Hair would be dry and brittle without the presence of? A) sebaceous glands B) keratin C) melanin D) fat

Answers

Answer 1

Answer:

Answer:

A) sebaceous glands

Explanation:

Sebaceous glands are responsible for producing and secreting sebum, a substance that can lubricate and waterproof the skin and hair, giving them a brighter appearance.

However, a highproduction of sebum through these glands can cause exaggerated greasiness in the hair as well as acne on the skin.

Meanwhile, low sebum production can leave the skin dull and dehydrated, causing premature aging, and leaving hair dry and brittle due to lack of lubrication.

Answer 2

Answer:

Actually keratin is not correct

The correct answer to your question is

Sebaceous Glands.

Related Questions

Which of the following structures is NOT found in bacteria?A ribosome B cytoplasm C cell membrane D nuclear membrane
Ammonia can be produced by what two processes
A selectively permeable membrane separates two solutions. Water is able to pass through this membrane; however, sucrose (a disaccharide) and glucose (a monosaccharide) cannot pass. The membrane separates a 0.2-molar sucrose solution from a 0.2-molar glucose solution. With time, how will the solutions change?a. Nothing happens because the two solutions are isotonic to one another.b. Water enters the sucrose solution because the sucrose molecule is a disaccharide and thus larger than the monosaccharide glucose.c. Water leaves the sucrose solution because the sucrose molecule is a disaccharide and thus larger than the monosaccharide glucose.d. The sucrose solution is hypertonic and will gain water because the total mass of sucrose is greater than that of glucose.e. After the sucrose dissociates to two monosaccharides, water will be osmostically drawn to that side of the membrane.
The ____ are responsible for the movement of much of the weather across the United States and Canada.
Which consequence of global warming is described as having an increase in growing season, changes in migration, and loss of species? changing oceans melting ice affected human populations altered ecosystems

Who administers the Clean Air Act?

Answers

In the United States, the Clean Air Act is administered by the Environmental Protection Agency (EPA).

What is the EPA

The EPA is a federalagency responsible for implementing and enforcing environmentalregulations, including those related to air quality.

The EPA sets national air quality standards, establishes emissions regulations for industries, monitors air quality, and works with state and local governments to implement and enforce air pollution control measures.

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Since it's about national environment, it is administered by the U.S. Environmental Protection Agency (EPA).

Which statement is true for both photosyntheis and cellular respiration. It occurs in consumers. It occurs in producers. It produces carbon dioxide. It produces oxygen.

Answers

Answer:

It occurs in producers/photoautotrophs

Explanation:

List negative effects of the use of chemical fertilizers

Answers

It destroys the quality of soil
it kills the useful micro organisms present in the soil

What major organic compound can both for muscle tissue and protect the body from antigens

Answers

Answer:

protein.

Explanation:

Muscle fiber is mostly protein. Muscle fibers are made mostly of protein. It's important for you and other animals to eat food with protein, because we cannot make certain amino acids on our own.

What are the five parts of skill related fitness. Please select all 5 below. Question 1 options: Speed Muscular Strength Coordination Agility Balance Aerobic Endurance

Answers

Answer:

There are only four parts of skill related fitness in the options; they are:

Speed

Agility

Balance

Coordination

Explanation:

Physical fitness refers to the ability to perform physical activities well without fatigue. In other words, being physically fit refers to a state of general wellbeing. Physical fitness can either be health-related or skill-related. The skill-related components are six in number viz: agility, power, balance, coordination, speed and reaction time.

However, only four of these skill-related parts of physical fitness are mentioned in the options of this question. They are:

- Speed: This refers to the ability to run a distance in a short time frame.

- Agility: This is the ability to move easily and quickly in different directions

- Balance: The ability to maintain an upright body position during training or physical activity

- Coordination: The ability to make physical senses of one's body (eye) cooperate with the limbs (hands and feets) during a physical activity.

Note that, Aerobic Endurance and Muscular strength are health-related components of fitness

Final answer:

The five components of skill-related fitness are Speed, Coordination, Agility, Balance, and Muscular Strength. Each plays a different role in physical activities and sports.

Explanation:

The five parts of skill-related fitness are; Speed, Coordination, Agility, Balance, and Muscular Strength.

Speed: It is the ability to move quickly. It is crucial in many sports such as sprinting, swimming, and soccer.
Coordination: This refers to the ability to use different parts of the body smoothly and efficiently together. For example, dribbling a basketball while running.
Agility: It is the ability to change the direction of the body quickly and effectively while maintaining control. Gymnasts, soccer players, and basketball players display good agility.
Balance: It involves maintaining body equilibrium to prevent falling. It's used in activities like yoga, gymnastics and ice-skating.
Muscular Strength: Not to be confused with muscular endurance, muscular strength is the amount of force that a muscle can produce in a single effort. It’s used in activities such as weightlifting and shot put.

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There are two checkpoints during the cell cycle that regulate cell division. They are right before the _____ phase and _____ phase. S; M G1; G2 S; G1 M; G2

Answers

Two checkpoints during the cell cycle that regulate cell division are right before S phase and M phase.

Cell cycle checkpoints are control mechanisms necessary for proper cell division. In the cell cycle, there are two checkpoints: the G1 checkpoint and the G2 checkpoint. The G1 checkpoint is right before the S phase, and G2 checkpoint is right before the M phase.
If something is wrong at the G1 checkpoint, the cell will not enter the cell cycle. It is important to be delayed before cell enters S phase where DNA replication commences.
The G2 checkpoint is a DNA damage checkpoint and if DNA is damaged, entering the cell cycle is delayed before mitosis (M phase).

Answer:Sphase and Mphase

Explanation:

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What muscles are involved when you're tying your shoe laces

What causes ocean water to become denser? A. The salinity of water and high temperatures. B. The salinity of water and low temperatures. C. The concentration of oxygen and high temperatures. D.The concentration of oxygen and low temperatures.