Answer:
Collagen, elastin, fibronectin, and laminin are the four principle classes of fibrous proteins found in the extracellular matrix. Fibrous proteins add tensile strength to tissues but provide much of their stretchiness, as well
Explanation:
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Epithelial cells are mainly used for protection; in the urinary tract, these tissue cells are used to protect the bladder from toxic urine. The tissue can also expand to hold larger quantities of urine.
Answer:
Scourge
Explanation:
Scourge is something or someone that causes suffering. It can be in the physical sense like pain and torture, or it can be in the form of emotional and psychological pain. Scourge is not limited to physical beings or things, it can also be events or situations like droughts, diseases, earthquakes.
Answer:
Bull = Pp
Cow A = pp
Cow B = pp
Cow C = Pp
Explanation:
In cows polled (P) is dominant over horned (p) trait.
The bull is polled so it can be PP or Pp. Cow B is horned so it must be pp. Resultant offspring from bull X Cow B is also a horned calf (pp). This calf must have received one p from the bull. So the bull's genotype is Pp.
Cow A is also a horned cow so it must be pp. When bull X Cow A, a polled calf is produced. Since the bull's genotype is Pp and Cow A's genotype is pp, this polled calf will be Pp like the bull.
Cow C is polled like the bull so it can be PP or Pp. However on crossing with the bull (Pp) a horned calf is produced (pp). This calf got one p allele from the bull and p allele from the Cow C. So Cow C's genotype must be Pp.
Hence,
Bull = Pp
Cow A = pp
Cow B = pp
Cow C = Pp
