Which structure is the end of the uterus and produces different kinds of mucus capable of either blocking or guiding sperm through the opening into the uterus?
A. uterus
B. cervix
C. vagina
D. ovary
E. fallopian tube or oviduct
B
Biology & Microbiology
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A mutation seen in Drosophila is found to cause antennae to grow on the abdomen of the flies. What type of mutation is this likely to represent?
A) evolutionary mutation B) silent mutation C) homeotic mutation D) lethal mutation
Biology & Microbiology
Cell markers composed of both carbohydrate and lipid molecules are known as (glycoproteins/glycolipids/glycogen).
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Why do lacI-d alleles have a dominant-negative effect?
What will be an ideal response?
Biology & Microbiology
Outline at least 3 ecological roles of marine flowering plants
What will be an ideal response?
Biology & Microbiology