BIOLOGY HIGH SCHOOL

One parent has curly hair, the other has straight hair, and their child has wavy hair. This is an example ofA. incomplete dominance.
B. polygenic inheritance.
C. codominance.
D. multiple allele traits.

Answers

Answer 1
Answer:

Answer: The correct answer is- A) Incomplete dominance.

Incomplete dominance means neither of the allele ( that is dominant and recessive allele) shows its phenotype complelety. In other words, no allele is completely dominant and a heterozygous condition produces an intermediate phenotype that lies between a dominant and a recessive trait.

As per the question, the phenotype of parents are - curly hair and straight hair.

As child expresses and intermediate phenotype that is wavy hair, therefore it is an example of incomplete dominance.      

Answer 2
Answer: Incomplete dominance

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Explain how a leaf is like a factory?

Answers

I guess a leaf is like a factory in that it has processes that work within the leaf and that substances are produced from the leaf. The chlorophyll, or basically the part of the plant cell that gives the leaf that green color, interacts with sunlight to drive a chemical reaction that allows the leaf to take in carbon dioxide and water. With this, the 'factory' is able to produce oxygen and sugar. In plants that produce fruits and vegetables, the leaf is what does the working, providing the sugar and nutrients for that plant which makes those fruits and veggies. hope this helps!!

What happens before mitosis occurs? A. The cell takes a rest./ B. Cytoplasm from the parent cell becomes two daughter cells./ C. The cell grows and makes a copy of its genetic material./ D. The genetic material of the parent cell multiplies into two sets.

Answers

Just before mitosis occur in a stage known as Interphase the cell grows and makes copies of its genetic material in preparation for the cell's division into two identical cells. Therefore, option (C) is correct.

What is mitosis?

In the study of cell biology, the phase of the cell cycle known as mitosis is the stage at which replicated chromosomes are partitioned into two new nuclei. Mitosis is a method of cell division that results in the production of cells that are genetically similar and in which the total number of chromosomes is preserved. Since this occurs during mitosis, the process is often referred to as equational division.

Conventionally, the process of mitosis is broken down into five stages that are referred to as prophase, prometaphase, metaphase, anaphase, and telophase.

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Just before mitosis occur in a stage known as Interphase the cell grows and makes copies of its genetic material in preparation for the cell's division into two identical cells.

Which of the following statements is TRUE?

Answers

Answer:

B: Hyperosmotic solutions may cause the cell to shrink.

Explanation:

Final answer:

The first statement is false because it inverses the concepts of potential and kinetic energy. The second statement is true, and the electric field is indeed analogous to the gravitational field. The third statement is false since voting rates in the U.S. are not higher than in most other democratic industrialized countries.

Explanation:

The answers to those statements are as follows:

  1. False. The statement is incorrect because it inverses the concepts of kinetic and potential energy. When a rock is thrown into the air, its height increase adds to its potential energy, not kinetic energy. When it starts falling back to the ground moving faster, its velocity increase adds to its kinetic energy.
  2. True. This statement is correct. The characteristics of an electric field indeed make it analogous to the gravitational field near the surface of Earth. Both fields decrease in intensity with the square of the distance from the source.
  3. False. Voting rates in the United States are not higher than in most democratic industrialized countries including Sweden and South Korea. In fact, other industrialized countries often have higher voter turnout rates than the U.S.

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Which of the following is not a negative impact of pesticide use?a. toxic to insects
b. promotion of pesticide resistance in insects
c. harmful to wildlife
d. pollution

Answers

Answer:

a. toxic to insects is the correct answer.

Explanation:

  • Toxic to insects is not a negative impact of pesticide use.
  • The pesticide is used as a toxin against the insects,
  • It is used to control the insect's infestation and to kill the insects.which is not negative because we need to eliminate insects to control insect infection, diseases and to protect the crops from the insect.
  • The other three options have negative effects caused due to the use of pesticides.
a. toxic to insects                            

Even though the amino acid sequence between subunits of hemoglobin and myoglobin are not exactly the same, there are other similarities between the two proteins. Which level of protein structure is not found in both molecules?

Answers

Answer: The Quaternary structure

Explanation: Myoglobin and hemoglobin are both hemeprotiens with the ability to bind oxygen.

Myoglobin is mainly found in muscle tissue and plays a vital role as an intracellular storage site for oxygen. Myoglobin is a monomeric heme protein and has a secondary and tertiary structure. Hemoglobin is vital for the transportation of oxygen from the lungs to the rest of the body as needed. Hemoglobin is a tetrameric hemeprotien with secondary and tertiary structures.

Both hemoglobin and myoglobin are absent of a quaternary structure.

Difference in the classification level of plants and animals?

Answers

Answer:

Plants are classified different than animals because of the large central vacuole and they are autotrophs and the most important thing is that they have a cell wall and they go through photosynthesis. Animal cells are a little less complex and they are heterotrophs they do not have a cell wall and they dont have the large central vacuole and they dont have the ability to go through photosynthesis. ......Hope this helps :/

Explanation:
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