What is the power house of the cell called

Answers

Answer 1
Answer: The Mitochondria is the powerhouse of the cell.

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Proteases and acrosin are enzymes. How do they function in reproduction? A Their function is unknown. B They direct the sperm to the egg through chemical messengers. C They neutralize the mucous secretions of the uterine mucosa. D They act to break down the protective barriers around the egg, allowing the sperm

clonal selection of lymphocytes leads to the development of which type of cells? a. effector cells and b cells b. t cells and memory cells c. effector cells and memory cells

Answers


b. t cells and memory cells

These immune cells produce a proper response chemical to combat the microbes. The initial exposure of the body to an infectious agent e.g. through a vaccine, triggers an immune response most of which rapidly diminishes after the vaccination.  However some cells of the immune system called lymphocytes remain with a memory of that pathogen.As a result, if the same pathogen infects a vaccinated person, the memory cells remember and recognize it . 

Gametes, or reproductive cells, belong to which of the following categories?a. Diploid cells
b. Haploid cells
c. Neither diploid nor haploid cells
d. Either diploid or haploid cells depending on different situations

Answers

gametes or reproductive cells belong to haploid cause every of them has one half of chromosomes,23 pairs each , if they unite this is the time they are called diploid with complete traits and 46 chromosomes.

Does the area where you live have a dense or dispersed population?

Answers

Answer:

dispersed

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Explanation:

dispersed population

During glycolysis, the steps between glucose and formation of the triose phosphates collectively a. consume two ATP and two NADH molecules b. produce two ATP and two NAD+ molecules c. consume two ATP molecules d. produce two ADP and two NADH molecules e. consume two NAD+ molecules

Answers

Answer:

The correct answer is c. consume two ATP molecule

Explanation:

Glycolysis is the process in which glucose is partially breakdown into two pyruvate molecules. Glycolysis is divided into two-phase the first phase is the preparatory phase and the second phase is the payoff phase.

In preparatory phase energy is consumed and the formation of two molecules of glyceraldehyde 3 phosphate(triose phosphate) takes place with the consumption of two ATP, therefore, this phase is called energy investment phase.

These two ATP are consumed when fructose 6 phosphate converts into fructose 1,6 bis-phosphate. Therefore, the right answer is c.

Dramatic biological changes, caused by a cascade of different hormones, that occurs during adolescence is referred to as what?

Answers

The cascade of different hormones,that occur during adolescence is referred to as puberty.

Explanation:

Puberty is defined as a period of sexual maturity when Reproductive organ of the individual become functional. This results from several hormonal changes that take place in the body during this period.

In males, puberty is characterized by onset of spermatogenesis and in females, it is characterized by onset of ovulation or menstrual cycle.

During puberty, the individual develops secondary sex characters.

Commercial plant growers artificially control the lengths of days and nights. This produces a response calledA. photoperiodism.
B. gravitropism.
C. thigmotropism.
D. phototropism.

Answers

The answer is A. photoperiodism.

Photoperiodism is an organism reaction to the lengths of days and nights. Some plants require longer days, and some require shorter days. By changing the lengths of days and nights, commercial plant growers are able to increase plants productivity.

Tropism is plant growth in a response to a stimulus.
As it name suggests, phototropism is plant growth in a response to light. 
Gravitropism is plant growth in a response to gravity.
Thigmotropism is plant growth in a response to contact

the answer is A. Photoperiodism

Hope this helps!