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Butoxors [25]
3 years ago
14

What determines retention factor (Rf) ?

Biology
1 answer:
riadik2000 [5.3K]3 years ago
5 0

Answer:

Rf valuues and reprroooducibility can be affected by a number of different factors such as layer thickness, moisture on the TLC plate, vessel saturation, temmperature depth of mobile phase, nature of the TLC plate sample size, and solvent parameters. These effects normally cause an increase in Rf values

Explanation:

also sorry for bad typing

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2. What structures or abilities are essential to the success of organisms who do not use
aev [14]

Answer:

Ability to perform locomotion with their legs

Explanation:

Plants and animals are two distinct species of organisms. Plants are capable of using photosynthesis to obtain their food due to the unique structures that can capture light energy in their cells (autotrophic). Animals, on the other hand, are heterotrophic i.e. cannot perform photosynthesis and therefore, rely on other organisms for food.

Since animals depends on eating other organisms to obtain food/energy, their possession of LEGS or ability to LOCOMOTE is very instrumental to their success as non-photosynthetic or heterotrophic organisms. This enables them leave one position in search for food and resources

6 0
3 years ago
The muscles of the digestive tract are called smooth cardiac muscles? true or false
Blababa [14]

Answer:Smooth muscle or “involuntary muscle” consists of spindle shaped muscle cells found within the walls of organs and structures such as the esophagus, stomach, intestines, bronchi, uterus, ureters, bladder, and blood vessels.

Explanation:

Smooth muscle or “involuntary muscle” consists of spindle shaped muscle cells found within the walls of organs and structures such as the esophagus, stomach, intestines, bronchi, uterus, ureters, bladder, and blood vessels.

8 0
3 years ago
A group of snails (of the same species) lives in a garden that also includes beetles and tomato plants. what level(s) of ecologi
777dan777 [17]
<span>The group of snails would represent the "population" level of ecological organization. A single snail would represent and Individual. The snails and beetles would represent a community, and the garden itself with the various creatures would represent and ecosystem.</span>
8 0
3 years ago
I need help please and thank you!
kotegsom [21]

Answer:

those cause by bacteria

Explanation:

Antibiotics fight bacterial infections either by killing bacteria or slowing and suspending its growth. They do this by: attacking the wall or coating surrounding bacteria. interfering with bacteria reproduction.

5 0
3 years ago
Read 2 more answers
Martha can produce eggs however the eggs cannot pass into the uterus. Which part of her body is not functioning correctly
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Answer:

B. fallopian tubes

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