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scZoUnD [109]
3 years ago
12

Bacteriophage t4 can adsorb to its host because of binding sites in its tail fibers that recognize areas of the e. Coli cell wal

l.
True
False
Biology
1 answer:
fenix001 [56]3 years ago
8 0
I think it’s true, i’m not too sure tho
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Summarize Mendel's experiment. ( Mendel's Peas)
Anit [1.1K]
Gregor Mendel lived in an Austrian monastery and tended the monastery garden. In 1865, through his observations of the garden pea plants that grew there, Mendel developed three basic principles that—although ignored at the time by his scientific colleagues—would later become the foundation for the new science of genetics.Every pea plant contains both male and female reproductive parts and will normally reproduce through self-pollination.
8 0
3 years ago
What are some negative impacts of having this life cycle that might have contributed to a decline in the dragonfly population?
KonstantinChe [14]

Answer:

Dragonflies are important for our environment.

Explanation:

Dragon flies belongs to the ancient family of insects. They are found on every parts of the world and have been from around 300 millions years ago. There are more than 5000 different species of them found in different parts of the world. Conserving dragonflies is important as they considered as a valuable environmental indicators.

Dragon flies are found in the areas where water is available and near grasslands. Their life cycle is an example of an incomplete metamorphosis. The dragon flies lays their eggs near the water or in the water. Dragon flies spends most of the life time as a nymph in the water where they turn into an adult and leave the water. The dragon flies rely on the aquatic ecosystems all through their life. Thus dragonflies are an important indicators of the environment and water quality.

Most of the life cycle of the dragon flies depend on the availability of water and its quality. Polluting water and destroying their habitat will result in the decline of the population of the dragon flies.

5 0
3 years ago
What percentage of species do scientists predict we will drive to extinction by the year 2100?
Dovator [93]

Answer: 50%

<span>Life on Earth appears to be on its way to extinction because of the carbon being pumped into our atmosphere.</span>

<span>Biologists reported that one in five species on Earth show signs of extinction, and unless urgent action is taken to save the planet’s biosphere, </span><span>scientists predict that  50% of species will be driven to </span>extinction by the year 2100.

<span>.</span>

7 0
3 years ago
The water table is ________.
ladessa [460]

Answer:

is the surface where the water pressure head is equal to the atmospheric pressure

Explanation:

is the upper surface of the zone of saturation. The zone of saturation is where the pores and fractures of the ground are saturated with water.

3 0
3 years ago
Blood ph and cerebrospinal fluid ph are affected by carbon dioxide content. how does this enable the organism to sense a disturb
frutty [35]

The answer is B. The cardiac, respiratory, and vasomotor control centers are in the medulla. This means that the medulla controls heart rate, blood pressure, breathing, and the size of the body's blood vessels. They have chemoreceptors, pH sensing structures that detect levels of carbon dioxide in the blood and adjust the breathing rate accordingly.






3 0
3 years ago
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