Describe how Mendel showed that the green-seed trait did not disappear but was only masked.

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Answer 1

Answer: Mendel had determined that the allele for green seeds had not vanished because after the second generation of yellow seeds, green seeds started appearing again. He logically concluded that the yellow allele was a dominant trait and the green allele was a nondominant trait.

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Explain what is a pathogen and why it can make someone sick?

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a python is a forgein body that enters the human body. (for example it's like pollen for people thay have allergies) it makes people sick becaise the body identifies it as a threat and tries to expell it

What are the major effects of the ozone hole?

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Well the climates are changing rapidly into more hot climates, which is why the glaciers and such are melting which might cause the world to be flooded.

Global Warming and Climate Change are the main effects of ozone hole

Mendel believed that during the formation of gametes the pair of genes controlling a trait separate he called this the principle of

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One of two principles of heredity, first formulated by Gregor Mendel,founded on his experiments with pea plants and stating that the members of a pair of homologous chromosomes segregate during meiosis and are distributed to different gametes. Also called law of segregation, principle of segregation.

A biological membrane is selectively permeable in that it can, to some extent,control which substances pass through it. Based ont he information provided in Book 5, describe the general structure of a biological membrane making particular reference to the signiﬁcance of the hydrophobic and hydrophilic properties of the major biological molecule component of membranes.Explain how this membranes tructure results in the essential property of semi-permeability. Your answer should include a brief, simple explanation of the term diffusion in the context of cell membranes.Could anyone give me an idea how to answer this question?
Thank you!

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Cell membranes are composed of what we call a "phospholipid bilayer" composed of phospholipids. Phospholipids have a hydrophillic (‘water loving’) head and a hydrophobic (‘water fearing’) tail. Water can get close to the hydrophillic head while it cannot pass through the hydrophobic tail, thus protecting the cell from foreign substances it does not need. Because of this dual property, the membrane can choose what substances may enter through it and this is what constitutes its semi-permeability.

One of the ways substances can enter through the membrane is through passive transport or diffusion, the movement of substances from higher concentration to lower concentration. This process does not require energy. Substances like oxygen and water easily diffuse through channel proteins when the concentration outside the cell is higher than the inside.

The kinesthetic system is the sensory system that involves ___________.a. the bones in the middle ear and inner ear
b. information from the muscles and joints
c. the sensory receptors in the vestibular sacs
d. information from the olfactory cilia

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The correct answer is option c. the sensory receptors in the vestibular sacs.

The kinesthetic system is involved in the movement and the balancing of the body. The mechanoreceptors present in the inner ear helps in determining the balance and the maintenance of the postures.

The vestibular sac have utricle and saccule, which help in the detection of the changes in linear acceleration. The semilunar canal present in inner ear respond to angular moments

Answer:

Explanation:

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Which plant cell structure stores large amounts of chemicals including salts, minerals, proteins, and water for the cell and helps the cell maintain its shape? plastids chloroplasts central vacuole cell wall

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The correct answer to the question above is central vacuole. Central vacuole is the plant cell structure that stores large amounts of chemicals which includes salts, minerals, proteins, and water for the plant cell, and helps the cell to maintain its shape.

Answer:

Which plant cell structure stores large amounts of chemicals—including salts, minerals, proteins, and water—for the cell and helps the cell maintain its shape? central vacuole

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