The _________ membranes stack up to form the ________ of the chloroplast.
A. cristae, grana
B. thylakoids, grana
C. ER, thylakoids
D. Golgi, ER
B. thylakoids, grana
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Imagine that you are searching for the gene associated with nail-patella syndrome, a dominant genetic disorder that causes developmental abnormalities. In a large pedigree you discover an association between nail-patella syndrome and a genetic marker that
occurs in two different alleles, A and B. Fifteen individuals within this pedigree have nail-patella syndrome and are A/B heterozygotes for the marker. Thirty individuals within this pedigree don't suffer from nail-patella syndrome and are homozygous for the A marker allele. One individual within this pedigree has nail-patella syndrome and is also homozygous for the A marker allele. The most likely explanation for this exceptional individual is that _____. A) a new mutation converted the disease-causing allele to the wild-type form B) a new mutation converted the B allele of the marker to the A form C) the exceptional nail-patella individual is haploid D) recombination occurred between the nail-patella gene and marker locus in one of the parents of the exceptional individual
Chloroplasts and mitochondria in eukaryotes are thought to have originated by ____ , where one organism lives within another
Fill in the blank with the appropriate word.
When a bird is exposed to the songs of potential rivals of its own species certain genes are turned off
within neurons in the song-controlling nuclei of the bird’s brain.
Indicate whether the statement is true or false.You are investigating a massive fish kill in one of the shallow lakes in the area. Lab reports show no toxins in the water, but a monitoring station reported these oxygen and pH values
Based on the table above, what, if any, is the relationship between oxygen and pH? A) Inverse relationship: when one increases, the other decreases B) Direct relationship: when one increases, the other also increases C) Exponential relationship: when one increases, the other increases 10 to 100 times D) No relationship: there is no pattern between oxygen and pH