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svet-max [94.6K]
3 years ago
14

One character in peas that Mendel studied was yellow versus green seeds.

Biology
1 answer:
Tamiku [17]3 years ago
7 0

Answer: The F1 plant will produce 50% Y and 50% y gametes.

Explanation:

Meiosis is a process in which a cell reduces the number of chromosomes in half, in order to prepare for sexual reproduction. So, in this case we have a heterozygous plant which will end up with 50% Y and 50% y gametes according to Mendel's segregation law.

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You just came back from a class in which the topic was egocentrism in the preoperational stage. You have a 4-year-old and though
joja [24]

Answer:

Option B

Explanation:

Question -

You just came back from class in which the topic was egocentrism in the preoperational stage. You have a 4-year-old and thought that you would see if what you learned was accurate. You are sitting directly across from her and ask her to look at the front and back cover of her favorite book. After she did this you asked her to describe "the part of the book I am looking at." What does she tell you?

a) how many pages there are in the book

b) what she sees

c) what you see

d) what the story is about

Solution

As per Piaget's theory of cognitive development, when a child is at the preoperational stage he/she is able to think only at symbolic level and cannot use his/her cognitive thinking.  

He/she is unable to derive senses or meaning associated with symbols and also his/her communication is egocentric which means they cannot think from the perspective of other people.  

Hence, option B is correct

4 0
3 years ago
The ___________ propel debris-laden mucus away from lower respiratory system structures.
Aliun [14]

The cilia propel debris-laden mucus away from lower respiratory system structures.

<h3>What is function of mucous membrane?</h3>
  • Another general defense against possible infections is provided by the mucous membranes that line the digestive, urinary, and respiratory tracts, as well as the nose, mouth, and lungs.
  • In order to cover and protect the more delicate cell layers underneath it and to trap waste and particle matter, including microorganisms, mucous membranes are made up of a layer of epithelial cells connected by tight junctions.
  • Because they feature ciliated appendages, which resemble hairs, the epithelial cells lining the upper portions of the respiratory tract are known as ciliated epithelial cells.
  • Mucus that contains debris is forced out and away from the lungs by the cilia's movement. The mucus is then coughed up, sneezed out, or swallowed and destroyed in the stomach. The mucociliary escalator is another name for this route of elimination.

Learn more about the Mucous membrane with the help of the given link:

brainly.com/question/25968581

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8 0
2 years ago
Anyone wanna have fun? tyg ekkj qhd​
11111nata11111 [884]

?????? what do u mean by that

7 0
2 years ago
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A series of enzymes catalyze the reaction X → Y → Z → A. Product A binds to the enzyme that converts X to Y at a position
pishuonlain [190]

Answer: C. A substrate

Explanation:

A substrate is a substance on which an enzyme act. The enzyme acts on substrate X and converts it to Y.

5 0
3 years ago
which is true ? A.All organisms obtain water through food B.some substances must be dissolved in water before they can be used C
tankabanditka [31]
B. some substances must be dissolved in water before they can be used
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3 years ago
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