Answer: During metaphase, the cell's chromosomes align themselves in the middle of the cell through a type of cellular "tug of war." The chromosomes, which have been replicated and remain joined at a central point called the centromere, are called sister chromatids.
Explanation:
Answer: Mitosis produces new cells, and replaces cells that are old, lost or damaged. In mitosis a cell divides to form two identical daughter cells. Mitosis separates these chromatids, so that each new cell has a copy of every chromosome.
Explanation:
Mitosis produces new cells, and replaces cells that are old, lost or damaged. In mitosis a cell divides to form two identical daughter cells.
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1.environmental health, and economic
Explanation:
The green space on top of the apartment provides an environmental, health and economic benefit.
- Environmentally, the green space will ensure that more oxygen is produce and the quality of air is improved.
- Plants will use up any excess carbon dioxide that might want to contribute to global warming.
- In terms of health, quality air is very important life.
- Breathing problems associated with polluted air is ameliorated.
- The higher rents is an economic advantage for the owner of the property.
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The probability is 1/16 that a gamete will receive only paternal chromosomes. In life
cycles that alternate between haploid and diploid stages, fertilization doubles
the number of chromosomes per cell, The pairing of chromosomes along
their lengths , which is essential for crossing over is referred to as synapsis
Answer: B, C, E
Explanation:
We breathe in oxygen, which travels to the alveoli in our lungs. The alveoli "gives" oxygen to the capillaries, which carry blood. The capillaries "give" its carbon dioxide (which is what oxygen becomes when used by our body) to the alveoli. The carbon dioxide travel back out when we exhale. Although, the air we breathe out has some oxygen content.
