D, I believe
Meiosis produces gametes, each parent provides a gamete, containing half the number of require chromosomes. These combine to create a full set of chromosomes.
Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). The sympathetic nervous system (SNS) releases the hormones (catecholamines - epinephrine and norepinephrine) to accelerate the heart rate. The parasympathetic nervous system (PNS) releases the hormone acetylcholine to slow the heart rate. Such factors as stress, caffeine, and excitement may temporarily accelerate your heart rate, while meditating or taking slow, deep breaths may help to slow your heart rate.
Answer:
A plant that has two alleles for a trait.
Explanation:
<em>Took the test</em>
<span>The Benedictâs test is used for studying the reducing sugars.
When the aldehyde is oxidized, the copper gets reduced and precipitates, changing the blue color of the solution to orange or red color.
The darker the color indicates that the solution has higher levels of sugar or a high amount of chemicals that have been reduced in the Benedictâs test.</span>
