In the human cerebral cortex, the pruning of dendrites and axon terminals occurs last in _______ cortex.

Answer:

Explanation:

Answer: Relatively large blocks indicate that the soil resists penetration and movement of water.

Explanation:

They are commonly found in the B-horizon where clay has accumulated.

In glycolysis, a glucose molecule is split into two molecules of pyruvate and energy is harvested as ATP and NADH.

The process of glycolysis is the first stage of cellular respiration. Cellular respiration is the process through which glucose and oxygen react to produce energy in the form of ATP as well as NADH for the cells to function.

During the process of glycolysis, the glucose molecule is broken down. Energy is released by this breaking down of glucose. The glucose breaks into two pyruvate molecules.

The process of glycolysis occurs in the cytosol of a cell and it is a complex process with a series of steps.

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Answer:

Louis Pasteur effectively disproved the spontaneous generation concept by performing research that displayed exposure to fresh air was the trigger of the microbial growth.

Explanation:

Growing tree roots physically break apart rock are the tree agents of mechanical weathering. So, the correct option is (A).

Mechanical weathering is also called physical weathering in which a large rock breaks down into smaller pieces of rocks. When rocks decompose or break down without experiencing any change in their chemical composition, it is known as mechanical weathering.

There are 3 Mechanical Weathering Processes which break down rocks

The roots of a plant grow into a crack in a rock. When these roots grow, they open the crack. Burrowing animals can also cause weathering. The animal may break the rock to dig for food or make a hole to live in.

Thus, growing tree roots physically break apart rock are the tree agents of mechanical weathering. So, the correct option is (A).

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Answer:

206 bones in the adult human

Answer:

The Canals made shipping more efficient, but as an unintended consequence also allowed rapid expansion of the zebra mussel's range. By the 1830s, these mussels covered much of Europe and Britain.

Successful introduction of zebra mussels into the Great Lakes probably occurred in 1985 or 1986, after transoceanic ships discharged contaminated ballast water from foreign ports into lakes St. Clair and

Zebra mussel is a freshwater organism that belongs to the phylum Mollusca and is invasive species. They can spread quickly as they are small and can spread by the water current.

Zebra mussels are the Molluscans that are composed of the outer hard shell and are found in the freshwater rivers and lakes. It was unintentionally transported to the new ecosystem.

They are small and free-swimming organisms that can easily flow and transport through the water currents and can easily attach to the surfaces of the rocks, fishes and vessels.

Therefore, zebra mussels can spread quickly.

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#19

Polar nuclei fuse to produce Diploid secondary nucleus.

#20

After fertilisation the antipodal cells undergo meosis

#21

In which of the following double fertilisation occurs.

Ans:- Angiosperm s

#22..

In angiosperms pollen grains germinate on the Anther.

Answer:

q.19 Diploid Secondary nucleus

q.20 Undergoes miosis

q.21 Angiosperms

q.22Anther

Answer:

C6H12O6 + 6O2 yields 6CO2 + 6H2O + energy

Explanation:

1. any substance that kills germs

ans. germicide

2. drugs that attack specific bacteria

ans. antibiotics

3. substance that attacks fungi

ans. antifungal agents

4. chemical that destroyed pathogens inside the body

ans. anti-infective

Answer:

CATGC

Explanation:

There are four bases in DNA: adenine (A), cytosine (C), guanine (G) and thymine (T) and they form base pairs. A pairs with T and C pairs with G.

PD linked mutation may cause neurodegeneration via different mechanism.

A novel mutation in the α-Synuclein (α-Syn) gene "G51D" was recently identified in two familial cases exhibiting features of Parkinson's disease (PD) and multiple system atrophy (MSA)

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Answer:

C. Electromagnetic energy is transformed into chemical energy

Explanation:

Plants are capable of producing its own food and use energy from sunlight. Light energy is a part of electromagnetic energy.

Answer:

A

its just the letter A......

Mutant and wild type is recessive allele In a heterozygous condition, the allele that is not expressed. Wild type An individual having the normal phenotype.

The phenotype generally found in a natural population of organisms. mutant An individual having a phenotype that differs from the normal phenotype.There is some difference between wild type and mutant and wild type is an individuals with normal phenotype possessed by the majority of the natural population and  mutant is an individuals with a phenotype that varies from the normal population.

Mutant allele which produces a nonfunctional protein/ protein with decreased function, that type of allele is recessive.

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Answer:

Control environment is the most important procedures for getting good results.  

Explanation:

The control environment for an experiment is the essential part for getting good results. In control environment, there is no or less chances of infestation from the external environment which can cause the results of the data more acceptable. So the scientists prefers laboratory for performing experiment as compared to outer environment. So in my opinion for getting better results, the control environment is the most necessary experimental procedure.

Yes, for getting better results I think there is a step that could have been added to the procedure is to follow the international standard procedures for taking the readings by the experimenter.

Answer:

1. Describe at least one part of the experimental procedure that you thought was essential to getting good results. Did you find that certain steps in the procedure had to be followed carefully in order to get consistent results? If you wanted better results, do you think there is a step that could have been added to the procedure?

   - Having a controlled environment (like in the Phet lab) is the most important procedure for getting good results.

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2. Discuss your thoughts on the overall lab design. Did it help you understand the concepts better, or did it raise more questions? Do you think you could have designed a better experiment? If so, explain how and then discuss it with your classmates. Share some of your knowledge with them or learn a little more about the experiment you just did.

   - The overall lab design helped me understand circuits and current so much better. No, the experiment was well-designed and very helpful to my progress through the unit.

Explanation:

a p e x :))

C. They both have cell membrane

Answer:

the mitochondria cell

Explanation:

In particular, glucagon boosts de novo glucose production (gluconeogenesis), enhances hepatic conversion of glycogen to glucose (glycogenolysis), and inhibits glycogen synthesis and breakdown (glycolysis) (glycogenesis)

In vivo hepatic glucose production (HGP) during fasting, exercise, and hypoglycemia is primarily regulated by glucagon. Additionally, glucagon contributes to the restriction of hepatic glucose uptake and the development of the hyperglycaemic phenotype linked to insulin resistance and insufficiency.

Upon entering the liver, glucagon encourages the conversion of glycogen to glucose (glycogenolysis), encourages the synthesis of glucose (gluconeogenesis), discourages the creation of glycogen (glycogenesis), and ultimately mobilizes the export of glucose into the bloodstream. In light of this, glucagon offers an essential reaction to hypoglycemia.

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The one that is in Milankovitch cycles changes in Earth’s tilt. The correct option is C.

The eccentricity of Earth's orbit, the obliquity of its axis with respect to its orbital plane, and the direction of its spin axis are all factors that are considered in Milankovitch cycles (its precession).

The Earth's orbit, axial tilt, and wobble change over long periods of time due to Milankovitch cycles.

Long-term climate changes are influenced by these variations. They kick off ice ages and naturally occurring periods of global warming.

Eccentricity, obliquity, and precession are the three components of Milankovitch cycles. Eccentricity is a term used to indicate how elliptically the Earth's orbit around the Sun varies from being circular.

Thus, the correct option is C.

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Answer:

Photosynthesis converts Light and chemical energy in to food-energy molecule sugar and gives off Oxygen

Explanation:

6CO2 + 6H2O → C6H12O6 + 6O2

Photosynthesis is a chemical reaction that takes place inside a plant, producing food for the plant to survive.

Carbon dioxide, water and light are all needed for photosynthesis to take place.

Photosynthesis happens in the leaves of a plant.

Answer:

a. teh use of a electrophoresis machine after the dna has been processed using enzymes would give the bands shown on the gel

b.the bands from teh jeans and shirt show that the shirt was made from materials taht include teh material the jeans were made from

c. a prosecutor may conclude to the jury that the defendant had blood only on their shirt

The brief pathway of blood through heart is as follows: Right atrium> SA node> Atrioventricular valves> Right ventricle> Semilunar valves.

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Jaguar would use the following six steps to forecast for the new S-type Jaguar:

1. Environmental Scanning: This process involves the gathering of information on all external factors that might affect the production and sale of the S-type Jaguar. This can include economic trends, political factors, and social factors such as changing lifestyles or consumer trends.

2. Market Segmentation: This process involves dividing the target market for the S-type Jaguar into smaller, more manageable groups based on specific demographic, geographic, and psychographic variables.

3. Forecasting Demand: This process involves using statistical tools and market research data to estimate the level of demand for the S-type Jaguar.

4. Setting Objectives: This process involves setting clear objectives for the production and sale of the S-type Jaguar, such as sales targets or market share goals.

5. Developing a Marketing Plan: This process involves developing a marketing plan that outlines the steps that will be taken to achieve the objectives set out in the previous step.

6. Implementing and Monitoring the Plan: This final step involves putting the marketing plan into action and monitoring its effectiveness to ensure that the objectives are being met and any necessary adjustments can be made if necessary.

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Explanation:

Advantages and Disadvantages of Geothermal Energy: Geothermal Energy is a source of energy that is sustainable and renewable and still majorly untapped. As a resource that is environmentally friendly, it has the potential of meeting the cooling, heating, and electricity demands of the future. There are a number of pros of geothermal energy but on the other hand, some challenges that have to be overcome for fully exploiting this natural resource.

A structure that evolves in one context but becomes adapted for another function is an example of Exaptations

An exaptation is a structure of an organism that originally evolved as a feature to provide adaptation to a certain condition, but which, once consolidated (for example, several million years later) begins to be used and perfected in pursuit of a new purpose, which, sometimes, is not related at all to its original function.

An example is the feathers of birds.  Feathers are an exaptation becasue they  were originated to maintain body temperature more efficiently.

However, feathers became later fundamental as a flying structure.

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