____ is common in sandy intertidal areas
a. Predation
b. Algal grazing
c. Deposit feeding
d. Parasitism
C
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Choose the true statements about the initiation of limb development in tetrapods.
_____ Forelimbs in birds and humans are analogous structures. _____ The development of homologous limbs in different species involves the activation of all the same genes. _____ Like Brachyury, Tbx5 has a T-box domain that codes for a transcription factor. _____ Tbx5 encoded protein turns on genes that initiate limb development.
Hemophilia is caused by an X-linked recessive gene. A normal woman whose father had hemophilia marries a normal
man. What are the chances of hemophilia in their children? What will be an ideal response?
Which of the following situations does not result in a breakdown of the proton gradient?
a. Cyanide poisoning b. Oxygen deprivation c. Uncoupling proteins
PKU is a hereditary condition that appears only if a person has two copies of the gene. Therefore, the gene is ________
Fill in the blank(s) with correct word