Answer: C. There is energy to support life on earth.
The earth receives thermal energy from the sun via. radiation. This energy is captured by chlorophyll pigments of plants and other organisms to conduct photosynthesis. The sunlight energy is necessary for synthesis of food in the form of glucose. The glucose is converted into chemical form of energy as ATP which is required for respiration process in plants. Photosynthesis and respiration both are necessary processes to sustain life of plants, which further support life of other living organisms. Therefore, energy transfer support life on earth.
B. Each tRNA molecule has a codon that matches an mRNA anticodon.
C. The process continues until a ribosome reaches AUG.
D. The process continues until a ribosome reaches UAA, UAG, or UGA.
B. Blood pressure would increase between heartbeats.
C. Blood flow would be temporarily blocked between heartbeats.
D. Blood volume would increase between heartbeats.
Answer:
The correct answer is option A, Blood pressure would drop during a heartbeat
Explanation:
When the arteries get constrict, the walls of arteries reduces the space/volume with in the arteries which causes blockage for a very minute time period. When the flow is blocked the blood pressure increases, while when the walls are released the pressure reduces but the flow increase.
This process is also refered to as Vasoconstriction and it is a normal process which stabilizes the blood pressure.
Answer:
the leucocytes, neutrophils, and monocytes can engulf foreign substances like bacteria
Explanation:
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Answer:
Cholesterol is a much needed component in the cell that is present in the plasma membrane and is also used as a hormone precursor. A lipoprotein complex (such as LDL or low density lipoprotein) is then used to transport the cholesterol to other cells in the body. On the surface of the cell is a LDL receptor that binds the LDL complex to begin the endocytic process. These receptors were synthesized in the Endoplasmic Reticulum (ER) and were then transported and processed in the Golgi. Once the receptor is bound to the complex on the surface of the cell, clathrins are recruited along with other proteins that aid in the process. The receptors cluster together to form clathrin-coated pits. The coated pits are pinched off, forming endocytic vesicles, and are then uncoated. After uncoating, the vesicle is delivered to an endosome. The low pH in the endosome causes a conformational change that releases the LDL particles. These particles are then directed to the lysosome for degradation, releasing the cholesterol into the cell.
Some Glimses are taken from the internet
B. the hinge joint of the elbow
C. the joint between a metacarpal and the proximal phalanx
D. the ball-and-socket joint between the scapula and humerus
E. the plane joints between the carpal bones (wrist)
Answer:
B . The hinge joint of the elbow.
Explanation:
Uniaxial joint allows for motion in a single phase.
The uniaxial joint example from the given options is the joint of the elbow. A uniaxial joint allows for motion in one plane or axis only, like the joint of the elbow which allows primarily for flexion and extension.
The correct answer is option B: the joint of the elbow. A uniaxial joint is a type of synovial joint that allows for motion in one plane or axis only. Examples of uniaxial joints include joints, like the elbow or knee, and pivot joints, like the proximal radioulnar joint in the forearm. The elbow joint specifically is a joint because it allows movement primarily in one direction, that is, bending (flexion) or straightening (extension).
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