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zheka24 [161]
3 years ago
11

1. On average, how do the proportions of typical and mutant bacteria change in the population over time? ​

Biology
1 answer:
cluponka [151]3 years ago
3 0

Answer:

bacteria

Explanation:

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Explain why the number of red and yellow kernels on the ear of corn represents the results of cross that is observed
Grace [21]

Answer:

The red kernels are the dominant trait and will be more numerous on the ear of corn than the yellow. This happens because its dominance mearns that if it is a combination of either RR or Rr, it will still take over the r trait. The only time the yellow can be expressed entirely Is when the combination is rr.

3 0
3 years ago
Do ecosystems change over time? Why or why not?
strojnjashka [21]
Ecosystems, the interactive system of living and nonliving organisms in a specific location, CHANGE SLOWLY OVER TIME. When new plants and animals arrive in an area, they either thrive or struggle. Thriving species sometimes displace native species. When this happens, the system as a whole begins to change.
5 0
2 years ago
Read 2 more answers
When molecules move through channels and pumps, they usually: contact the tails of the phosholipids contact amino-acids on the i
alexira [117]
The correct answer is B.
Channels and pumps are transmembrane proteins that create hydrophilic tunnels across the membrane. This allows molecules to be diffused through them. The channels and pumps are highly selective and only allow the diffusion of specific molecules. The channel's structure blocks the contact of the molecule with the head and tail of the phospholipids that form the membrane. As we said, the channels and pumps are proteins, so they are formed by amino acids. Therefore, the molecules passing through channels and pumps, only come in contact with the amino acids.
7 0
3 years ago
Select the terms that fit in the science category physical science. Check all that apply Plants Solar system Light Air Land Soun
kramer

Answer:

Physical science is basically the study of non living things

So the answer is :

Solar system, Light ,Air ,land ,Sound and Water

5 0
3 years ago
Examine the climograph for some major north american biomes. Which two factors influence the distribution of organisms
omeli [17]

Answer:

Annual mean temperature and annual mean precipitation.

Explanation:

The major biomes of North American biomes include almost every one of these biomes, Tundra., Boreal, Deciduous, Prairie, Desert, montane and tropical. All these biomes are effects or influence the distribution of organisms by several biotic and abiotic factors as the organism is found in the biomes that help in their livelihood.

Abiotic factors that influence the biomes that are present in North America most are temperature and precipitation that can be measured in Annual mean temperature and precipitation.

Thus, The correct answer is - annual mean temperature and annual mean precipitation.

7 0
3 years ago
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