. wil give brainlist!!Summarize the main contributions of Copernicus, Brahe, Kepler, Galileo, and Newton.

1 answer:

5 0

Copernicus is often described as a lone astronomer who defiantly argued that the sun, not the Earth was at the center of the cosmos. Copernicus' contributions to astronomy are so significant that they warrant their own term: The Copernican Revolution.

, Brahe put forward a new model for the cosmos. In Brahe's model, all of the planets orbited the sun, and the sun and the moon orbited the Earth. Keeping with his observations of the new star and the comet, his model allowed the path of the planet Mars to cross through the path of the sun.

Kepler worked for Tycho Brahe, publishing an extensive amount of Brahe's data in Rudolphine Tables. Although he used much of that data for his own publications Kepler's work would significantly depart from Brahe's.

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In a pedigree, an affected male would be designated by:.

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a shaded square

Explanation:

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2. What is the complementary DNA sequence for the following DNA strands? Write the sequence of the complementary strand below th

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Answer:

CGTATC - DNA complementary strand- GCATG

CTTTCAAG- DNA complementary strand-GAAAGTTG

GAGACTTAC-DNA complementary strand-CTCTGAATG

Explanation:

Remember that the complementary sequence will be based on base pairing for DNA, so the A will pair with T, C with G

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"You discover a new species of snail, Biologica terificia, and find that its haploid number is 4 (n = 4). The somatic cells of B

Georgia [21]

Answer:

8 chromosomes

Explanation:

Diploid state is when an organism have two set of chromosomes (2n) i.e. combination of two haploid (n) gametes containing one set of chromosome each. Sexually reproducing organisms whose somatic or body cells are diploid (2n) undergo meiosis to produce gametes or sex cells with haploid number (n).

Therefore, in the newly discovered Biologica terificia species of snail, if the haploid state (n) of their gametes is 4, then their diploid (2n) somatic cells must be 4 × 2 = 8.

The question specifies the chromosomal number at the G1 phase of Interphase. At this stage, the cell is preparing to undergo division by increasing in size and duplicating its organnelles but not yet its genetic material which is not until the next phase called S-phase. Hence, the chromosome number of somatic cells remain 8 at the G1 phase.

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