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mr_godi [17]
3 years ago
11

If all organisms are composed of cells then, which set of organisms are considered cells

Biology
1 answer:
zvonat [6]3 years ago
6 0

Explanation:

<h3>A living thing, whether made of one cell (like, bacteria) or many cells (like, a human) is called an organism. Thus, cells are the basic building blocks of all organisms.</h3>
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Which body system includes vitamin D production and protection against pathogens and excess water loss?
Fantom [35]

Answer:

A. Integumentary system

Explanation:

The integumentary system consists of the skin,hair and nail. This system consists of the largest organ in the body. The skin helps in protection against pathogens by shielding the internal body system from external objects.

The skin also helps in Vitamin D production through sunlight.

It also helps to prevent dehydration through regulation of water loss.

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3 years ago
When and where was the possibility of growing thornless varieties of plants discovered?
m_a_m_a [10]
<span>The discovery of thornless plants was made around the turn of the 20th century. To name one such thornless plant, particularly, the Blackberry plant, the deviation from the thorned blackberry canes were discovered in the United States. Since then, several different thornless blackberry varieties have been cultivated for fruit gardens.</span>
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3 years ago
Does high tide happen at full moon?
ki77a [65]

Answer:

Yes, high and low tide are affected by the moon.

4 0
3 years ago
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If a small droplet of ordinary fat molecules is suspended in water, the fat molecules form a "ball of spaghetti" with no particu
kolbaska11 [484]

Answer:

Option 1, a charged end and a noncharged end

Explanation:

Complete question

If a small droplet of ordinary fat is suspended in water, the fat molecules form a "ball of spaghetti" with no particular orientation. But if a droplet of phospholipid molecules is put in water, all the molecules point outward, toward the water. Phospholipids are forced into this orientation because phospholipids have _____

  1.  a charged end and a noncharged end
  2.  three fatty acid molecules, all pointing in different directions
  3.  two fatty acid molecules pointing in different directions
  4.  both a saturated fatty acid and an unsaturated fatty acid
  5.  two charged ends

Solution

The structure of phospholipids consists of the following groups and molecules –  

a) A glycerol molecule  

b) Fatty acids (2 in numbers) – It is hydrophobic as it is uncharged and non polar in nature

c) Phosphate group (with alcohol) – It is hydrophilic as it is negatively charged and polar in nature.  

When the phospholipids are placed in  water, the molecule rearranges itself in a way that the hydrophobic head face inside and the hydrophilic head face outside thereby forming micelles.

Hence, option 1 is correct

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3 years ago
Kip studies flower color in petunias, where the allele for red flowers, R, is dominant to the allele for white flowers, r. If Ki
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What is tRNA involved in?

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3 years ago
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