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Wittaler [7]
2 years ago
8

Pablo visits a vending machine when he craves a sweet treat. In the endocrine system, the body's blood sugar is regulated by the

:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices

adrenal glands.

thyroid gland.

pituitary gland.

pancreas.
Biology
1 answer:
TEA [102]2 years ago
3 0
The body’s sugar is regulated by the pancreas
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Single strands of nucleic acids are directional, meaning that there are two different ends. What functional groups define the tw
worty [1.4K]

Answer:

The 5' end has free phosphate group while the 3' end has free OH group.

Explanation:

Each DNA strand has two ends that differ from each other with respect to the functional group. The nucleotide present at the 5' end of a DNA strand has a free phosphate group. This phosphate group of other nucleotides of the DNA strand is bonded in phosphodiester bonds. Likewise, the 3' end of a DNA has a free OH group. This makes the two ends of a DNA strand quite different from each other. A DNA new nucleotide can be added to the 3' end due to the presence of a free OH group.

7 0
2 years ago
Which of the following statement(s) is/are TRUE about Red Blood Cells (RBCs)? a) A normal RBC has a nucleus RBCs' production is
olga_2 [115]

Answer:

RBCs' production is controlled by erythropoietin.

Mature RBCs are released into the bloodstream after approximately seven days RBCs are produced in the bone marrow

Explanation:

The hormone erythropoietin is produced and released in the bloodstream by peritubular interstitial cells of kidneys. The function of erythropoietin is to increase the number of the precursors of red blood cells and thereby to stimulate the production of red blood cells in the bone marrow. When the oxygen supply to body cells is reduced, the hormone erythropoietin stimulates the development of proerythroblasts into reticulocytes and thereby increases the RBC production.

RBCs are produced by the process of erythropoiesis and take about seven days to become mature and to be released in circulation to serve the function of oxygen delivery. The maturation of RBCs also includes the loss of most of the organelles such as the nucleus and mitochondria to accommodate hemoglobin protein. The life span of circulating RBCs is about 100-120 days.

4 0
2 years ago
For your internship at the local zoo, you have been assigned to help with the new orangutan-breeding program. Little is known ab
lutik1710 [3]

Answer:

luteinizing hormone (LH) is mainly used to induce ovulation.

Explanation:

Ovulation refers to the release of an egg.During menstruation  ovarian follicle discharges an egg.The egg is also known as an ovum, oocyte, or female gamete. It is only released on reaching maturity.

Ovulation induction uses hormonal therapy to stimulate egg development and release egg or ovulate.

By increasing the production of follicle stimulating hormone (FSH) by the pituitary gland, follicles are stimulated and hence egg growth is seen.

A surge in the Luteinizing hormone (LH) causes the egg to release or ovulate. Luteinizing hormone (LH) is produced and released in the anterior pituitary gland. This hormone is a gonadotrophic hormone and plays an important role in controlling the function of ovaries in females and testes in males.

In women, the hormone stimulates the ovaries to produce oestradiol. Two weeks into a woman's cycle, a surge in luteinizing hormone causes the ovaries to release an egg during ovulation. If fertilization occurs, luteinizing hormone will stimulate the corpus luteum, which produces progesterone to sustain the pregnancy.

3 0
2 years ago
What does the discovery of radiocarbon dead methane near deep-sea hydrothermal vents tell researchers?
leonid [27]
Hi!!! I think the answer is B! Have a great rest of the day!!!
7 0
2 years ago
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Use the model here to describe the transfer of matter and flow of energy from one trophic level to another within an ecosystem.
Brrunno [24]

Answer:

A)Biomass is transferred from one organism to another when one organism consumes another organism. When a predator organism eats the prey organism, the molecules on the food are broken down by the digestive system into smaller molecules. These smaller molecules like lipids, amino acids, glucose are used by the organism for various purposes.

B) Energy that is not transferred from one organism to another is either used up by the organism for various purposes. Most of the energy is lost into the environment in the form of heat.

c) There are typically fewer organisms at the top of the trophic levels because energy keeps on declining at each trophic levels so the number of consumers which it can satisfy also decreases.

d) Only 10% of the energy passes from one trophic level to another. The rest is usually lost in the form of heat. For example, if there was 100%  energy in the producers, only 10% would pass to the primary consumers. The secondary consumers will receive 1%.

6 0
2 years ago
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