"_____ championed the position called constructivism."

1 answer:

6 0

Piaget championed the position called constructivism. Constructivism is a theory on learning, which suggests that people acquire knowledge from their experiences and together with knowledge that they already have, construct their own understanding of these things. Piaget's theory extends over learning theories, teaching methods, and education reform.

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When plants make flowers, gene A is expressedin whorls 1 and 2, gene B is expressed in whorls 2 and 3 and gene C in whorls 3 and

Sati [7]

Answer:

The correct answer would be option D) no gametes.

Explanation:

The ABC model of the flower was formulated to describe the collection of genetic procedures that determines floral organs in several plants. These species consist of four whorls which are sepals, petals, stamens, and carpels. These whorls are expressed by the expression of a number of genes present in each whorl or verticli.

Gene A is solely responsible for the sepals while the co-expression of A and B genes are responsible for the petals. The identity of the stamens is expressed by B and C and the carpels require C and D genes to be active.

The homozygousity for a normal mutation in gene C will lead to inactive or lack stamens and carpels, which are male and female reproductive organs. These are an important structure for forming gametes.

Thus, the correct answer would be option D) no gametes.

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3 years ago

Name two types of cells

tresset_1 [31]

Answer:

Animal cells and plant cells

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3 years ago

4 A reaction that needs water,<br> macromolecules are broken down<br> ( biochemistry )

LenKa [72]

Answer:

Hydrolysis

Explanation:

Hydrolysis is a reaction that needs water to breakdown macromolecules into simpler units.

Macromolecules are giant polymers made up of several repeating monomeric units.

These units are too complex for the body to digest and derive nutritional benefits from them.
During hydrolysis, the complex is broken down into monomers.
The monomeric units are absorbable and useful for the body.

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A student writes two statements about the importance of soil.

Gnoma [55]

I'm not sure but it might be C

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What are the advantages to using prokaryotic as host systems for genetic engineering? What are the limitations to genetic engine

ahrayia [7]

Answer and Explanation:

The manipulation of the gene is called genetic engineering. In genetic engineering, fragments of genes are cloned by leading the genes into the host cell. The advantage of using a prokaryotic host system in genetic engineering is that bacterial cells are used to produce commercially significant products. For example, human growth hormone helps to treat dwarfism, and human insulin production, which is used to treat diabetes. The bacterium P.putida is created by genetic engineering, which is used to break down petroleum products. Genetic engineering also carries some potential risks, such as transferring the selected gene into another speice, benefit one species can harm another speice. Therefore genetic engineering must be used in limit in prokaryotes. These limitations are also addressable in single-cell eukaryotic systems. Biologics-based therapeutic medicines such as a vaccine, gene therapies, and cell therapies known as bioproduction are produced. Medicines are so complex that they can only be formed in a living system. Biopharmaceuticals, value-added food, fuels, chemicals, antibiotics, and many other products are produced by bioproduction.

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2 years ago