Answer:
1. DNA identification by PCR
2. Forensic entomology
Explanation:
Polymerase Chain Reaction (PCR) is the most widely used technique in molecular biology to identify DNA samples, and it is a method regularly used in criminal cases. The PCR technique enables the amplification of specific genome regions by using a set of oligonucleotides (primers) that pair with the sequence of interest and a Taq polymerase that synthesizes DNA copies that are specific of the person to be identified. PCR reaction consists of several rounds of amplification in order to obtain sufficient DNA product to visualize it.
Forensic entomology is used in criminology to determine the time period between the discovery of a human body and the time that colonization by insects occurred, thereby providing an estimation of the post-mortem interval in human bodies. In addition, this technique can be used in abuse and other types of criminal cases because insect colonization also provides useful information about the nature of the decomposition processes in one crime scene.
Answer:
The DNA fingerprinting technique and development and comparison of physical fingerprints can be the methods used for the purpose of solving crimes and identification of missing person.
The DNA fingerprinting can be done from the physical evidences such as blood, sweat, hair, tissues, teeth and other material obtain at crime scene. These can be compared with the suspects, victim and missing persons so as to establish their identity.
The physical fingerprints can be developed on the scene of crime and compared with the requested specimen from suspect, victim and the missing person or in case of impersonation to establish the desired identity
Explanation:
Answer:
The answer is "Mode of replication".
Explanation:
The answer is the model for reproduction because it is the genetic reproduction implements a diffraction model, which replaces some old bases with other small colonies for each strand of the fetus, opposed to a semiconservative model of reproduction in eukaryotic cells, wherein one chromosome is completely new and one is old.
Replication in both eukaryotic life and an alien sample would involve the duplication of genetic information, but the specifics could vary. For instance, while eukaryotes use DNA and replication is bi-directional, the alien sample might use RNA and replication could be uni-directional. These are, however, speculative based on our understanding of life on Earth.
In both the eukaryotic life found on Earth and in the hypothetical alien sample, processes of replication would involve the duplication of DNA, which serves as the basis for passing genetic information from one generation to the next. In eukaryotes, this process is accomplished via DNA replication, a bi-directional process in which the DNA helix is unwound and each strand is used as a template for the synthesis of a new complementary strand.
In contrast, we can speculate that the alien sample might have biochemical differences that influence its DNA replication process. The alien sample, for instance, could utilize RNA instead of DNA as the main carrier of genetic information. Its replication process might also proceed in a uni-directional manner, which is contrary to the bi-directional process in eukaryotes. Nevertheless, these differences are more conjectural since we don't have a specific example of extraterrestrial life to examine.
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Animal Kingdom comprises of eukaryotic, multicellular species of animals. Kingdom Animalia is monophyletic. Animals are evolved from flagellated protists similar to modern choanoflagellates.
Animal Kingdom includes organisms from simplest forms to the complex ones. All animals here are multicellular, eukaryotic and almost every animal is having specialised cells.
Some characteristics of animal kingdom includes:
Thus, option 3 and 5 are correct.
For more information about Animal Kingdom, visit:
Answer - 3) Kingdom Animalia is monophyletic
5) Animals are thought to have evolved from flagellated protists similar to modern choanoflagellates.
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Answer: It is greater when sucrose concentration went from 2.5 to 7.5g/l.
Explanation: The rate of reaction of an enzyme is known to be affected by the rate of concentration of its substrate, which in this case is the sucrose Solution.
If the rate of increase of concentration is high,the activities of the enzyme SUCRASE will increase accordingly, in order to breakdown the substrate.
The rate of increase of Sucrose from 2.5 to 7.5g/l is higher(300%) than the rate of Increase of Sucrose from 22.5 to 27.5g/l (1.22%). It is expected under circumstances that the action of SUCRASE will increase at a rate higher in the first Solution than in the second Solution.
The rate of increase in sucrase activity depends on the concentration of sucrose and whether or not the enzyme is saturated. The increase could be greater at lower concentrations (2.5 to 7.5 g/l) if sucrase is not yet saturated. The increase might be less at higher concentrations (22.5 to 27.5 g/l) if sucrase is near or at saturation point.
The increase in sucrase activity is generally considered to be a response to the concentration of substrate present, in this case, sucrose. The increase in activity happens because more substrate (sucrose) is available for the enzyme (sucrase) to act upon. However, there is a limit to this increase. Once the enzyme is saturated with substrate, further increases in substrate concentration do not increase the enzyme's activity. This is known as the saturation point.
To determine whether sucrase activity increased more when sucrose concentration increased from 2.5 to 7.5 g/l or from 22.5 to 27.5 g/l, we would need specific data on the rate of sucrase activity at these different concentrations. It's possible that the increase from 2.5 to 7.5 g/l was greater if this is in the ascending portion of the enzyme activity curve and the sucrase was not yet saturated with sucrose. Conversely, the increase from 22.5 to 27.5 could be lesser if the sucrase is near or at saturation point.
b. algae
c. bryophytes
d. tracheophytes