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s2008m [1.1K]
3 years ago
11

Alice put identical bean seedlings in paper cups with good soil. She covered each cup with a different transparent plastic -clea

r, red, green, and blue. She set the cups in the sun, watered them identically, and kept a record of the height of each plant.
What is the control of this experiment?
Biology
1 answer:
KonstantinChe [14]3 years ago
5 0

Answer:

recording the height of the plants

Explanation:

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The molecule ATP is composed of elements that are usually found in organic molecules. Which of the following is one of the eleme
fomenos

Explanation:

ATP is the short form of Adenosine Triphosphate. The molecule is made up of three basic things:

  • Adenine ring
  • Ribose sugar
  • Three phosphate groups(triphosphate)

This molecule is provides the energy needed for life processes when broken down.

The elements that makes up ATP are:

  1. Carbon(C)
  2. Hydrogen(H)
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Learn more:

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4 0
3 years ago
the steps of self pollination. In your own words, describe what happens in each step. pls give me 5 step in order
Mekhanik [1.2K]

Answer:

Steps are down below

Explanation

1. A small grain of pollen goes onto the stigma

2. Insects go into flowers and brush against the anther and is coated with pollen.

3. Pollen may fall onto the stigma of the next flower

4. Pollen falls onto the stigma of next flower

5. A small seed forms in the ovary of that plant

4 0
3 years ago
Describe one type of factor that controls cell division.
irina [24]
The cell cycle is controlled by many cell cycle control factors, namely cyclins, cyclin-dependent kinases (Cdks) and cyclin-dependent kinase inhibitors (CKIs). Cyclins and Cdks, which are positive regulators of the cell cycle, activate cell cycle factors that are essential for the start of the next cell cycle phase.

Factors Affecting Cell Division
Nutrients. The nutrients present in the cell affect cell division. ...
Genetics. Genetic code regulates cell division. ...
Chemicals. Exposure to toxic chemicals such as pesticides and some cleaning chemicals can cause cell mutation. ...
Stress. Stress affects cell division.
7 0
2 years ago
Thick mucous gland secretions, elevated sweat electrolytes, meconium ileus, and difficulty maintaining and gaining weight are as
Hoochie [10]

Answer:

The correct option is the number 2. Cystic fibrosis

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Cystic fibrosis is a hereditary disease that affects the glands that produce mucus, sweat and digestive juices, this genetic disorder makes the secretions more sticky and thick, they accumulate and produces blockage in the tubes, ducts and passages, in particular in the lungs and pancreas.

The mucus block the ducts that carry digestive enzymes from the pancreas to the small intestine. Without these digestive enzymes, the intestines are not able to completely absorb nutrients in the food. The result is often, little increase in weight and growth, intestinal obstruction, particularly in newborns (ìleo meconium), among others.

Cystic fibrosis also affects the epithelial cells of the sweat glands, children suffering from this disorder may have a kind of salt layer on the skin. They can also lose abnormally high amounts of salt when they sweat on hot days.

4 0
3 years ago
Dogs have a reduced nonfunctional digit on their paws known as a dewclaw. What is this an example of?
luda_lava [24]
A vestigial organ, something that has yet to fall prey to evolution, but no longer serves a purpose, or the purpose it used to serve.
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3 years ago
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