Is it true that some chromosomes don't have DNA in them

Answers

Answer 1
Answer: that would be false. in fact chromosomes carry much of the genes that are used in creating offspring. the chromosomes contain DNA from each parent. hope this helps :)

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What is alcohol abuse

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Alcohol abuse is the consistent intake of alcohol indiscriminately without concern or negligence about its adverse effect on the human body.

Gradually increasing the demands on your body as you advance in your fitness program is known as

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Gradually increasing the demands on your body as you advance in your fitness program is known as progression. You progress to other levels of training, so as to make your body stronger. Specificity is the quality of being specific. Regularity refers to something that happens regularly. Overload is too much burden, and it is not good.

Diffraction patterns are due to:

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Diffraction patterns are due to interference. Diffraction is a phenomena which occurs when a wave encounters an obstacle. It is the bending of light around the corners if the obstacle.

Psychological dependence is marked by a state of mental and physical abnormality when the drug is withdrawn.a. True
b. False

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The statement "Psychological dependence is marked by a state of mental and physical abnormality when the drug is withdrawn" is absolutely false.

What is Psychological dependence?

Psychological dependence may be defined as terminology that illustrates the emotional or mental components of a substance that elicits a specific disorder due to the presence or absence of any object, or thing.

Psychological dependence is not deal with the physical abnormality in response to the removal of the specific drug. But it is linked to emotional or mental abnormality.

Therefore, the statement "Psychological dependence is marked by a state of mental and physical abnormality when the drug is withdrawn" is absolutely false.

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Answer:

The answer is false because Psychological dependence is not marked by a state of mental and pyshical abnormality when the drug is withdrawn

When a person can recover from a stress event this is known as what?A) reflecting
B) regret
C) recovery
D) self-reliance

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Answer:

recovery

Explanation:

it just it tbh!!!

Stiff muscles only result from overworking them

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Stiff muscles can come from overworking them, but also from having lactic acid accumulation, low hydration or glycogen stores and from 'DOMS' delayed onset muscle soreness which can take a day or two to appear after a suddenly (unusual) strenuous workout.

Final answer:

Muscle stiffness is multifaceted and can result from factors such as overworked muscles, cellular damage after intense exercise, improper alignment of joints, lack of warm-up before exercises, and myosin heads not detaching from action-binding sites. Muscles gain mass as the damage is repaired, a process called hypertrophy. This contrasts with the atrophy process where sarcomeres and myofibrils disappear but the number of muscle fibers remains.

Explanation:

Stiff muscles do not only result from overworking them but can be due to various factors. Improper resistance training, for instance, can lead to overused muscles, tendons, or bones resulting from too heavy loads or insufficient recovery time between workouts. Other causes include cellular damage to muscle fibers after intense exercise and joints not properly aligned. Besides, the condition of muscles being rarely completely relaxed or flaccid also contributes to muscle stiffness.

However, it's worth noting that muscles gain mass as the muscle damage is repaired, and additional structural proteins are added to replace the damaged ones. This is referred to as hypertrophy. The opposite process - atrophy, results in the disappearance of sarcomeres and myofibrils but not the number of muscle fibers, which can be observed when a limb casts are removed or in diseases like polio.

Everyday activities, such as exercise and stretching, matter too. Warm-up exercises increase blood flow to the muscles while stretching helps pull on the muscle fibers. Absence of a proper warm-up can result in damage to muscle fibers or a pulled tendon. Lastly, myosin heads not detaching from actin-binding sites results in muscle stiffness, causing conditions like 'writer's cramp' or rigor mortis in a recently deceased person.

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