Forensic PCR techniques make copies of the entire DNA strand.
a. true
b. false
b. false
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Most animal hormones _____
A) are produced by endocrine glands B) are lipid-soluble molecules C) are carried to target cells in the blood or hemolymph D) are protein molecules E) elicit the same biological response from all of their target cells
Which statement is TRUE of the behavior of
chromosomes in mitosis? a. Each new cell receives half of the number of chromosomes in the original cell. b. Each new cell receives copies of all the original chromosomes. c. If the original number of chromosomes was 46, each new cell will have 23. d. The sister chromosomes are not identical due to breakages in the DNA. e. All chromosomes are duplicated except the sex chromosomes.
The vascular bundles of dicots separate the ground
tissue into two zones. Which of the following correctly describes the arrangement of these zones from outside to in? a. outermost xylem >>> phloem >>> pith >>> cortex b. outermost phloem >>> xylem >>> pith >>> cortex c. outermost cortex >>> phloem >>> xylem >>> pith d. outermost pith >>> phloem >>> xylem >>> cortex e. outermost cortex >>> xylem >>> phloem >>> pith
Flat bones
What will be an ideal response?