Humans living in environments with good medical care are most likely to exhibit which of the
following survivorship curves?
a. Type I, which is graph A
b. Type II, which is graph B
c. Type I, which is graph C
d. Type III, which is graph C
e. Type III, which is graph A
A
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Exposure of zebrafish nuclei to meiotic cytosol resulted in phosphorylation of NEP55 and L68 proteins by cyclin-dependent kinase 2. NEP55 is a protein of the inner nuclear membrane, and L68 is a protein of the nuclear lamina
What is the most likely role of phosphorylation of these proteins in the process of mitosis? A) They enable the attachment of the spindle microtubules to kinetochore regions of the centromere. B) They are involved in the disassembly and dispersal of the nucleolus. C) They are involved in the disassembly of the nuclear envelope. D) They assist in the movement of the centrosomes to opposite sides of the nucleus.
You are a genetic counselor, and a couple comes to you with concerns that if they have a child together, he or she
could have hemophilia. The woman has an X-linked recessive form of hemophilia, but the man does not. How should you advise them?
a. Half of their children will have hemophilia.. b. All of their sons and half of their daughters will have hemophilia. c. None of their children will have hemophilia, but all of their daughters will be carriers for hemophilia. d. Each of their sons will have a 50% chance of having hemophilia, and each of their daughters will have a 50% chance of being carriers. e. All of their sons will have hemophilia, and all of their daughters will be carriers.
Which of these is an often abundant plankton organism in the North Sea?
a. Radiolarians b. Shrimp c. Coccolithophores d. Dinoflagellates e. Ocean sunfish (Mola mola)
In populations where individuals with extreme values of a trait have the highest fitness, the average value of the trait may not change, but the amount of variance in the trait does increase over time. This set of circumstances is known as ________
[two words] Fill in the blank(s) with correct word