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Biology
Complete the paragraph with words given in the bracket :- (5) 1. (mitosis, meiosis, haploid, diploid, male, female, half, embryo, haploid, germ cells) Sexual Reproduction occurs with the help of two ___________ called ___________ and ___________ gametes. These are formed by ___________ where the chromosome number is reduced to ___________ and hence ___________ gametes are formed. A ___________ zygote is formed by the union of ___________ male and female gametes. The zygote divides by___________ and ___________ is formed.
Biology
Ventilation helps to supply gases to gas exchange surfaces in animals. a) Other than ventilation, state and explain two features of an effective gas exchange surface in animals.
Biology
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Biology
In vitro, is it possible to get back the substrate given to an enzyme?
Biology
Describe what is meant by soil profile
Biology
Trace the development of B cells,T cells and macrophages from the common stem cell
Biology
why hight power magnifaction is not used in the beginning whale fixing specimen in the compound microscope
Biology
State [3 marks] and describe [9 marks] three sustainable indigenous knowledge practices.
Biology
Classify the following amino acids as nonpolar, polar but neutral, acidic, or basic (2 points each) a. Arginine
b. Leucine
c. Glutamic acid
d. Asparagine
e. Tyrosine
b. Leucine
c. Glutamic acid
d. Asparagine
e. Tyrosine
Biology
Show how to form the dipeptide Ile- Cys?
