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Anonymous users2024-02-06Definition of Biology: Biology is the science that studies the phenomena of life and the laws of biological activities.
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Anonymous users2024-02-05Classification of Humans:
Chordate phylum Zoostida.
Subphylum Vertebrates.
Mammalian subclass.
Primate Jane-nosed monkey suborder.
Hominidae. People of different skin colors of the human race all belong to the same species taxonomically, i.e., race;
Men, in biological terms, are called males, and women are called females;
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Anonymous users2024-02-04Biology is a science that studies the phenomena of life and the laws of biological activities. and the science of the relationship between living things and their surroundings, etc. Biology originated from naturalism, experienced experimental biology, molecular biology and entered the period of systems biology.
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Anonymous users2024-02-03The discipline that studies biology.
If you have any questions, thank you! o(∩_o
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Anonymous users2024-02-02(1) The causative gene of the A genetic disease is located on the normal (x,y,normal) chromosome, and the causative gene of the B genetic disease is located on the x,y,normal) chromosome.
2) The genotype of II-2 is AAXB, and the genotype of III-3 is AAXBXB or AAXBXB
3) If III-3 and III-4 have another child, the probability that the child will be a boy with both A and B genetic diseases is 0
4) If IV-1 marries a normal male, the probability of them having a boy with B disease is 1 8
5) The probability that both pairs of alleles of IV-1 are heterozygous is 1 4
I 1,2 is not born of nothing, because his father is normal and not sick.
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Anonymous users2024-02-01Since the 40s of the 20th century, people have not obeyed inanimate things in order to find out life.
The law of motion of matter, absorbing the achievements of mathematics, physics and chemistry, gradually developed into a precise, quantitative, and in-depth science at the molecular level, which was later biology.
Through biology, people understand that life is a form of movement of matter. The basic unit of life is the cell, which is a material system composed of proteins, nucleic acids, lipids and other biological macromolecules. Life has many properties that inanimate matter does not have.
It's all copied and pasted, it's disgusting.
You know the relationship between the activity of the enzyme and the temperature, if the temperature is too high or too low, the enzyme loses its activity. >>>More
The catastrophic impact, if it is not too much to call it an "extinction catastrophe", will cause a large number of countless marine organisms and species to disappear from the earth as a result of this catastrophe, and the consequences can be described as a serious ...... in space
Look at Franklin's rules of life.
Establishing a sound and effective management model can be divided into the following steps: >>>More
The class time is small, the renewal cycle is short, the class fee can also be slightly higher, the class time is more, the renewal cycle is long, it is not flexible, and the class fee is too high. More than half a year of study is the best.