B because a and c are incorrect and in letter d it states earth has no protection at all. And it DOES have protection B is most definitely true
Answer:
Thymine and uracil or adenine have two hydrogen bonds between them, whereas guanine and cytosine have three.
Answer:
Kid I'm going to help you because well know is going to help you so today is your lucky day.
Explanation:
Cell Membrane-The protective barrier that encloses all cells and holds the cell together while allowing materials such as nutrients and wastes in and out the cell.
Cytoplasm-The syrup-like liquid that surrounds and protects the organelles inside of a cell.
Nuclues- is a membrane-bound organelle that contains the cell's chromosomes.
nucleolus- is a region found within the cell nucleus that is concerned with producing and assembling the cell's ribosomes.
Rough endoplasmic reticulum (RER) - a series of connected flattened sacs, part of a continuous membrane organelle within the cytoplasm of eukaryotic cells, that plays a central role in the synthesis of proteins.
Smooth endoplasmic reticulum (SER)- a meshwork of fine disklike tubular membrane vesicles, part of a continuous membrane organelle within the cytoplasm of eukaryotic cells
Golgi complex-The organelle that packages and distributes proteins both within and to the the OUTSIDE of the cell.
lysosome is a membrane-bound cell organelle that contains digestive enzymes. ... They break down excess or worn-out cell parts
mitochondria
-The main source of energy for the cell.
Vacuole- a space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
chloroplast- given photosynthesis to the plants
Cilia and flagella are projections from the cell.
Answer:
Mineral water and Distilled water
Answer: During the process of transcription, the information stored in a gene's DNA is transferred to a similar molecule called RNA (ribonucleic acid) in the cell nucleus. ... A type of RNA called transfer RNA (tRNA) assembles the protein, one amino acid at a time.