Utsa bio 1404 exam - Study guides, Class notes & Summaries

UTSA BIO 1404 EXAM TEST 1 QUESTIONS AND ACCURATE ANSWERS

UTSA BIO 1404 EXAM TEST 1 QUESTIONS AND ACCURATE ANSWERS

. c. lactose 2. e. fat 3. d. lysine 4. a. insulin 5. b. RNA - ANSWER A student is given five samples and told they are lysine (an amino acid), lactose (a disaccharide), insulin (a protein hormone), RNA and fat. The samples are in test tubes marked 1-5, but the student doesn't know which compound is in which tube. The student is instructed to identify the contents of each tube.

The somatic tissues of an organism grow & repair by producing new cells by ___. the new daughter cells receive ___ ___ number of chromosomes as the parental cell - ANSWER mitosis - the same - The eukaryotic cell cycle is composed of Interphase (__, _ & __), and M phase. ___ accounts for about __% of the cell cycle & during organelles and chromosomes are ___. The _ phase includes mitosis, ___ of the ___ material and cytokinesis - ANSWER G1 - S - G2 - interphase - 90 - duplicated - M - divis...

What is the chemical behavior of an atom dependent on? - ANSWER The number of elections in its outermost shell AKA valence electrons What are the electrons on the outermost shell called? - ANSWER Valence Electrons Valence Electron - ANSWER Electron that is associated with an atom and that can participate in the formation of a CHEMICAL BOND

same offspring ___ - ANSWER eye - fruit flies - X-linked - location - eye reciprocal - don't - ratios males are ___ bc have ___ allele for any _-___ trait. so there is no ___ state/dom&rec. in _-___ cross, the ___ of the offspring depend on whether ___ trait was ___ by which ___. - ANSWER hemizygous - one - X-linked - carrier - X-linked - genotypes - recessive - expressed - parent when the female fruit fly is ___ ___ eyes and the ___ is ___ eyed, the __ gen will hv ___ red eyes. __ would h...

What are cells with gap junctions that can send signals to other cells - ANSWER Cell signaling In cell signaling how many molecules are required? - ANSWER Very little In cell signaling, what is bound to receptors that directly interact with DNA? - ANSWER Steroids includes electron transport chain and ATP synthase - ANSWER Photosynthesis

In her first test, she tries to hydrolyze a portion of the contents of each tube. Hydrolysis occurs in all tubes except tube 5. In the next test, she finds that tubes 3, 4, and 5 are positive for nitrogen but only tube 3 gives a positive result for the presence of sulfur. In the next test the student shows that the compound in tube 4 contains a high percentage of phosphate. In the final test the student shows that compound 1 is hydrophobic.

When a sperm fuses with an egg almost immediately a ___ ___ pops up. This ___ a ___ sperm from ___the same egg. Once there are about ____ cells a hollow ball forms call the ___. then pushes ___ from _ side to form the ___ - ANSWER fertilization membrane - prevents - 2nd - fertilizing - 1000 - blastula - inward - 1 - gastrula restriction ___ characterize&___ ___molecules. they're enzymes that recognize a ___ DNA nucleotide ___&___the DNA at or near this site. Many of these sites are ___; th...