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DENIUS [597]
2 years ago
15

Whistling is considered bad luck among mariners because it challenges the wind. Where did this idea most likely come from?

Biology
1 answer:
allsm [11]2 years ago
6 0
The idea most likely come from superstitious belief. Superstitious belief refers to a widely held but irrational belief in supernatural influences which lead to either good or bad outcome. Some superstitions originated from traditions, stories, folklore, myth, legends, etc. The belief that whistling on board brings bad luck is one of the sailors' superstitions. 
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3 years ago
What is the scientific name for starch
Daniel [21]

Here is its complicated name: (2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-oxane-3,4,5-triol

And here is its other name: amylum

7 0
3 years ago
What holds non-sister chromatids of homologous chromosomes together in prophase i of meiosis?
inysia [295]

The correct answer is: The synaptonemal complex.

Non-sister chromatids are chromatids from two homologous chromosomes. In prophase I of meiosis two homologous chromosomes pair and this pairing is called synapsis. This allows possible crossing over to occur. Two non-sister chromatids are connected in synapsis by a protein-RNA complex called the synaptonemal complex.

Crossing-over or the physical exchange of chromosome parts might occur and bring to genetic recombination. The sites of crossing-over between nonsister chromatids and are called chiasmata.

8 0
2 years ago
Which part of fried shrimp provides the most energy in the form of glucose to help power cellular respiration
Serjik [45]

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6 0
2 years ago
If the horse (Equus caballus) has 32 pairs of chromosomes, and the donkey (Equus asinus) has 31 pairs of chromosomes, then 63 ch
tatyana61 [14]

Answer:

True

Explanation:

During meiotic division involved in the formation of the gametes in organisms. The meiotic division reduces the number of chromosomes by half during gamete formation.

In the given question, Horse contains 32 pairs of chromosomes or 64 chromosomes and the donkey contains 31 pairs of chromosomes or 62 chromosomes.

The gametes of a horse through meiotic division will contain 32 chromosomes and gametes of a donkey through meiotic division will contain 31 chromosomes.

When these gametes will fuse then zygote will be formed with 32+ 31 = 63 chromosomes. Since the mule contains 63 chromosomes, therefore they are sterile organisms.

Thus, true is the correct answer.

6 0
2 years ago
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