The molecule that contains the information for making a cell's proteins and must replicate itself during cell division
A. DNA.
B. ATP synthase.
C. RNA.
D. FAD.
E. NAD.
A. DNA.
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When the gene that encodes the histones acetylase (HAT) was isolated, it was shown to have homology to the yeast protein, Gcn5 . Why was this an exciting find?
What will be an ideal response?
A cellular molecular pathway by which an external signal is converted into a functional response is called ____________________
Fill in the blank(s) with correct word
Answer the following statements true (T) or false (F)
1) Two genes are considered linked when there are more F2 progeny with recombinant genotypes than parental genotypes in the offspring of a dihybrid testcross. 2) Chiasmata are structures that show where recombination occurred between sister chromatids. 3) Chiasmata can be seen through a light microscope and are sites of recombination. 4) A linkage group includes all of the genes on a chromosome, including genes that are so far apart from each other on a chromosome that they assort independently during meiosis. 5) The hypothesis that predicts no linkage between genes is known as the null hypothesis.
Many human traits, such as our performance on intelligence tests or our susceptibility to heart disease, are ________.
A. determined only by our genes B. determined solely by environmental factors C. influenced by both genes and the environment D. determined by genes in some people and by the environment in other people