Answer:
Explanation:
Viruses are a limitation to cell theory.
According to cell theory, all cells arise from pre - existing cells. But viruses lack any membranes and do not show the characteristics of life unless they enter a living body and use its cell machinery to multiply.
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Answer:
A = 1
B = 4
C = 5
D = 3
E = 2
F = 6
Explanation:
A) Peptide hormones are not lipid soluble hence known as lipophobic and cannot diffuse through cell membranes examples of peptide hormones include luteinizing hormones, thyroid stimulating hormones, insulin and follicle-stimulating hormones.
B) Steroid hormones can not stored in secretory vesicles because of their lipophilic nature.
C) Amino acid-derived hormone are the hormones which are derived from tyrosine and tryptophan.
D) Anterior pituitary lobe of Pituitary gland is true endocrine gland of epithelial origin.
E) Hypothalamus produce screates six hormones in which vasopressin is also synthesized.
F) Posterior pituitary is responsible for storage and release site for oxytocin
Finches recognise individuals of their species based on appearance and songs. More specifically, finches differences in appearance that they can recognise include the body colour, size and shape. Concerning the songs that they sing, they are significant differences between the song that each species sing.
Answer:
b
Explanation:
<em>The correct answer as to the ocean process that exposes the coastal organisms to land-based predators would be the daily tidal patterns that leave the coastal area exposed to the land for a part of the day.</em>
Some parts of the coastal areas become exposed to land during certain periods of the day as a result of tidal waves. When this happens, the aquatic organisms occupying these coastal areas become temporarily exposed to land predators who hunt and kill them for food.
<u>Therefore, the correct option is b. </u>
Astronomers have seen stars forming within a nebular cloud. As the nebular cloud condenses and its own gravitational attraction collapses it, heat and energy build up creating a planet.
