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phosphate molecules and deoxyribose sugars
The backbone of a DNA molecule is made of which two components?
cell, nucleus, chromosome, DNA, nucleotide
Which series is arranged in order from largest to smallest in size?
The order of bases on a DNA strand is AGTTCCACTTGA. What would the complimentary DNA strand be?
During DNA replication, a complementary strand of DNA is made for each original DNA strand. Thus, if a portion of the original strand is CCTAGCT, then the new strand will be ___.
is single-stranded, contains uracil and contains a different sugar molecule (all of the above)
RNA differs from DNA in that RNA ___.
Transcription is the process by which genetic information encoded in DNA is transferred to a(n) ___.
What is the portion of the protein molecule coded for by the piece of mRNA shown in the diagram?
Which of the following would represent the strand of DNA from which the mRNA strand above was made?
Using Structure II in Figure 11-1, what is the sequence of the tRNA molecule from left to right?
Using structure II in Figure 11-1, what is the sequence of the DNA molecule from left to right?
Applicants for the fourth job of the Help Wanted ad in Table 11-1, "Supervisor" could qualify if they were ___.
Applicants for the third job of the Help Wanted ad in Table 11-1, "Executive Position" could qualify if they were ___.
Applicants for the second job of the Help Wanted ad in Table 11-1, "Accuracy and Speed" could qualify if they were ___.
X-rays, ultraviolet light and radioactive substances that can change the chemical nature of DNA are classfied as ___.
lining up of chromosomes in the cell
By the end of prophase, each of the following has occured except ___.
they died off because the cancerous cells deprived them of nutrients.
If cancer is present, what is the likely explanation for what happened to cells B and D?
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, ___ occurs.
meiosis and fertilization
The numbers in Figure 10-1 represent the chromosome number found in each of the dog cells shown. The processes that are occurring at A and B are ___.
Genes located on homologous chromosomes may have alternate forms that control different forms of a trait. These alternate forms of a gene are called ___.
a cell can't always immediately use all the energy it gets
Organisms need a way of storing energy because ___.
In glycolysis, ___ molecules of ATP are used in the first step, and ___ molecules of ATP are produced in the second step.
Kidneys use energy to move molecules and ions in order to keep the blood chemically balanced. This process is an example of cells using energy to ___.
citric acid cycle
A series of reactions in aerobic respiration that begins and ends with the same 6-carbon compound is the ___.
In photosynthesis, the series of reactions that synthesize simple sugars from carbon dioxide and hydrogen is known as the ___.
electron transport chain
The passing of electrons along a series of molecules, releasing energy as they go, is known as a(n) ___.
The process by which autotrophs use energy from sunlight to build carbohydrates is called ___.
light dependant reactions
The reactions in photosynthesis in which energy from the sun is converted to chemical energy are called ___.
increases in response to increasing light intensity, but only to a certain point
Graph A demonstrates that the rate of photosynthesis ___.
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