Answer the following statements true (T) or false (F)
1. Red blood cells are derived from endoderm.
2. The posterior end of the neural tube will develop into the brain.
3. Cleavage occurs after implantation into the lining of the uterus.
4. The probability of the immune system attacking a transplanted organ as opposed to transfused blood is higher.
1. FALSE
2. FALSE
3. FALSE
4. TRUE
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Where are the protein complexes associated with the electron transport chain located?
A. mitochondrial matrix B. mitochondrial membrane C. mitochondrial inner membrane D. mitochondrial intermembrane space E. cytosol
Which of the following developmental events occurs
last? a. tissue specialization b. gamete formation c. gastrulation d. cleavage e. organ formation
In a certain variety of plants, a cross between a red-flowered plant and a white-flowered plant
produced an all-red flower F1. In the F2 there were 140 red-flowered plants, 50 cream-flowered plants, and 65 white-flowered plants. (a) Offer an explanation for this F2 ratio. (b) What ratio would be produced in a testcross of the F1 hybrid? (c) What ratio would be produced if all the white-flowered F2 plants were crossed among themselves? What will be an ideal response?
Variations in restriction enzyme-cutting patterns of DNA from different individuals are called ________
A) STRs B) VNTRs C) RFLPs D) microsatellites E) minisatellites