In eukaryotes, the translation initiation complex forms in association with the 40S ribosomal subunit
Indicate whether the statement is true or false
TRUE
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Select the incorrectly-matched organism and its primary nitrogenous waste product.
A. mammals—urea B. reptiles—uric acid C. most fish—ammonia D. insects—ammonia E. birds—uric acid
If R is dominant to r, the offspring of the cross of RR with rr will ____
a. have a unique phenotype b. have the same phenotype as the RR parents c. have the same phenotype as the rr parents d. have the same genotype as the RR parents e. have the same genotype as the rr parents
An X-linked carrier is a
a. homozygous dominant female. b. heterozygous female. c. homozygous recessive female. d. homozygous male. e. heterozygous male
An experiment mixed together oil (lipids), organophosphate-containing detergent in water, and copper ions to act as a catalyst for a chemical reaction. Membranes budded off of the oil in this mixture. Which of the following is a reasonable and possible explanation of the experimental results?
a. The chemical reaction caused the organophosphates from the detergent to chemically combine with lipids from the oil to form phospholipids. The hydrophilic tails lined up towards each other with their hydrophobic heads pointing out towards the water; this configuration formed a phospholipid bilayer that pulled into a liposome. b. The chemical reaction caused the organophosphates from the detergent to chemically combine with lipids from the oil to form phospholipids with hydrophilic heads and hydrophobic tails. The hydrophobic tails lined up towards each other with their hydrophilic heads pointing out towards the water; this configuration formed a phospholipid bilayer that pulled into a spherical liposome. c. The copper ions permanently, chemically combined with the lipids to form phospholipids. The hydrophilic tails lined up towards each other with their hydrophobic heads pointing out towards the water; this configuration formed a phospholipid bilayer that pulled into a liposome. d. The copper ions permanently, chemically combined with the lipids and phosphates to form phospholipids. The hydrophilic tails lined up towards each other with their hydrophobic heads pointing out towards the water; this configuration formed a phospholipid bilayer that pulled into a liposome.