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dolphi86 [110]
3 years ago
8

"The isolation of cell-cycle mutations in yeast was greatly facilitated by the use of _______________ mutations, which allow inv

estigators to study the effects of mutations that would be lethal if expressed constantly"
Biology
1 answer:
PSYCHO15rus [73]3 years ago
8 0

Answer:

The correct answer is - conditional mutation.

Explanation:

Conditional mutation is a type of mutation that has less severe or wild-type phenotype or traits that physically appears under particular permissive environmental conditions and a mutant phenotype under particular restrictive environmental conditions.

Thus, the correct answer is a conditional mutation.

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In addition to naming species, Linnaeus also grouped species into a hierarchy of increasingly inclusive categories. The largest
Semmy [17]

Answer:

The correct answer is D) domain

Explanation:

The father of taxonomy is Linnaeus. Taxonomy helps in classify and naming organisms. The modern taxonomy has eight levels of classification. Domain, kingdom, phylum, class, order, family, genus, species.

Domain is the highest level of classification so it is the largest category that would include closely related species. When we go from domain towards species the number of similarities increase and number of organism decrease and vice versa is true when we move from species to domain. So the right answer is domain.

8 0
3 years ago
When a magnet is dropped why soes it lose it magnetic properties
LUCKY_DIMON [66]
I actually had a similar question on my test and this is the answer:

The reason the magnet loses its magnetic properties is is because when you drop the magnet or bump it against something, the domain can get bumped or dropped out of alignment.

Hoped this helped :)
Have a great day <span />
5 0
3 years ago
Read 2 more answers
Organisms may play only one role in an ecosystem true or false
anyanavicka [17]
This is false. Organisms may play several important roles in an ecosystem. Consider for example and ocean shore environment occupied by a particular species of crab. The crabs are scavengers and eat any organic matter they encounter. They therefore play an important role in the cycling of nutrients in the ecosystem. The crabs are however also an important source of food for a range of other species occupying the same habitat, including octopi, certain fishes and sea otters. Therefore, the crabs are an important part of the food web in the ecosystem. Many species similarly occupy multiple important roles in an ecosystem.
4 0
3 years ago
Opening K or Cl- channels in a postsynaptic membrane would produce an inhibitory postsynaptic potential (IPSP). Opening K or Cl-
Gennadij [26K]

Answer:

True

Explanation:

In inhibitory postsynaptic potentials, the opening of chlorine and potassium channels generally occurs so that chlorine enters, with a negative charge, and potassium leaves, with a positive charge. The synergistic effect of this ionic flow is the hyperpolarization of the cell, making it difficult for an action potential to occur.

7 0
4 years ago
Next Door Cellular is a leading mobile network operator. Since most of the resources used by Next Door Cellular are easily avail
Katen [24]
<h2>Rare</h2>

Explanation:

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4 years ago
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