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Anni [7]
2 years ago
10

Insulin and Glucagon are produced in the:______.

Biology
1 answer:
ElenaW [278]2 years ago
3 0

Answer:

Pancreas; islet of langerhans

Explanation:

Insulin and Glucagon are both hormones released into the bloodstream with the function of regulating blood sugar level. Insulin is released when the blood sugar level (glucose) is high, hence, it converts excess glucose to glycogen, which is stored in muscles. Insulin also helps the cell to utilize glucose as an energy source. Glucagon, on the other hand, functions to convert stored glycogen to glucose (glycogenolysis) when the glucose levels in the blood is low.

Both hormones i.e. Insulin and Glucagon are secreted into the bloodstream by an endocrine gland called PANCREAS, which is a digestive organ found near the stomach. Specifically, the pancreas contains regions that contain endocrine cells called ISLET CELLS. This region, called Islet of Langerhans, is where the hormones are produced in the PANCREAS.

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Part d - do all bacterial cells have the same structures? there are some structures that are common to all prokaryotic cells, an
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do all bacterial cells have the same structures? no

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3 years ago
Rank the buoyant forces supplied by the atmosphere on the following, from greatest to least: a. An elephant b. A helium-filled p
blsea [12.9K]

Answer:

a >c > b.

Explanation:

The buoyant force may be defined as the force that mainly opposes the immersed object weight. The buoyant force is greater at the bottom and acts on upward direction.

The buoyant force depend on the object of the volume and directly proportional to the volume. The buoyant force of elephant is highest as it has highest volume than skydiver and balloon has least volume and so the least buoyant force.

Thus, the answer is a >c > b.

3 0
3 years ago
In humans, the eye color and hair color genes are located on different chromosomes. Brown eyes (B) are dominant to blue (b), and
Andrej [43]

Answer:

Man's genotype: Bbdd

Woman's genotype: bbDd

First child's genotype: Bbdd

Second child's genotype: bbDd

Explanation:

This is a dihybrid cross involving two genes; one coding for eye color and the other for hair color in humans. The allele for brown eye (B) is dominant over the allele for blue eyes (b) in the first gene while the allele for dark hair (D) is dominant over the allele for red hair (d) in the second gene.

According to the question, A man with brown eyes and red hair will possibly possess genotypes: BBdd or Bbdd while a woman with blue eyes and dark hair will possibly have genotype: bbDD or bbDd. Considering the fact that they produced children with recessive traits for both gene (blue eyes and red hair), it means that they are heterozygous for their dominant trait. This means that the ideal genotype for the man is Bbdd since he will produce gametes containing B and b alleles for the first gene while the ideal genotype for the woman is bbDd since it will produce gametes with D and d allele for the second gene.

Hence, a child with brown eyes and red hair will possess genotype: Bbdd since he/she cannot receive two dominant alleles for the first gene from both parents. A child with blue eyes and dark hair will have genotype: bbDd since he/she cannot receive two dominant alleles of the second gene from both parents.

3 0
3 years ago
in experiment 1, which of the following factors was systematically changed so that its effects could be observed? A.light intens
Stels [109]

Explanation:

<u>A.light intensity</u>

<u />

6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

Carbon dioxide + water + energy= glucose + oxygen

At the compensation point, the rate of CO2 production by respiration matches the rate of CO2 utilization in photosynthesis- there is no net CO2 production . Since photosynthesis is rate limited, the rate of energy intake can be reduced in order to reach the compensation point; lowering the light intensity would slow the rate of photolysis and thus photosynthesis. Similarly, an increase in light intensity

  • increases the rate of photosynthesis- the CO2 level would be reduced as more inorganic CO2 is fixed, together with producing O2 as waste.
  • would increase the temperature of the environment- light energy is converted to heat energy which increases temperature.
  • lead to higher levels of humidity- the heightened temperature increases the rate of evaporation of water from tissues, and thus increases the humidity (water vapor content of the surrounding air)

Further Explanation:

Photosynthesis is a chemical pathway that’s integral to producing energy in plants and other primary producers. Energy in the form of molecules of glucose is produced from light, water and carbon dioxide while oxygen is released. This occurs in several complex steps, photosynthesis is a rate limited reaction, depends on several factors including carbon dioxide concentration, ambient temperature and light intensity; the energy is retrieved from photons, I.e. particles of light, and water is used as a reducing agent. This occurs in the thykaloids, where pigment molecules like chlorophyll reside.

Occuring in several complex steps, photosynthesis is a rate limited reaction, depends on several factors including carbon dioxide concentration, ambient temperature and light intensity; the energy is retrieved from photons, I.e. particles of light, and water is used as a reducing agent. Water supplies the chlorophyll in plant cell with replacement electrons for the ones removed from photosystem II.

Additionally, water (H2O) split by light during photolysis into H+ and OH- acts as a source of oxygen along with functioning as a reducing agent; it reduces the molecule NADP to NADPH by providing H+ ions and produces molecules of the energy storage molecule ATP through an electron transport chain. This occurs in the thykaloids, where pigment molecules like chlorophyll reside. Later, in dark reactions, NADP and NADPH are used in the Calvin cycle where monosaccharides or sugars like glucose are produced after the modification of several molecules. These store energy in their bonds, which can be released in respiration in the mitochondria.

Learn more about photosynthesis at brainly.com/question/4216541

Learn more about cellular respiration at brainly.com/question/11203046

Learn more about cellular life at brainly.com/question/11259903

#LearnWithBrainly

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