Answer the following question given this paragraph: Q: When the monocilia are defective, what is disrupted? Choices: - triggering - inhibiting - predicting - signaling A:
signaling
Answer the following question given this paragraph: The building blocks of DNA are nucleotides. The important components of the nucleotide are a nitrogenous base, deoxyribose (5-carbon sugar), and a phosphate group (Figure 14.5). The nucleotide is named depending on the nitrogenous base. The nitrogenous base can be a purine such as adenine (A) and guanine (G), or a pyrimidine such as cytosine (C) and thymine (T). Q: What are the building blocks of dna? Choices: - prokaryotes - peptides - genes - nucleotides A:
nucleotides
Q: Answer the following question given this paragraph: DNA Repair DNA polymerase can make mistakes while adding nucleotides. It edits the DNA by proofreading every newly added base. Incorrect bases are removed and replaced by the correct base, and then polymerization continues (Figure 9.13a). Most mistakes are corrected during replication, although when this does not happen, the mismatch repair mechanism is employed. Mismatch repair enzymes recognize the wrongly incorporated base and excise it from the DNA, replacing it with the correct base (Figure 9.13b). In yet another type of repair, nucleotide excision repair, the DNA double strand is unwound and separated, the incorrect bases are removed along with a few bases on the 5' and 3' end, and these are replaced by copying the template with the help of DNA polymerase (Figure 9.13c). Nucleotide excision repair is particularly important in correcting thymine dimers, which are primarily caused by ultraviolet light. In a thymine dimer, two thymine nucleotides adjacent to each other on one strand are covalently bonded to each other rather than their complementary bases. If the dimer is not removed and repaired it will lead to a mutation. Individuals with flaws in their nucleotide excision repair genes show extreme sensitivity to sunlight and develop skin cancers early in life. Q: If a mistake is made by dna polymerase while adding nucleotides, incorrect bases are removed and replaced by the correct base, and the process of what continues? Choices: - fermentation - hybridization - digestion - polymerization A:
A: polymerization
Question: Answer the following question given this paragraph: A day or two after an ovary releases an egg, the egg may unite with a sperm. Sperm are deposited in the vagina during sexual intercourse. They propel themselves through the uterus and enter a fallopian tube . This is where fertilization usually takes place. Q: Where does fertilization usually take place? Choices: - uterus - ovary - vagina - fallopian tubes A:
Answer: fallopian tubes
*Question*
Answer the following question given this paragraph: This chart shows the genetic code used by all organisms. For example, an RNA codon reading GUU would encode for a valine (Val) according to this chart. Start at the center for the first base of the three base codon, and work your way out. Notice that more than one codon may encode for a single amino acid. For example, glycine (Gly) is encoded by a GGG, GGA, GGC, and GGU. Notice there are 64 codons. Of the 64 codons, three are stop codons. Q: An rna codon reading guu encodes for what? Choices: - glycine - carbon - arginine - valine A:
**Answer**
valine
*Question*
Answer the following question given this paragraph: Q: Where do organisms acquire toxic substances from along with nutrients and water? Choices: - reproduction - isolation - movement - environment A:
**Answer**
environment