In bioinformatics, a sequence alignment is a way of arranging the sequences of DNA, RNA, or protein to identify regions of similarity that may be a consequence of functional, structural, or evolutionary relationships between the sequences
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Answer:
All of these choices are correct.
Explanation:
Cell cycle is the process of growth and division of cell. It comprises of interphase and mitosis. In interphase the cell grows, replicates its genomic content and prepares itself for division. In mitosis the division occurs.
Cell cycle is controlled by a group of kinases called as Cyclin dependent Kinases (CDKs). They act by phosphorylating their substrates. They are of various types like Cdk1, Cdk2, Cdk4 etc. They become active when they bind to a regulatory protein called cyclin. They are also of various types like Cyclin A, Cyclin B, Cyclin C etc. Level of cyclin and corresponding CDK increases and decreases according to the stage of cell cycle. For example in S phase of cell cycle concentration of cyclin A and E shoots up. CDK2 is able to bind to these cyclin molecules and hence it becomes active.
Cell cycle has major checkpoints where the condition of cell is analysed before it proceeds to the next stage of cycle. If any abnormality is detected, repair mechanism is activated or the cell is killed. Checkpoints do not allow cell cycle to proceed in damaged cells.
p53 is a tumor suppressor protein which can halt cell cycle when it detects some abnormality in cell. It usually acts in G1/S checkpoint (before the DNA replication starts in cell) and G2/M checkpoint (before the cell division begins). Hence, all of the above statements are true.
Answer: His genes contain a mutation that prevents red blood cells from proper functioning.
Explanation:
Hereditary anaemia is a type of disorder that are genetically transmitted to the offsprings by the parents . These type of anaemia are inherited from the parent including sickle cell anaemia.
The offsprings inherent Gene mutation that cause abnormalitiies. They inherit abnormal haemoglobin that can reduce the life span of red blood cells thereby affecting their proper functioning of carrying oxygen in the blood, leading to anaemia.
The way that the number of injuries per cat relate to the number of stories a cat falls is that:
- As we examine the data about cats dropping from a given number of stories, a tendency becomes obvious. The cat sustains more wounds from story one to story eight than in the previous stories combined. Despite the fact that there are fewer injuries in the last category.
<h3>Why do cats survive after jumping off of a tall building?</h3>
High-rise syndrome describes the wounds that cats can get when they fall from a steep height, like an inside second-floor landing or balcony, out a window, down a fire escape, or when they fail to jump from a landing to a higher architectural element, like a ledge or window.
Cats may live comfortably in apartments and high-rise buildings, but we must make sure they have enough stimulation and playtime.
Therefore, According to Jim Usherwood of the Royal Veterinary College's structure and motion lab, stated that cats have long, flexible legs. "They have respectable muscle mass. Since they can jump rather well, the same muscles focus their efforts on slowing down rather than shattering bones."
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