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Anit [1.1K]
3 years ago
12

You have an organism with the following characteristics - it grows as single cells. It is heterotrophic and has a cell wall that

does not contain peptidoglycan. What are the possible identities for this organism? What other information do you need to know about it in order to get a definitive identification
Biology
2 answers:
prisoha [69]3 years ago
5 0

Answer:

Halophiles of Archaea domain

Explanation:

The Archaea are characterized as single cells. They can exihibit both the autotrophic and heterotrophic mode of nutrition. Their cell walls do not contain peptidoglycans but contain pseudo-peptidoglycans etc.  Their environmental conditions also need to be known to give a definitive identification and also are their organelles membrane bound.

babymother [125]3 years ago
4 0

Answer:

Yeast or archaea

presence/absence of nucleus and membrane-bound organelles.

Explanation:

A unicellular organism that is heterotrophic with cell walls that lack peptidoglycan could be a yeast or an archaea.

<em>Archaea, even though could be autotrophic or heterotrophic grows as single cells and their cell walls lack peptidoglycan.</em>

<em>Yeasts represents a group of unicellular fungi. They are also heterotrophic and lacks peptidoglycan in their cells walls (they have chitin instead).</em>

In order to arrive at a more definitive identification, an information about the presence or absence of nucleus and other membrane-bound organelles will suffice.

Archaea do not have nucleus and membrane-bound organelles while yeast cells have both attributes.

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D) Two different plants are crossed. One has the genotype tt and the other has the
Solnce55 [7]

Answer:        t      t

               T    Tt    Tt

                t     tt     tt

Explanation:

8 0
3 years ago
15 points Explain the importance of ecosystem stability and include a description of an ecosystem that has become unstable?
stealth61 [152]

Answer:

The importance of ecosystem stability is that if the ecosystem is not stable then it cannot survive. A current example of an unstable ecosystem in the Amazon Rain forest. It has been delt so much damage that it is begining to self destruct and kill itself as well as emit greenhouse gases instead of slowing them.

Explanation:

5 0
3 years ago
When in danger, I can’t run from a stranger; But even when I’m in a bad mood, I can make my own food. What kingdom am I?
Anna71 [15]

<u>Answer:</u>

<em>I belong to the kingdom Plantae. </em>

<u>Explanation:</u>

<em>Plantae is one among the five kingdoms in the five kingdom classification. </em>Plants are not mobile organisms unlike organisms of other kingdoms. <em>The roots of plants hold them to the earth and thus they are immobile. </em>

Being immobile, they cannot run away from potential dangers like mobile organisms. But being autotrophs they make their own food by the process of photosynthesis. <em>Heterotrophs depend on autotrophs for food to obtain energy.  </em>

8 0
3 years ago
If the hawk population decreases due to overwhelming, what would be the effect on the food chain
Aliun [14]

Answer:

Overpopulation in the area's main source of prey, such as rabbits, mice, etc.

Explanation:

A hawk is a predatory creature. That means that it feeds off of prey, such as mice or rabbits. In the case that the population saw a sudden decrease, the population sizes of the hawk's main source of prey would increase due to hving less of a threat towards their own survival.

8 0
3 years ago
Stem color of tomato plants is known to be under the genetic control of at least one pair of alleles such that A- results in the
fredd [130]

Answer:

Genotype - AaMm

Phenotype - Heterozygous purple stem and fruit with  two locules

Explanation:

Given

Trait 1 - Recessive allele for green color stem is represented by a

and dominant allele for purple color stem is represented by  A

Trait 2 - Production of two locules in the tomato fruit is a dominant trait and is represented by "M" and production of multiple locules in the tomato fruit is a recessive trait and is represented by "m"

F1 cross is carried between tomato plant with purple stem and fruit with two locules (AAMM) and a tomato plant that have fruit with multiple locules and a green stem (aamm)

The following offspring will be produced

AM         AM         AM         AM

am AaMm AaMm AaMm AaMm

am AaMm AaMm AaMm AaMm

am AaMm AaMm AaMm AaMm

am AaMm AaMm AaMm AaMm

Genotype - AaMm

Phenotype - Heterozygous purple stem and fruit with  two locules

3 0
3 years ago
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