Which of the following is not true?
A) Throughout the year, Earth's axis maintains the same alignment relative to the plane of the ecliptic.
B) During the winter months, Earth's axis is aligned towards Southern Cross.
C) The axis through Earth's two poles points just slightly off Polaris.
D) Earth's axis is titled 23.5° relative to the plane of the ecliptic.
Ans: B) During the winter months, Earth's axis is aligned towards Southern Cross.
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Answer the following statement true (T) or false (F)
what digestive enzymes are produced by the small intestine
What will be an ideal response?
Scientists often stain chromosomes from mitotic cells and photograph the chromosomes in the microscope. Each chromosome is cut out of the photograph, the chromosomes are matched up in homologous pairs and they are placed in order of decreasing size. These pictures can be used to screen individuals for chromosomal abnormalities, like extra, missing or grossly altered chromosomes. What is such a picture called?
a) prokaryote b) eukaryote c) karyoplan d) karyokinesis e) karyotype
Which of the following represents the lowest level of chromatin packaging?
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