Platelets in mammals are functionally the same as ____ in other vertebrates
a. neutrophils
b. eosinophils
c. thrombocytes
d. monocytes
e. lymphocytes
c
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Experiments that utilize the deletion of a gene are referred to as ____ experiments
a. ablation b. control c. deletion d. knockout e. tinman
How do sperm move to fertilize eggs?
A. with flagella made of actin B. by diffusion C. with cilia made of actin D. with flagella made of microtubules E. with cilia made of microtubules
_______ are complex carbon ring structures that
often have an iron atom at their center. a. Hemes b. Globins c. Globulins d. Sugars e. Alkenes
Many animals have a skeleton to provide support. What do plants cells depend on for support so that the stems of the plant can remain upright?
A) chloroplasts B) cell membrane C) mitochondria D) cell wall