Answers:
1. <u>A) The chromosomes split apart at the centromere.</u>
2. <u>C) The chromosome pairs collect in a line across the middle of the cell.</u>
3. <u>B) anaphase</u>
4. <u>C) telophase I</u>
<span>the number of sets of chromosomes within a cell or organism. Each set is designated n so one set is n is haploid, two sets is 2n is diploid, three sets is 3n is triploid, four sets is 4n is tetraploid, etc. Also, unspecified multiple sets (but more than two) is polyploidy, and extremely large number of sets may be designated by number (for example 15-ploid for fifteen sets). The number of chromosome sets that make up the [[genome of an organism, e.g. [[polyploidy.</span>
Out of the following given choices;
A Bowman's capsules
B afferent and efferent arterioles
C nephrons
D collecting duct
E glomeruli
The answer is D. Also known as vasopressin (a stress hormone)
acts on the receptors of the collecting ducts of the nephron during water
stress to increase water reabsorption. The hormone stimulates water reabsorption by stimulating insertion of
"water channels" or aquaporins into the membranes of kidney tubules.
D.) <span>Unlike DNA, RNA is "a single stranded molecule"
Hope this helps!</span>
Answer:
it means that something does not allow fluids to pass through
