Answer:
400
Explanation:
Because if you pull one black marble out of four and there are 100 black marbles then there is 300 others, so in total it would be 400 marbles.
thanks if i'm given brainliest!!!
Release of a neurotransmitter across the synapse is triggered by the entry of Ca++ into the presynaptic axon. No Ca++ entry means no transmission across the synapse.
Answer: The probability is 100%.
Explanation: The chromosome X is related to gender. A man carries two different chromosomes (XY) and a woman carries two similar chromosomes (XX). The offspring of a couple will inherited:
- If it is a boy, he inherites the chromosome Y from his father and X from his mother;
- If it a girl, she inherites X from her father and X from her mother;
In the question, the woman is color-blind, which means she carries the recessive alleles:
The man, on the other hand, is normal, so his X-linked genotype will be: .
Now, since they have a daughter, she inherited her double X from each of her parents, which means she inherited one from her mother and one from her father.
So, the daughter's genotype can only be heterozygotic in other words, the probability is 100%.
Answer:
2. It carries water from the roots to the leaves.
Explanation:
Phloem is the vascular tissue in charge of transporting and distributing organic nutrients.
I believe it is called the cardiac muscle.