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konstantin123 [22]
3 years ago
14

A cell has a circular chromosome and histone proteins associated with its dna, but lacks a nuclear membrane. Choose the domain o

f the cell with the best justification.
Biology
1 answer:
strojnjashka [21]3 years ago
7 0

Answer;

-It belongs to Domain archaea

Explanation;

-Domain Archaea is any of a group of single-celled prokaryotic organisms (organisms whose cells lack a defined nucleus) that have distinct molecular characteristics separating them from bacteria as well as from eukaryotes.

-Eukaryote and archaea (ancient bacteria) both have DNA wrapped around histones to form chromatin.

-Eubacterium (true bacteria) do not contain histones.

-Eukaryotes have multiple linear chromosomes while archaea have a single circular chromosome.

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Which of the following accurately describes the flow of energy through ecosystems?
ki77a [65]
<span>d. The percentage of the original energy from producers that's available to the consumer is quite small.

The 10% energy rule.
This energy rule states that every energy that is transferred from one organism to the other decreases by 10%. For example, a plant has created food thru photosynthesis gained 1000J and a cow eats it it would receive an energy of 100J and a human eats the cow would receive 10J.</span>
5 0
4 years ago
Read 2 more answers
Gregor Mendel observed that two plants with purple flowers could produce some offspring with white flowers and some offspring wi
podryga [215]

Answer:

Heterozygosity

Explanation:

The correct term that could explain the phenomenon is heterozygosity.

<u>In heterozygous condition, a gene is made up of two different alleles in which one would be dominant and the other would be recessive. </u>

<em>In heterozygous purple plants in which the alternate color is white, the white color is not expressed because its allele is in a recessive state. If two heterozygous plants are mated, the recessive allele in each plant would combine into some of the offspring, resulting in the production of white color progeny in addition to the dominant purple color progeny.</em>

Let us assume that the purple color allele is P and the white color is p.

   Pp    x    Pp

 PP  Pp  Pp  pp

PP and Pp - purple color

pp - white color.

4 0
3 years ago
Please help me someone please
GREYUIT [131]

Answer:

The answer is something I am not sure but you can just ask someone else from braninly

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You can do this by using the search icon on the top right corner of your screen

5 0
3 years ago
Name Streptococcus agalactiae, what morphology would you expect these cells to have?
Colt1911 [192]

Answer:

round and in chains

Explanation:

<em>Streptococcus agalactiae </em>is a gram positive bacteria. It is facultative anaerobe and forms a part of microbiota in gastro intestinal and urinary tract of healthy humans. It can cause infections in immuno compromised beings.Its genus name describes its morphology. Coccus are round spherical shaped bacteria. Strepto means that the bacteria are present in chain form. Hence this bacteria is spherical and arranged in chains.  

There are several other types of bacterial morphology. For example: Staphylococcus means that the bacteria is again spherical but this time arranged in groups. Diplococcus means that the spherical bacteria is arranged in a pair. Similarly, bacillus is used to describe a rod shaped bacteria.

7 0
3 years ago
Mendel's pea plants exhibited a number of simple dominant/recessive traits. let's say a dominant homozygous purple –flowered pla
Vikki [24]
If the purple plant is dominant homozygous it should be PP and the if the white flower plant is recessive, it should be pp. If both plants are crossed bred, the possibility will be Pp Pp Pp Pp 
3 0
3 years ago
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