Archaeal cytoplasmic membranes are composed of unbranched phospholipids
Indicate whether the statement is true or false
FALSE
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Answer the following statements true (T) or false (F)
1. Eukaryotic genes are almost always organized in groups, similar to operons in prokaryotes. 2. Unmethylated CpG islands are correlated with inactive genes. 3. Loosely packed chromatin is said to be in an open conformation. 4. MicroRNAs increase the rate of mRNA translation.
Infants who are homozygous dominant for achondroplasia
a. are often stillborn. b. grow to be no taller than two feet. c. grow taller than individuals who are heterozygous. d. attain a normal height. e. do not develop arms and legs.
Does the interpretation on the estimated coefficient on the treatment change if you use a proxy variable to control for a confounding factor?
A. Yes, the coefficient on the treatment is biased. B. Yes, the coefficient on the treatment suffers from the simultaneity bias. C. No, but instead of getting causal estimate you're only estimating partial correlations. D. No, the estimated coefficient is a consistent estimate of the causal effect.
In mammals, the most rapid cell division by mitosis occurs in:
A) eggs and sperm (gametes). B) meristematic tissues. C) the bone marrow. D) neurons. E) heart muscle cells.