Answer:
1. Viruses are unable to respire
2. Viruses are unable to excrete
Explanation:
Both respiration and excretion are essential parts of the life processes of living organisms. Viruses, however, are unable to perform these processes and are therefore considered non-living.
The myosin head moves toward the M line, pulling the actin along with it , as the actin is pulled, the filaments move approximately 10 nm toward the M line
Dna replication <span>MUST occur before mitosis and meiosis can occur</span>
Answer:
Glucose is the substance produced during photosynthesis which provides food for plants and animals in a food web.
Explanation:
The main source of energy in a food chain or food web is made by the producers. These producers are mostly plants that make food by the process of photosynthesis. As a result of photosynthesis, glucose is made as the main product whereas oxygen is made as the by-product. Glucose made is used to drive energy for all the activities of the cell. This energy, released from glucose, is carried within an ecosystem from one organism to another.
Answer:
Doppler effect is a change in frequency and wavelength of a wave. It is caused by the change in distance between the thing creating the wave (causer) and whatever is measuring seeing or hearing the wave (watcher or observer). Another word for "causer" is "sender".
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