Blood refers to a fluid connective tissue that comprises fluid known as plasma, in which the cells of the blood are suspended. The two prime constituents of the blood are formed elements or blood cells and plasma.
Plasma comprises 50 to 60 percent of the entire volume of blood. It comprises about 91 percent of water, due to which the viscosity of the blood is sustained.
Plasma conducts platelets and blood cells along with various of other substances, like vitamins, hormones, amino acids, and other nutrients. Due to the hydrophilic property of blood, it can mediate the hydrophilic molecules safely all through the body.
Answer:
- Invertebrates may have an <u>exoskeleton</u> for protection and support.
- Vertebrates have a backbone and a skull.
Explanation:
Invertebrates are usually small animals, they usually lack of an articulated internal skeleton, although some do, but it is an external skeleton called an exoskeleton. Many have shells, shells, or covers of some hard substance.
A vertebrate is an animal that has a skeleton with a vertebral column and a skull, and whose central nervous system is made up of the spinal cord and the brain.
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➷ Temperature would speed up the fermentation process until a certain point. At approximately 55 degrees Celsius, the yogurt cultures would be destroyed.
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Answer:
the conclusions that can be drawn are-
a. one of the culture media must have lacked nutrients that are needed for that bacteria to grow.
b. the bacteria culture that failed to grow must have not inoculated properly.
c. the temperature of the culture must have been varied rapidly during the experiment.
d. mostly all of the culture media were capable of culturing the bacteria. this media can be used in further experiments.
Answer:
A) %A=5 %G= 45 %C=45 %T=5 %U= 0
.
Explanation:
DNA is the genetic material and transfer from one generation to the generation. The DNA composed of the nitrogenous bases, pentose sugar and the phosphate group.
The base pairing of DNA follows the Chargaff's rule. According to this, the purines an pyrimidine ratio is equal to 1. The number of adenine is equal with that of thymine and number of cytosine is equal to the guanosine. In option (A) this criteria is follows.
Thus, the correct answer is option (A).
