<span>The MOSQUITO spreads more parasitic diseases to humans than any other vector.
</span>
Answer:
Tendon sheaths <u>act as friction-reducing structures.</u>
Explanation:
Tendon sheaths are fibrous tissue that is around tendons to protect and make the movements of these smoother. For example, they reduce the friction of the flexors and extensors tendons of the hand. These are tendons that we constantly use to open and close our hands when we want to grab objects. Without the sheath, the tendons will not move easily, and due to the excessive use, there can be inflammation.
The sheats have two layers, one internal, which is a synovial one that produces synovial fluid to lubricate the tendon, and the external, which is a fibrous layer.
Answer:
Pregnancy, which is characteristically associated with changes in hormone levels in the body is a process tightly regulated by the hormon Human Chorionic Gonadotropin
Explanation:
The so-called pregnancy hormone is the Human Chorionic Gonadotropin (HCG). It only occurs during the gestation period and is responsible for regulating the entire process. Segregated by the placenta, it can be found in urine and blood.
The presence of the hormone in the urine allows to confirm the pregnancy with the test. As in pregnancy, the placenta begins to form, the cells that make it up begin to stimulate the production of HCG, which causes the hormone levels to increase very rapidly in the first trimester of pregnancy
The correct order is: B) 2, 5, 4, 3, 1.
2. A segment of DNA is transcribed in mRNA. mRNA is transferred to the cytoplasm. This is the process of transcription that occurs in the nucleus of the cell and it is the first step of gene expression. It is performed by the enzyme RNA polymerase.
5. The mRNA strand is fed through the ribosome. Ribosome is an organelle where protein synthesis (translation) occurs and it consists of proteins and RNAs.
4. Molecule of tRNA delivers amino acids from to the ribosome. tRNA is transfer RNA because of its function to carry amino acids to the ribosomes during protein synthesis.
3.The amino acids are dropped off at the ribosome.
1. The amino acids are joined to make a protein. Amino acids are added to a growing protein chain.
Answer:
Enzymes greatly affect reaction rate in the cells because it speed up the chemical process.
Explanation:
Enzymes are the substances which act as a catalyst during a chemical reaction. Enzyme speed up the chemical process by attaching with the molecules in the reaction and when the process completed it is detached from the molecules. No decrease occurs in the size of enzyme after the reaction is completed.
