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4 years ago

Suggest another possible analogy for the structure and function of the skeleton

2 answers:

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The skeleton provides framework and support on the other organs of the body. It is also responsible for making and producing red blood cells and white blood cells.

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OverLord2011 [107]4 years ago

5 0

Answer: Hematopoiesis occurs in long bones.

Muscle,Ligament, and Tendon are also a part of skeleton.

Explanation:

Hematopoiesis is a process in which blood cells like erythrocytes, neutrophils, monocytes are formed. This process occurs in long bones of skeleton.

Muscle , Ligament and Tendon provides strength , lowers tension. These are the another analogy for structure and function of skeleton.

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The discarded theory of blending inheritance most closely resembles what inheritance

pochemuha

The discarded theory of blending inheritance most closely resembles incomplete dominance.

<h3>What is blending inheritance?</h3>

An antiquated biological notion from the 19th century is the concept of blending inheritance.
According to the hypothesis, children inherit any trait by averaging the values of their parents for that trait.
According to the theory of blended inheritance, an offspring combines the values of both parents for a given attribute.
As opposed to blended inheritance, particulate inheritance states that a child inherits individual units or genes from each parent.
Offspring thus combines the traits of both parents.
Incomplete dominance is the term used to describe phenotypic "blending" of two features, which implies that neither trait is truly dominant over the other.
The manifestation of phenotypic traits that are intermediate between those of the parents, such as pink flower color from red and white parents.
Inheritance was a now-discredited hypothesis that claimed children's genetic make-up was a pure admixture of their parents'.

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2 years ago

A microbiologist has identified a new gram-negative pathogen that causes liver disease in rats. She suspects that the bacterium’

valina [46]

<h2>Koch's postulates </h2>

Explanation:

Koch formulated a set of criteria that could be used to identify the pathogen responsible for a specific disease and these criteria came to be known as Koch’s postulates:

The organism must be regularly associated with the disease and its characteristic lesions

The organism must be isolated from the diseased host and grown in culture

The disease must be reproduced when a pure culture of the organism is introduced into a healthy, susceptible host

The same organism must be re-isolated from the experimentally infected host

In the given hypothesis , Koch's postulates could be used as:

1) identify pathogen associated with disease 2) isolate or purify pathogen 3) test subject gets pathogen 4) same disease/ causes liver disease or not

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3 years ago

Please help I can’t figure this out

Ilia_Sergeevich [38]

Answer:

Photosynthesis is the process in which cells use carbon dioxide and water to make glucose in the presence of sunlight.

Respiration is the process in which glucose molecules are utilized to release energy in the form of ATP.

Explanation:

Ans1- Respiration in cells occurs in mitochondria. Cells gain energy in the form of ATP. Conversion of glucose in the form of ATP is known as cellular respiration.

Cellular respiration can take place either in presence of oxygen(aerobic respiration) or in absence of oxygen(anaerobic respiration ).

Before entering into cellular respiration glucose molecule has to be converted into pyruvic acid. This process in known as GLYCOLYSIS.

<em><u>Anaerobic respiration</u></em> occurs in mitochondria when oxygen is not present. It is known as fermentation.It is not effective process to produce ATP from glucose as in this process only 4 ATP can be released.

<u><em>Aerobic respiration</em></u> occurs in mitochondria in presence of oxygen. This is effective pathway to gain ATP as it releases 36 ATP from 1 glucose molecule.

Ans2- All cells which has photosynthetic pigments are able to use photosynthesis. Example- Blue green algae, cynobacteria etc.

Ans3- We can see different shades of green colors of plants and leaves because of different types of chlorophyll present in plant. Chlorophyll are of 6 types in plant. Their types are based on the lights they absorb. Two main types of chlorophylls are chl a and chl b.

Ans4- Both plant and animal cells have mitochondria. In plant also they need energy. To get ATP from breakdown of glucose respiration is occur in plant also.

Ans5-In photosynthesis glucose is formed from water and carbon di oxide. 6 carbon dioxide and 6 molecules of water are used to make 1 molecule of glucose. Water and carbon di oxide are reactant in this process.

Ans6 - Cells without oxygen can burn glucose to release energy. This process is known as Anerobic respiration/ fermentation. But the outcome of energy is lower than aerobic respiration. ( ANS1)

Ans7- In the process of photosynthesis reactants are water and carbon di oxide. Oxygen produced released in the form of gas along with carbon di oxide.

Ans8- The enzymatic reaction of respiration occurs in mitochondria. Krebs cycle occurs in the matrix of mitochondria.( ETC electron transport chain) to release ATP occurs in cristae of inner membrane of mitochondria.

Ans9- Plants make glucose through photosynthesis . In presence of sunlight plants use carbon dioxide and water to make sugar.

6 0

3 years ago

Scientist often referred to mushrooms as the dark matter of biology because we don't know much about them. Mushrooms are not pla

stiks02 [169]

Answer:

Mushrooms and plants all need energy to grow. But the sources of their energy differs.

Explanation:

Sun is the ultimate source of energy for any living organisms to grow and make their food. While plants takes energy from the sun directly and make their food, while the mushrooms which is not a plant does not take energy from the sun directly.

Mushrooms utilizes the energies which is collected by the different organism which collects their energy from the sun such as organisms like the bacteria and plants. Mushrooms grow well in darkness as darkness helps to retain moisture. Mushrooms does not have chlorophyll to make food.

Plants have chlorophyll. And they direct absorb energy from the sun light to make their own food.

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3 years ago

Describe how the experiments of Avery, McCarty and MacLeod, building on the work of Griffith demonstrated that DNA was the molec

cluponka [151]

<span>It was the culmination of research in the 1930s and early 1940s at the Rockefeller Institute for Medical Research to purify and characterize the "transforming principle" responsible for the transformation phenomenon first described in Griffith's experiment of 1928: killed Streptococcus pneumoniae of the virulent strain type III-S, when injected along with living but non-virulent type II-R pneumococci, resulted in a deadly infection of type III-S pneumococci.</span>

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4 years ago