Examlex
Answer the following questions in reference to the five items listed below.
-How many chromosomes are present in each cell of the germ cell line for a tetraploid species whose diploid complement of chromosomes is 48?
Nucleotide
The basic building block of nucleic acids, such as DNA and RNA, consisting of a sugar, phosphate group, and nitrogenous base.
Purines
Nitrogenous bases with carbon and nitrogen atoms in two attached rings (e.g., adenine and guanine); components of nucleic acids, ATP, GTP, NAD1, and certain other biologically active substances. Compare with pyrimidines.
Pyrimidines
A class of nitrogenous bases found in nucleic acids, including cytosine, thymine (in DNA), and uracil (in RNA).
Carbohydrate
Organic compounds occurring in foods and living tissues, including sugars, starch, and cellulose, serving as a major energy source.
Q5: _ is the study of body plans
Q6: Which group does the supergroup Opisthokonta exclude?
Q7: Aristotle<br>A)a proponent of uniformitarianism<br>B)developed the theory of
Q10: mosses,liverworts<br>A)Have rhizoids, cuticle, and protected embryo sporophyte<br>B)One
Q13: The by-product of the metabolism of cyanobacteria
Q20: This codon codes for an amino acid
Q28: A mammalian female's _. <br>A) cells usually
Q33: With _ speciation,populations in physical contact speciate.
Q49: Beta thalassemia anemia is caused by what
Q51: Spindles are _. <br>A) permanent cell structures<br>B)