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Biology

1 answer:

erastova [34]4 years ago

8 0

Answer:

the last one, hoped I helped ^v^

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the subjective intensity of pain is to _____ as the unpleasantness of pain is to _____.

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Suggestions (hypnotic) to inc/dec subjective intensity affected participants' ratings of both subjective intensity and unpleasantness (affect component of pain). Changes seen in S1, somatosensory receiving area. Suggestions to inc/dec unpleasantness affected participants' ratings of unpleasantness but NOT intensity. (less suffering). Changes seen in ACC, anterior cingulate cortex. 1st condition, suggestions to affect intensity created changes in activity in S1, the somatosensory receiving area. 2nd condition saw changes in ACC, anterior cingulate cortex Nalaxone.

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professor190 [17]

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Osmosis is the diffusion of water molecules across a permeable membrane from an area of higher concentration of water molecules to an area of lower concentration of water molecules concentration until equilibrium is reached

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3 years ago

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The ant, Myrmecia pilosula, is found in Australia and is named bulldog because of its aggressive behavior. It is particularly in

Inessa [10]

Answer:

The question lacks the illustrative diagram, the diagram has been attached as an image.

The correct answer, according to the picture is A.

Explanation:

All cells undergo division (mitosis or meiosis). Meiosis reduces the chromosomal number of the daughter cells by half. According to the question, The female species of Myrmecia pilosula ant has diploid cells total number of 2 chromosomes.

At the metaphase stage of meiosis I, homologous chromosomes (similar but non-identical chromosomes received from each parent) aligns at the center/equator of the cell called METAPHASE PLATE. This alignment is done when spindle fibres attach to the kinetochores of the chromosomes.

Option A in the diagram depicts this arrangement of homologous chromosomes in the centre of the cell. Note that, each chromosome has replicated to form SISTER chromatids held together at the centromere. These chromosomes will be pulled apart in the next stage (Anaphase).

Option B depicts only one replicated chromosome

Option D depicts separation of sister chromatids (only one chromosome)

Option E depicts separation of sister chromatids of two chromosomes which occurs in the Anaphase of meiosis II