Approximately how long after fertilization does the egg implant in the uterine wall?

A. 5 days
B. 1 day
C. 3 days
D. 7 days
E. 10 days


A

Biology & Microbiology

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For a particular chemical reaction, the enthalpy of the reactants is -400 kJ. The enthalpy of the products is -390 kJ. The entropy of the reactants is 0.2 kJ/K. The entropy of the products is 0.3 kJ/K. The temperature of the reaction is 25 degrees Celsius. What can you conclude about this reaction?

A. It is exergonic B. It is endergonic C. it is a redox reaction D. It is being catalyzed by an enzyme

Biology & Microbiology

Bone matrix is secreted by

a. osteoblasts. b. osteocytes. c. osteolytes. d. osteoclasts. e. osteopores.

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If an X-linked disorder is lethal to the affected individual prior to the age at which one reaches reproductive maturation, the lethality will be expressed only in males. Why is this so?

What will be an ideal response?

Biology & Microbiology

Compare and contrast r-selected and K-selected organisms. Give examples of both plant and animal species that fit

each category. What will be an ideal response?

Biology & Microbiology