BIOLOGY HIGH SCHOOL

What basic unit of heredity is found on segments of DNA and are passed on from parent to offspring?

Answers

Answer 1
Answer:

Gene is basic unit of heredity is found on segments of DNA and are passed on from parent to offspring.

What are the characteristics of gene ?

A gene is  physical and functional unit of heredity which is made up of DNA.

Genes control both DNA and RNA function.

Some genes codes protein for functional expression of a trait where as some genes do not code for proteins.

In humans, the size of genes ranges from few hundred DNA bases to more than 2 million bases and human have between 20,000 and 25,000 genes.

Each gene have two copies, one is passed from each parent. Only 1 percent of the total genes is slightly different between people.

This is because of presence two different types of allele the same gene which contribute to each person’s unique physical features.

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Answer 2
Answer:

Answer:

Genes

Explanation:

Genes are sequences of nucleotides that determine characteristics. They are passed from parents to offspring.

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Within eukaryotic cells, there is an intricate network of _______ with unique functions.

Answers

I think Organelles is your answer(:

A scientist attends an annual conference hosted by the American Medical Association. At which type of event is she most likely to hear a speech given by a world-famous surgeon?A. Keynote address
B. Panel discussion
C. Social gathering

Answers

A. Keynote address

In the Keynote address is most likely a world-famous surgeon would give his/her speech in order to motivate, inspire and challenge pursing scientists and medical professionals in their pursuit of their successful career and the like endeavors. 
If a scientist attended an annual conference hosted by the American Medical Association, it's most likely that the event where he would hear a speech from a world-famous surgeon would be during the panel discussion - b.

This is the place where people who are very known often get their chance to speak.

Which of the following nutrient cycles has its largest reservoir in the atmosphere?A) Carbon cycle
B) Nitrogen cycle
C) Potassium cycle
D) Phosphorus cycle
E) Water cycle

Answers

I would actually say carbon since the carbon cycle takes place mostly in the atmosphere while the nitrogen cycle takes place mostly below ground.

Cells go through a series of events known as the cell cycle as they grow and divide. During the cell cycle, a cell grows, prepares for division, and then divides to form two daughter colls. Each daughter col thenmoves into a new cell cycle of activity, growth, and division. SC.912. L. 16.14
The cell cycle includes four phases - G1 SG2, and M. What occurs during the Sphase?
A. Prepares the cell for mitosis
B..There is intense growth and activity
C.New DNA is synthesized as the chromosomes are replicated
D.Cells increase in size and synthesize now proteins and organelles

Answers

The cell enters the cell cycle, and each daughter cell later moves into a new cell cycle of activity, growth, and division, and in the S phase, new DNA is synthesized as the chromosomes are replicated, which is present in option C.

What is the S phase in the cell cycle?

The cell cycle has different phases, and each phase is specific for a particular function, such as the G1 phase, which is the first growth phase. In the G1 phase, the growth of the cell takes place, such as the new protein synthesis, and then the cell enters the S phase, in which the DNA replicates and a copy is made.

Hence, the cell enters the cell cycle, and each daughter cell later moves into a new cell cycle of activity, growth, and division, and in the S phase, new DNA is synthesized as the chromosomes are replicated, which is present in option C.

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Answer:

C

Explanation:

I think it’s C because starts to replicate and yea

An example of a monocot is a _____ .a. fern.
b. pine tree.
c. moss.
d. lily.

Answers

an example for a monocot is lily

Lactic acid and energy is produced in muscle cells duringaerobic respiration
cellular respiration
anaerobic respiration
cellular division

Answers

Lactic acid is produced during aerobic respiration.
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