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Y_Kistochka [10]
3 years ago
6

Compare and contrast the structure of prokaryotes and eukaryotes. Describe an organelle that is common to both prokaryotes and e

ukaryotes. Speculate about which one came first, based on the structural properties you listed.
Biology
1 answer:
Liono4ka [1.6K]3 years ago
7 0

Answer:

Eukaryotes are alive, but Prokaryotes aren't.

But both contain a <em>plasma membrane</em>, <em>cytoplasm</em> and <em>ribosomes</em>. Hope this helps!

You might be interested in
In humans, the hormone testosterone enters cells and binds to specific proteins, which in turn bind to specific sites on the cel
LuckyWell [14K]

Answer:

As a transcription factor

Explanation:

Testosterone is a male sex hormone secreted by the testicles which promote the growth of the male reproductive organs and the male characters like muscle buildup.

The hormone shows the paracrine effect and thus act on the target cell at distant. The mechanism of action of the testosterone is that it controls the gene expression of various other genes.

The testosterone binds the specific proteins which activate the expression of the gene that is they acts as a transcription factor which activates the expression.  

Thus, as a transcription factor is correct.

4 0
3 years ago
Tallness ( T) is dominant to dwarfness (t), while red (R) flower color is dominant to white (r). The heterozygous condition resu
Tju [1.3M]

Answer:

All the offspring have genotype RrTt

Phenotype is Pink and tall snapdragon

Explanation:

Given

Tallness ( T) is dominant to dwarfness (t)

Red (R) flower color is dominant to white (r)

It is given that heterozygous condition results in pink (Rr) flower color which means that the allels for color of flower show co dominance

Genotype of dwarf red snapdragon is RRtt

Genotype of a plant homozygous for tallness and white flowers is rrTT

The punnet square representing the cross between RRtt and rrTT is as given below-

Rt     Rt         Rt     Rt

rT RrTt      RrTt RrTt    RrTt

rT RrTt      RrTt RrTt    RrTt

rT RrTt      RrTt RrTt    RrTt

rT RrTt      RrTt RrTt    RrTt  

Thus all the offspring have genotype RrTt

Phenotype is Pink and tall snapdragon

5 0
3 years ago
A scientist is comparing the outer structure of an onion cell, structure X, to the outer structure of a human skin cell, structu
hammer [34]

Answer:

Structure X is only found in plant cells, and structure Y is found in plant and animal cells.  

Explanation:

The structure found on the outside of the onion cell is the cell wall, which is specific to plants. The structure found on the outside of the skin cell is the cell membrane, which is found on all cells.

Structure X is not living, and structure Y is living.  - this is false, both animal and plant cells are living.

Structure X can be found in some human cells, and structure Y can be found in some plant cells.  - this is false, the opposite is true.

Structure X is only found in plant cells, and structure Y is found in plant and animal cells.  - this is true structure X is the plant cell wall, and structure Y is the cell membrane

Structure X is semipermeable, and structure Y is selectively permeable. Semi-permeable and selectively permeable are essentially the same thing - it means the barrier allows some substances to pass through but not others.

4 0
3 years ago
Read 2 more answers
2. The abiotic factors within a biome, such as the amount of daylight hours
iragen [17]

Answer:never gonna give you up, never gonna let you down or desert you

Explanation:ur fat lol haha xd

6 0
3 years ago
Which of the following balances is affected by the local force of gravity?
egoroff_w [7]
Analytical balance is your answer 
3 0
3 years ago
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