5. All of the following are functions of nonspecific defenses, EXCEPT:

Biology

2 answers:

qwelly [4]2 years ago

7 0

It is system heart fr

NISA [10]2 years ago

6 0

Answer:

To hinder a pathogen from entry into the body

Explanation:

This pathway can only act in the specific pthogen, making it specific

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Which of the following statements about a prokaryotic cell is NOT true?

Gemiola [76]

The right option is; A. Prokaryotic cells have a nucleus

''Prokaryotic cells have a nucleus'' is the statement about prokaryotic cells that is NOT true.

Prokaryotic cells are cells that lack a true nucleus and some other cell organelles. Prokaryotic cells are found in unicellular organisms called prokaryotes. Examples of prokaryotes are; Bacteria and Archaea. The components of prokaryotic cells include plasma membrane, cell wall, cytoplasm, nucleoid, ribosomes, DNA (deoxyribonucleic acid). Most of the prokaryotic’s DNA (genetic material) is located in a middle area of the cell (nucleoid), and it contains a single large loop known as a circular chromosome.

7 0

3 years ago

The crossing of a hybrid and a dominant purebred will always result in offspring which are what?

inn [45]

Answer:

Dominant

Explanation:

A hybrid trait is also known as heterozygous, which is the combination of the dominant and recessive alleles of a gene. On the other hand, a purebred is combination of the same two dominant alleles or the same two recessive alleles. For example, in the gene coding for height, allele for tallness (T) is dominant over the allele for shortness (t).

A purebred for this trait will either be "TT" or "tt" while a heterozygous or hybrid will be Tt. Hence, according to this question, crossing of a hybrid (Tt) and a dominant purebred (TT) will always result in offspring which are DOMINANT (see attached image).