What is the inner coat of the seed called?

a. tegmen
b. radicle
c. testa
d. epicotyl


a. tegmen

Biology & Microbiology

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Which of the boxes marked 1-4 correspond to plants with a heterozygous genotype?

A) 1 B) 1 and 2 C) 1, 2, and 3 D) 2 and 3 E) 2, 3, and 4

Biology & Microbiology

Each molecule of hemoglobin can bind up to six molecules of oxygen

Indicate whether the statement is true or false.

Biology & Microbiology

In the following pedigree, the indicated trait is most likely caused by which type of allele?



A) autosomal recessive
B) autosomal dominant
C) X-linked recessive
D) X-linked dominant
E) Y-linked

Biology & Microbiology

The first known hominin species to leave

Africa was

a. Homo sapiens b. Homo erectus c. Homo habilis d. Australopithecus afarensis e. Homo neanderthalensis

Biology & Microbiology