Which of the following statements best describes the major difference between prophase I of meiosis and prophase of mitosis?A. In prophase I, tetrads of homologous chromosomes form and crossing over occurs.
B. In prophase, the nuclear membrane dissolves and spindle fibers attach to the chromosomes.
C. In prophase I, the chromatin condenses to form visible chromosomes.
D. In prophase, the replicated chromosomes are linked together as sister chromatids.
Give three examples of stimuli that your sensory receptors are responding
Answers
Sensory receptors are cells which are able to receive external stimuli such as light, temperature and pressure. These receptors send the information they receive to the brain and it is understood as a sensation.
Examples of sensory receptors are the cone and rod cells in the retina which receive light, pressure sensors on the skin, temperature sensors on the skin, taste cells on the tongue and many more.
The x and y chromosomes determine the gender of a person. These chromosomes are called the _____________A. gender chromosomes
B. sex chromosomes
C. dominant chromosomes
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sexxxxxxxxxxxxxx chromosomes.
Dominant chromosomes
How many categories are plants separated into?a.1b.2c.3d.4
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Plants are separated into C) 3 categories.
Are microscopic and macroscopic ecosystems affected by limiting factors differently?
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What subject is this?
What is an ephemeral stream?
Answers
An ephemeral stream is one that flows only after rainfall
Wind in the atmosphere and currents in the ocean are caused by uneven heating that produces _____