None of the children are adopted just one of the them got both of there parents blood types
Answer:
A. a lack of permanently frozen soil.
Explanation:
<h3><u>Answer</u>;</h3>
Genes;
- are specific nucleotide sequences
- are located in a specific place on a chromosome
- determine the traits of an organism
<h3><u>Explanation;</u></h3>
- Genes are the basic physical and functional units of heredity. They consists of a specific sequence of nucleotides at a given position on a given chromosome that codes for a specific protein.
- Genes consist of three types of nucleotide sequence: coding regions, called exons, which specify a sequence of amino acids, non-coding regions, called introns, which do not specify amino acids and regulatory sequences, which play a role in determining when and where the protein is made.
<span>A system for conducting a scientific investigation
</span>
Answer:
Explanation:
Gram-negative bacteria are more resistant to lysozyme and antibiotics than Gram-positive bacteria, because they have a largely thick impermeable cell wall (peptidoglycan), an outer lipid membrane that causes reaching of antibiotics to bacteria harder.
Gram positive bacteria have thin lipid peptidoglycan cell walls.