In the 1950s, what discovery revolutionized biotechnology?cloning sheep
using electrons for microscopes
splicing genes
molecular structure of DNA

Answers

Answer 1
Answer: it was molecular structure of DNA this was appeared 1n April 1953 Watson and Crick presented the structure of DNA- Helix.it carried the genetic information. the DNA Molecule shaped in twisted ladder.franklin produced an X- ray photograph. DNA structure is made of molecules called nucleotide. Watson and crick also work on 3-D structure of DNA. this mark the history in molecular biology to understanding the genes control and genetic information.they also work on cell.they use stick and ball to understand to test their idea.

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a typical human cell contains 46 chromosomes. after mitosis and cytokinesis, each of the two new cells formed from the original cell

Answers

A typical human cell contains 46 chromosomes. after mitosis and cytokinesis, each of the two new cells formed from the original cell has 23 chromosomes.

What is meant by Mitosis and Cytokinesis?

  • Cytokinesis is the part of the cell division process during which the cytoplasm of a single eukaryotic cell divides into two daughter cells.
  • Mitosis is the process by which a cell replicates its chromosomes and then segregates them, producing two identical nuclei in preparation for cell division.
  • At this point, nuclear division begins, and the parent cell is divided in half, forming 2 daughter cells. Each daughter cell will have half of the original 46 chromosomes, or 23 chromosomes.

A typical human cell contains 46 chromosomes. after mitosis and cytokinesis, each of the two new cells formed from the original cell has 23 chromosomes.

To learn more about Mitosis and Cytokinesis refer:brainly.com/question/15472851

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has a complete set of 46 chromosomes.


______are short and stout.
a. Endomorphs
b. Ectomorphs
c. Mesomorphs

Answers

Answer: A -endomorphs


Endomorphs usually have a shorter build and they gain fat very easily. Thus endomorphs are short and stout. They have very heavy arms. They have strong muscles in the upper leg.

Answer:

The correct answer is option A, Endomorphs

Explanation:

There are three body types in human beings and the characteristics features of all three body types is as follows:

1. Ectomorph - Skinny appearance, Small chest, joints,  bones and buttocks, Less body fat (without exercising), long limbs and Gains weight (build muscles) with difficulty

2. Mesomosph - Heavy body, Strong build, Gains muscles  and fat easily, have Athletic body of rectangular shape

3. Endomorph –  Soft  and round body, short limbs, Gains muscles  and fat easily

Thus considering the features of all three body types, it is clear that  Endomorphs are short and stout

Which characteristic of calcium is most closely related to its chemical reactivity?

Answers

I am knot a 100% sure but posably a periodic table would hep:) hope i helped

Which person do you think played the most important role in the discovery of DNA structure? Rosalind or Waston and Crick? Explain your answer

Answers

Waston and Crick


Explain : Because they were awarded a Nobel prize in 1962 


I hope that's help !




6. Which of the following correctly identifies DNA and RNA?A.
ribogenome
B.
riboamino acid
deoxygenome
deoxyamino acid
deoxyribonucleotide
deoxyribonucleic acid
C.
riboamino acid
D.
ribonucleic acid

Answers

Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA)

Answer:

Explanation:

riboamino acid

What are the two important parts of physical fitness program? A. Skill-related and health-related B. Physical-related and mental-related C. Heart-related and skeletal-related D. Cardio-related and strength-related**************

Answers

From the question, two important parts of physical fitness program are Physical-related and mental related.

Further Explanation:

Physical fitness is the ability of a person to successfully carry out or perform daily actions and activities with best possible performance, perseverance, fortitude, and strength in an effort to drastically reduce disease, stress and other human inactive behavior.  

There are various physical fitness programs which have been created by some individuals or group of individuals to help other persons with inadequate physical fitness; the major important parts of physical fitness program are:

Physical-related fitness is the act of engaging in regular and consistent exercise in order for an individual to have a good health. And health they say is wealth; physical related fitness further helps an individual in enjoying an improvement of health and fitness, leaving no room for poor health conditions.

Mental-related fitness can be referred to as the ability of a person to mentally exercise the brain in a bid to ensure the brain being in good form and shape. The importance of Mental-related fitness in an individual’s life should never be under-emphasized, as it yields great benefits in the life of an individual

It is important to note that physical and mental health goes side-by-side, and inadequate physical health can endanger an individual’s mental health. Inadequate mental health can absolutely reduce the overall condition of an individual’s physical. These two physical related fitness components are therefore essential for every individual

LEARN MORE:

Physical Fitness: brainly.com/question/550944

KEYWORDS:

  • Physical Fitness
  • Physical-related
  • Mental-related
  • Health
  • Individual

In the physical fitness program, mental and health-related fitness is important.

Further Explanation:

Good health is very necessary for every age and can be achieved by physical exercise. Always make a fitness program to achieve a healthy lifestyle. To take the first step in any fitness program, follow a healthy diet and make fitness goals. Physical fitness is the capability of a body to perform the daily activity. Physical fitness prevents us from many diseases such as:

  • Lung cancer
  • Stroke  
  • Type-II diabetes
  • Heart disease
  • Mental illness
  • Anxiety
  • Depression

The goal is very necessary for any physical fitness program. Daily participation in any fitness program helps in improving memory and better sleep. If an individual has very poor fitness, then it consequently affects the mental health of an individual. The mental health is related to the health of an individual, if a person is not mentally fit then the health of an individual is not good. Physical fitness helps in improving overall mental and related fitness.

Learn more:

  1. Learn more about carbohydrate monomer brainly.com/question/6947177
  2. Learn more about core muscle stabilization brainly.com/question/1231927
  3. Learn more about energy storage brainly.com/question/523624

Answer Details:

Grade: High School

Subject: Health

Chapter: Fitness Program

Keywords:

Physical fitness, healthy diet, heart disease, cancer, fitness program, goal, evaluation, fitness program, adaptation, cancer, stroke, response, significant.