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Crank
2 years ago
14

Which statement describes redshifts?

Biology
2 answers:
solmaris [256]2 years ago
6 0

Answer:

B

Explanation:

babunello [35]2 years ago
5 0

the answer is B :) youre welcome

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Why is it not safe to touch electricity equipment with wet hand?
Sliva [168]

Answer:

We should not touch electrical appliances with wet hands because our body is a good conductor of electricity and since we may get electric shocks. ... Also one should avoid getting wet while touching electrical appliances because water is also a conductor not pure one though

Explanation:

4 0
3 years ago
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If one parent is heterozygous white (Ww) and the other is homozygous black (ww), give the phenotype and genotype ratios for this
kotykmax [81]
The first answer is B and the second is C Because half of the kids will be homozygous black, and the other half Heterozygous white.
7 0
3 years ago
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What is an amino group made out of? What specific parts of cells can they be found in?
EastWind [94]

Cell membranes protect and organize cells. All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike prokaryotes, eukaryotic cells also possess internal membranes that encase their organelles and control the exchange of essential cell components. Both types of membranes have a specialized structure that facilitates their gatekeeping function.

8 0
3 years ago
5. The F2 generation of a cross between a parental tall and a parental short pea plant is 298 tall plants and 102 short plants.
Vadim26 [7]

Answer:

The answer is XX.

Explanation:

Let us say that X is the dominant gene and x is the recessive gene for the height of the pea plants. Pea plants need to be homozygous or heterozygous  to have the short phenotype which means it needs to have the genotype xx or Xx.

The F2 offspring has a ratio of 74,5% tall plants and 25,5% short plants. For these results, the stem height pea plant needs to be homozygous which is an XX genotype for the tall pea plant.

I hope this answer helps.

7 0
3 years ago
Adaptations of the chloroplast​
zepelin [54]

Answer:

Chloroplasts are the ’solar energy plants’ of a cell – they convert light energy into chemical energy

This chemical energy may be either ATP (light dependent) or organic compounds (light independent)

Only photosynthetic tissue possess chloroplasts (e.g. is present in leaves but not roots of plants)

Chloroplasts are thought to have once been independent prokaryotes that were internalised by eukaryotes via endosymbiosis

They have a double membrane structure (due to vesicular coating as part of the endocytotic process)

They have their own DNA (circular and naked) and ribosomes (70S)

Their metabolic processes are susceptible to certain antibiotics

The structure of the chloroplast is adapted to the function it performs:

Thylakoids – flattened discs have a small internal volume to maximise hydrogen gradient upon proton accumulation 

Grana – thylakoids are arranged into stacks to increase SA:Vol ratio of the thylakoid membrane

Photosystems – pigments organised into photosystems in thylakoid membrane to maximise light absorption

Stroma – central cavity that contains appropriate enzymes and a suitable pH for the Calvin cycle to occur

Lamellae – connects and separates thylakoid stacks (grana), maximising photosynthetic efficiency

Explanation:

please mark me as brainliest

7 0
2 years ago
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