Answer:
vitamin c
Cantaloupe.
Citrus fruits and juices, such as orange and grapefruit.
Kiwi fruit.
Mango.
Papaya.
Pineapple.
Strawberries, raspberries, blueberries, and cranberries.
Watermelon.
vitamin a
You can also get vitamin A by including good sources of beta-carotene in your diet, as the body can convert this into retinol. The main food sources of beta-carotene are: yellow, red and green (leafy) vegetables, such as spinach, carrots, sweet potatoes and red peppers. yellow fruit, such as mango, papaya and apricots.
That's the function of the nucleus.
The nucleolus makes ribosomal subunits from proteins and ribosomal RNA, also known as rRNA. ... Ribosomes make proteins; therefore, the nucleolusplays a vital role in making proteins in the cell. Function of the Nucleolus. Ribosomes are made of two subunits, a large and a small
The answer is operon. These set of genes are transcribed together because they share a single promoter and operator. Therefore they are transcribed into one mRNA and translated together. These genes are, therefore, expressed together at all times. Examples are the tryptophan and lac operons of Escherichia coli
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.