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Prior to 1950, the death rate was high, which kept the numbers of humans from increasing rapidly. In the 19th Century, the agricultural revolution increased food production. The industrial revolution improved methods of transporting food and other good. In the 20th Century, advances in medicine, sanitation and nutrition have decreased the death rates further. These factors combined to produce the rapid growth of the human population in the 20th century. Explain 4 factors (inventions or public health measures) that decrease the death rates of infants and small children that lead to our exponential population growth.
In a population you count 30 red plants, 50 pink plants, and 20 white plants. What are the allele frequencies of the CR and CW alleles in this population.
q1. janine is a 20-year-old college student who is 54 tall and weighs 130 pounds. she engages in moderate exercise 3-5
Why can't a monomeric receptor tyrosine kinase recruit proteins to the receptor? What would happen if the GTP-ASE protein(GAP) were inhibited?what is The most abundant class of enzyme.
Which growth pattern best characterizes growth of the human population over the past 10,000 years? a. logistic growth b. exponential growth c. faster than exponential growth d. slower than logistic logistic growth e. dynamic fluctuations.
q. you are working in a human genetics laboratory that studies causes and treatments for eye cataracts in newborns.
A dominant allele, A, causes yellow color in rats. The dominant allele of another independent gene, R, produces black coat color.
"The genetic material ultimately unravels, deteriorates, and the cell dies. This causes cells to die over time, or "age" so they cannot infinitely keep duplicating." What types damages or diseases do we experience as a result of the unraveling and..
Suppose that in rats, grey fur (T) is dominant to tan (t). If you mate a tan rat with a homozygous dominant rat, Determine what fraction of the offspring will be homozygous?
Hair is principally comprised of the fibrous protein alpha keratin. If warmed in the presence of moisture and 2-mercaptoethanol, hair can be extended by pulling on the ends.
what is an advantage to being a specialist? what is a disadvantage of being a specialist?
What are halophile, thermoacidophile and methanogen archaebacteria?
q1. 1. why are some fruits sweet and some sour whereas others have no specific taste?2. how does ripening of fruit
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