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juin [17]
2 years ago
6

Movements within the large intestine are due to ----- muscle contractions

Biology
1 answer:
Ira Lisetskai [31]2 years ago
7 0
Involuntary as the muscle is a reflex
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Fungi are considered to be more closely related to animals rather than plants because they A. are photosynthetic. B. aren't mobi
garik1379 [7]
C. can't make their own food.
Fungi are considered to be more closely related to animals rather than plants because they
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A. are photosynthetic. B. aren't mobile. <span>D. are multicellular.</span>
5 0
3 years ago
Compared the Mendelian Dominance, how to incomplete dominance and codominance increase the number of phenotypes? Provide an exam
REY [17]

Answer/Explanation:

<h3>Incomplete dominance</h3>

In incomplete dominance, one allele is not entirely dominant over the other, so heterozygotes (organisms with two different alleles for the gene) show an intermediate or blended phenotype.

For example, consider flower colour.

  • If the allele for red flowers (R) was dominant over the allele for white flowers (r), then there are three possible genotypes (RR, Rr, and rr) and two possible phenotypes. (Red (RR and Rr) and white (rr)).
  • However, if the allele for red flowers (R) was incompletely dominant over the allele for white flowers (r), then there are three possible genotypes (RR, Rr, rr), and three possible phenotypes (red (RR), white (rr), and pink (Rr))
<h3>Co-dominance</h3>

In incomplete dominance, two alleles are both expressed, one is not dominant over the other. Therefore, heterozygotes (organisms with two different alleles for the gene) express both traits.

For example, consider flower patterns.

  • If the allele for spots (F) was dominant over the allele for stripes (f), then there are three possible genotypes (FF, Ff, and ff) and two possible phenotypes. (Spots (Ff and ff) and stripes (ff)).
  • However, if the allele for spots (F) was co-dominant to the allele for stripes (f), then there are three possible genotypes (FF, Ff, ff), and three possible phenotypes (spots (FF), stripes (ff), and spots and stripes (Ff))

8 0
2 years ago
What is the major cause of phytoplankton blooms in the Gulf of Mexico?
3241004551 [841]

Answer:

Excessive nutrients from fertilizer run off.  

Explanation:

Scientists have suspected that phytoplankton blooms might be connected to agricultural run-off. They got some evidence from a recent study by comparing the timing of irrigation along the west coast of Mexico and phytoplankton blooms in Mexico’s Sea of Cortez. During the comparison, they had found a close correlation. Phytoplankton blooms occurred in the Sea of Cortez shortly after the irrigation. This happened because of carried fertilizers after irrigation and other agricultural run-offs into the sea.

The bloom detected in the Gulf of Mexico on December 13 might be similarly linked to agricultural run-off.

3 0
2 years ago
How are amino acids assembled during translation?
tester [92]
TRNA reads codons from mRNA and then brings attached amino acids accordingly. Amino acids are connected in long chains called proteins.
3 0
3 years ago
Read 2 more answers
If 30% of the bases in human DNA are A, (a) what percentage are C? (b) What percentage are T? (c) What percentage are
galina1969 [7]

Answer:

DNA is present as genetic material in all the living organism except some virus. DNA structure follows the Chargaff's rule in which states that the ratio of pyrimidines to purines is equal to 1.

So, amount of adenine will be equal to thymine. If adenine is 30% then thymine is also 30%. Total amount of DNA is 100%. Cytosine and thymine are also equal in the DNA molecule. The total amount of cytosine and guanine is 40%. The amount of cytosine is 20% and the amount of guanine is also 20%.

Thus, thymine is 30%, cytosine is 20% and guanine is 20%.

7 0
3 years ago
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