18th century as a result of his discovery that equal masses of different substances required varying quantities of heat to raise them through the same temperature range. The French scientists Pierre-Louis Dulong and Alexis-Thérèse Petit showed in the early 19th century that measurements of a substance's specific heat allow one to calculate its atomic weights.

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Organelle found in mitochondrion cells that transforms chemical energy from food into molecules that are easier for cells to utilise.

A mitochondrion is a double-membrane-bound organelle found in the majority of eukaryotic organisms. The mitochondria use aerobic respiration to produce the majority of the adenosine diphosphate (adp), that is used as a source of chemical energy all through the entire cell.

The conventional role of mitochondria is oxidative phosphorylation, which generates ATP utilizing the energy released through the oxidation of the food we eat. ATP serves as the primary energy source for the bulk of biological pathways, including as growth, movement, and equilibrium.

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In order to communicate with your brain, they need chemical receptors in addition to neurons.

THE CHEMICAL SENSES Because both taste (gustation) and smell (olfaction) include sensory receptors that react to molecules in the food we consume or the air we breathe, they are referred to be chemical senses.

Taste, also known as gustation (for dissolved chemicals that reveal the palatability of food), and smell, sometimes known as olfaction, are the two most common categories of the external chemical senses (for airborne chemicals that inform about events at a distance). Humans' sense of taste is restricted to the mouth, particularly the tongue.

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All plant and animal cells include the chemical compounds adenosine diphosphate and adenosine triphosphate, sometimes known as nucleotides. The equation can be written as ADP + P + energy = ATP.

All plant and animal cells include the chemical compounds adenosine diphosphate and adenosine triphosphate, sometimes known as nucleotides.

A high-energy phosphate group is added to ADP to convert it to ATP for energy storage. The conversion occurs either in mitochondria, which are specialized energy-producing structures or in the cytoplasm, the fluid-filled space that lies between the cell membrane and the nucleus.

Adenosine diphosphate with inorganic phosphate plus energy results in adenosine triphosphate, which is the product of the conversion of ADP to ATP.

Therefore, All plant and animal cells include the chemical compounds adenosine diphosphate and adenosine triphosphate, sometimes known as nucleotides. The equation can be written as ADP + P + energy = ATP.

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Exocytosis does not involve a carrier protein because of this exocytosis differs from the pumping of calcium ions against a concentration gradient.

Thus, OPTION B is correct.

Exocytosis is an energy-dependent mechanism that moves material contained in vesicles outside of the cell. Exocytosis is a form of active transport that excludes the need of transfer proteins.

Exocytosis helps in removing toxin and waste products from the cell's interior , Facilitating cellular communication, facilitating cellular membrane growth, repair and signalling and migration.

The final stage of the secretory route, exocytosis, includes the fusing of vesicles with the plasma membrane and guarantees that lipids, membrane proteins, and enzymes that synthesize cell walls are delivered to active growth regions in fungi.

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Answer:

HERE'S YOUR ANSWER.

Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. It occurs concurrently with two types of nuclear division called mitosis and meiosis, which occur in animal cells.

Cytokinesis takes place in four stages: initiation, contraction, membrane insertion and completion. The events occurring within these stages differ in animal and plant cells.

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Answer:

Vacuole

Explanation:

hope this helps you out

Answer:

B) frontal and temporal

They are frequently linked to memory encoding and the processing of auditory information. The processing of affect/emotions, language, and some aspects of visual perception all require the temporal lobes. Thus, option B is correct.

The temporal lobes' primary duties include language comprehension, memory development, face and object recognition, perception, and the processing of auditory information.

The temporal lobe, which is located behind the frontal lobe and is divided from it by the lateral fissure, has sensory processing areas as well.

These areas are crucial for hearing, understanding language, and creating memories.

Therefore, frontal and temporal are the two lobes of the brain to allow a person to pick out the scent of a rose in a mixed bouquet of flowers.

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Suppose you provide an actively dividing culture of E. coli with radioactive thymine. If the cell replicates its DNA and divides once in the presence of the radioactive base then e. DNA in both daughter cells would be radioactive.

An E.coli divides itself into two daughter cells by splitting in two cells after the process of mitosis. If an actively dividing E.coli cell is treated with radioactive thymine, then we can infer that the radioactive base has been incorporated in its DNA if it is found in both the daughter cells of the actively dividing E.coli cell.

We will see the radioactive thymine in both the daughter cells because of the process of division of E.coli is mitosis as a result of which the parent and daughter cells formed are all genetically identical and copies of each other.

Although a part of your question is missing, you might be referring to this question:

Suppose you are provided with an actively dividing culture of E. Coli bacteria to which radioactive thymine has been added. What would happen if a cell replicates once in the presence of this radioactive base?

a. One of the daughter cells, but not the other, would have radioactive DNA.

b. Neither of the two daughter cells would be radioactive.

c. All four bases of the DNA would be radioactive.

d. Radioactive thymine would pair with nonradioactive guanine.

e. DNA in both daughter cells would be radioactive.

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In the given question where cytochemical stains were performed on bone marrow smears from an acute leukemia patient, the type of leukemia indicated is Myelomonocytic leukemia.

Cytochemical diagnosis of acute myelomonocytic leukemia

In a third group, leukemic cells contain both esterase in the same cell, and this group is thought to represent "true" myelomonocytic leukemia.

Blood and bone marrow smears from adult patients with acute leukemia were stained for esterase reactions sequentially with naphthol AS D-chloroacetate (chloroacetate esterase) followed by alpha-naphthylbutyrate (non-specific esterase). Two substrates were specific for granulocytes and monocytes, respectively.

This method allows her to distinguish between three subgroups of acute nonlymphocytic leukemia. Leukemia cells can be positive for either chloroacetate esterase or non-specific esterase, and the authors suggest that these two subsets can be divided into 'true' granulocytic leukemia and 'pure' monocytic leukemia.

In the majority of patients in this group, leukemia developed from the preleukemia stage. Using Romanovsky-stained smears alone, the monocyte-like features and absolute increase in monocyte count in acute granulocytic leukemia may lead the leukemia to be misdiagnosed as acute myelomonocytic leukemia.

This occurred in 5 of the 13 cases in the study. The presence of granulocyte- and monocyte-specific esterase in single cells supports the notion of a common origin for granulocytes and monocytes.

The authors conclude that the combined esterase reaction can distinguish between acute granulocytic leukemia, acute monocytic leukemia, and acute myelomonocytic leukemia.

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Answer:

I think the correct answer is D.

Although they are different species, woodpeckers and squirrels both live in holes in trees. The resources that these species compete for include space and shelter.

Woodpeckers are birds that build shelters on the trees while squirrels make holes in wood bark as their habitat.

Species living in the same environment often compete for the distribution of resources including food, shelter, space, and more.

Squirrels eat fruits, nuts, almonds, pecans, etc. while woodpeckers eat insects, nectar, corn, fruits, etc.

There is not so much competition for food but as they both live on trees, they compete for space and shelter.

as they belong to different species, so they don't compete for reproduction opportunities.

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Answer:

c

Explanation:

edge 2023

The Brain stem controls basic bodily functions like heart rate, blood pressure, and respiration. Brain stem connects brain to spinal cord. Thus, correct option is B.

Brain stem is also known as Medulla Oblongata. It is the lower half region of the brain. It controls all the vital processes.

The main function of medulla oblongata is the control of all the involuntary actions. If any damage happens to this region, the essential processes will be hindered.

Therefore, option B  Medulla oblongata controls all the functions of autonomous nervous system.

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The given question is incomplete, but most probably the options were:

a. Pons

b. Medulla Oblongata

c. Midbrain

d. Cerebrum

Answer:

A. Indicator Species

Explanation:

Pasteur's swan-neck flask experiment proved that spontaneous generation was false.

An experiment is a technique used to verify or disprove a theory, as well as assess the likelihood or effectiveness of something that has never been tried before. By showing what happens when a certain element is modified, experiments shed light on cause-and-effect relationships. The purpose and scope of experiments vary widely, but they all rely on a repeatable process and logical analysis of the outcomes. Additionally, there are research conducted through natural experimentation.

While teams of professionals may spend years conducting methodical research to increase their grasp of a phenomenon, a toddler may conduct simple experiments to discover how objects fall to the ground. In the science classroom, experiments and other practical activities are crucial to students' learning.

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Sea otters eat 25 percent of their body weight each day in the form of sea urchins, crabs, mussels, clams, snails and other invertebrates.

1 urchin that weighs around 15 grams provides 20 calories of energy.

So,

40 urchins = 800 calories of energy.

Similarly,

1 mussel = 146 calories of energy.

So,

12 mussels = 1752 calories of energy.

And,

1 crab = 381 calories of energy

So,

4 crabs = 1524 calories of energy

Hence, the total amount of calories consumed by the sea otter is equals,

= 4076 calories of energy per day approximately.

Female otter needs about 7,500 calories per day.

Therefore, the given diet does not satisfy this female otter's daily needs.

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Effects of corn distillers dried grains with plasma and xylanase on growth performance and digestibility of diet components in broilers.

Of the four basic states of matter, plasma is one. It comprises a substantial amount of ions and/or electrons, which are both types of charged particles. The main distinction between plasma and the other elementary forms of matter is the presence of these charged particles. Being largely linked to stars, such as the Sun, it is the most prevalent type of ordinary stuff in the universe. It reaches to the rarefied intracluster medium and perhaps even to areas outside of our galaxy. Heating a neutral gas or exposing it to a powerful electromagnetic field can produce plasma artificially.

Plasma is electrically conductive due to the existence of charged particles. Individual particle dynamics and macroscopic plasma motion are controlled by collective electromagnetic fields, and both are extremely sensitive to externally imposed fields.

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Answer:

yeah cause of its durability and the beauty of it i think

Explanation:

The part  A in the displayed picture stands in for protein. The right answer is 2. All the components given in the picture which is B ,C and D made protein which is displayed by  A.

In order to explain protein we can say that a diet rich in protein is crucial for good health. Amino acids, which are chemical "building blocks," make up proteins.

The body uses amino acids to make hormones and enzymes, as well as to build and repair muscles and bones. They can be used as a source of energy as well.

Meat, fish, poultry, eggs, lentils, and soy products like tofu are examples of foods high in protein.

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Your question is incomplete, the diagram is missing , refer below for the diagram.

Scientist make research to reduce the use of nonrenewable resources by using renewable sources and engineers work on manufacturing renewable resources CNG and ethanol fuel tanks etc.

Using electric and hybrid automobiles, installing solar panels on and well-insulating your commercial enterprise and home, and the use of strength-efficient home equipment are all smaller-scale adjustments that you can make to reduce your nonrenewable resource utilization.

A non-renewable useful resource is a herbal useful resource that cannot be simply changed through natural means at a pace quick and sufficient to hold up with consumption. An instance is carbon-based total fossil fuels. The unique organic be counted, with the resource of warmth and pressure, becomes gasoline including oil or gas

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There is lag phase before growth occurs at a level that is visible in the broth.

Slack stage is the most ineffectively perceived development stage, basically in light of an absence of information that depict the hidden physiological and sub-atomic cycles.

It has been expected that slack stage permits the variation expected for bacterial cells to start to take advantage of new natural circumstances. This interaction could incorporate the maintenance of macromolecular harm that collected during fixed stage  and the blend of cell parts vital for development.

In any case, these stay speculative conceivable outcomes, as the accessible physiological information essentially show that slack stage microscopic organisms are metabolically dynamic. Thusly, there are presently no physiological or biochemical models to characterize slack stage.

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The human population has changed since it first appeared on earth as b. the population has generally increased, and at rates that have varied over time.

The increase or decrease of a population depends on the environmental conditions and the factor of how a population tends to adapt to the changing conditions on the Earth.

The human population has managed to change over time with the changing conditions of the earth and they are able to implement adaptative changes into their genomes with time.

The human population has increased since the beginning of time as humans managed to make adaptations for themselves to survive in the changing conditions of the earth.

However, the rates at which the human population increased were not always the same. Sometimes, a factor such as an infectious disease caused the human population to grow slowly whereas other times, the growth was rapid.

Although a part of your question is missing, you might be referring to this question:

The human population has changed in ways that are similar to other populations. How has the human population changed since it first appeared on earth?

a. The population has generally increased at a relatively constant rate

b. the population has generally increased, and at rates that have varied over time

c. The population increases rapidly until it reaches carrying capacity, where it has remained for thousands of years

d. The population increases rapidly until it reaches carrying capacity, and then decreased at a constant rate

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Answer:

It's a carbohydrate more specifically It's a ribose C5H10O5

Answer:  Peat moss is undecayed plant material that forms thick mats.

Explanation: Peat moss is made over many years -- layer upon layer of partially decayed plant materials.

A feedback mechanism is a physiological control system in a living organism that functions to bring the body back to its stable internal condition, also referred to as homeostasis.

When a change in the system results in an output, the feedback mechanism is activated. Chemicals, genes, and the regulatory relationships between them make form the biochemical control system in living things.

There are two types of feedback mechanisms; these are positive and negative feedback mechanisms.

Feedback loop for dehydration.

A stimulus is reversed or turned off by negative feedback. Antidiuretic hormone, which acts to reduce urine production and enable the body to save fluids, is secreted when the body is dehydrated. Negative feedback stops the release of the antidiuretic hormone when the body's fluids are replenished.

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The defects we will most likely see in the mutant E.coli are C. a delay in DNA polymerase beginning the synthesis and D. a longer total time to replicate DNA.

The primase plays a crucial role in DNA replication as they are involved in the formation of primers. These primers are short RNA sequences that initiate transcription.

A mutation is a change in the DNA sequence. A mutation in the primase activity of E.coli will cause a delay in the process of replication, as without the formation of primers, DNA polymerase will delay its activity to synthesize a new strand by the addition of nucleotides. On the whole, it will take much longer for the replication process as the activity of DNA polymerase will take much longer.

Although a part of your question is missing, you might be referring to this question:

You have joined a lab studying DNA replication in E. coli. The graduate student you are working with has identified a mutation in primase that makes primase very inefficient. Your project is to characterize the cells with this mutation. Predict the defects you would most likely see in the mutant E. coli cells. Choose one or more: A. a delay in the unwinding of DNA B. rapid lagging-strand synthesis but slow leading-strand synthesis C. a delay in DNA polymerase beginning synthesis D. a longer total time to replicate DNA E. inefficient Okazaki fragment joining

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Answer:

Genotype of Parent 1: Aa

Genotype of Parent 2: aa

Probability of offspring having freckles: 50%

Explanation:

The genotypes of the parents are actually given in the Punnett Square. And, since out of 4 options 2 are all freckles, probability is 50%.

Answer:

Explanation: biodiversity

As the human population grows and demands more resources, biodiversity is threatened.

Biodiversity or biological diversity is the variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic, species, and ecosystem level.

Biodiversity is the natural world around us, and the variety of all of the different kinds of organisms - the plants, animals, insects and microorganisms that live on our planet.

Benefits to societies from biodiversity include material welfare, security of communities, resilience of local economies and human health. The benefits of biodiversity to humans are sometimes called 'ecosystem services.

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