when its cold, the __ contracts and draws the testes closer to the body to keep them warm

Fill in the blank(s) with the appropriate word(s).


cremaster muscle

Biology & Microbiology

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Answer the following statements true (T) or false (F)

1. Unmethylated CpG islands are correlated with inactive genes. 2. Loosely packed chromatin is said to be in an open conformation. 3. Alternative versions of proteins often have similar functions. 4. MicroRNAs increase the rate of mRNA translation.

Biology & Microbiology

The part of the plant that allows for the exchange of carbon dioxide and oxygen is the:

a. Root b. Stomata c. Xylem d. Phloem e. Cuticle

Biology & Microbiology

During the last two months of fetal development of the female, sex hormones cause bone remodeling of the pelvic girdle that adapts it for pregnancy and birth

Indicate whether the statement is true or false

Biology & Microbiology

One of the basic principles of ecosystems is that ________ moves through the ecosystems in a continuous one-way flow

Fill in the blank(s) with correct word

Biology & Microbiology