"Answer DThe outermost layer of old epidermal cells are sloughed off and replaced every 15 to 30 days. The sebaceous glands secrete sebum which maintains the skin pH between 3 and 5. Bacteria which metabolize sebum live as opportunistic pathogens on the skin and cause skin infections."
Answer:
C. a string of nucleotides that can be used as a template to produce a RNA that codes for a protein.
Explanation:
A gene is a specific sequence of DNA containing genetic information required to make a specific protien and is a string of nucleotides (DNA in cells) that can be used as a template to produce a RNA (by transcription) that codes for a protein. The produced RNA might be the end product (for example some transfer RNA's) or might be further translated into a protein. An organism's entire complement of DNA is its genome.
Answer;
B) all levels of organization within an organism are interdependent.
Explanation;
-The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
The levels of organization are dependent on each other, for example, the organ systems rely on each other for many different things and cannot function without the other. e.g. The nervous and endocrine systems control the activities of the digestive, excretory, circulatory and respiratory systems. Organ systems need to work together to maintain homeostasis in the body.
Answer:
false
Explanation:
"Empirical" means "based on observation or experience," according to the Merriam-Webster Dictionary. Empirical research is the process of finding empirical evidence. If there are flaws in the way that empirical data is collected, the research will not be considered valid.
A macrophage is a large phagocytic cell that engulfs foreign particles and pathogens. So Macrophage.
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