Which statement best supports the theory that eukaryotic cells evolved
through endosymbiosis?
A. Eukaryotic cells can eat prokaryotic cells by engulfing them with
cell membranes.
B. All prokaryotic cells are covered by a stiff cell wall that protects
them.
C. Their chloroplasts contain DNA that is similar to that of
prokaryotes.
D. Chains of amino acids form inside tiny bubbles filled with organic
molecules.
Answer:
Their chloroplasts contain DNA that is similar to that of
prokaryotes
Explanation:
This is based on the theory that the membrane bound organelles of chloroplast and mitochondria which are peculiar to Eukaryotas evolved from bacteria by endosymbiosis. Thus bacteria contain the DNA of these organism Evidently, these organism (Eukaryotas) must have cohabited with bacteriA some time ago
Crossing a BB parent with a bb parent results in
Answer:
All dominant allele children with the genotype Bb
Explanation:
Use a punnet square to see how. It's quite simple when u learn the logistics :)
Hope this Helps!
When the two parental genotypes BB and bb are crossed, the genotype of all [tex]F_1[/tex] plants is Bb.
What is Genotype?An organism's genotype is defined as the complete set of genetic material that can also be used to refer to alleles or variants that occur in a particular gene or genetic locus.
The term "genotype" describes the genetic makeup of an organism as it describes the complete set of genes of an organism. This term can be used to refer to alleles, or variants of genes, carried by an organism.
When two organisms like BB parent crossed with bb parent, the offsprings that will produce is Bb.
Thus, when the two parental genotypes BB and bb are crossed, the genotype of all [tex]F_1[/tex] plants is Bb.
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Which of the following structures would be used to identify a prokaryotic cell? A. mitochondria, Golgi body and lysosomes B. cell wall, flagella and chloroplasts C. cell membrane, ribosomes and a chromosome
Answer:
the is b- cell wall,flagella and chloroplasts
Which of the following plant parts does the fruit develop from?
1) stigma
2 ) pistil
3 ) ovary
4)none of the above
Which kind of organic molecules did Miller and Urey create in their
experiment?
A. Glucose
B. Nucleotides
C. ATP
D. DNA
Answer:
D
Explanation:
Which of the following describes the difference between drama and other prose and poetry?
Unlike other literary genres, drama is written to be performed.
Drama is closer in length to a short story than it is to a novel.
Dramas do not contain a theme or lesson to be learned.
Dramas were only written before 1900 and are no longer written today.
Answer
es la a
Explanation:
es la a porque:
A. diferencia de otros géneros literarios, el drama está escrito para ser interpretado.
Answer:
A
Explanation:
Part of ecosystem
Contains energy storage molecules? (yes or no)
Energy storage molecules flowing in? (yes or no)
Energy storage molecules flowing out? (yes or no)
Producers
Consumers
Decomposers
Dead matter
Abiotic matter
Pls the question at the top are to be asked for each one
Answer:
From the question, here are the answers.
1. Yes.
2. Yes.
3. Yes.
Producers
Consumers.
Decomposers
Dead matter
Abiotic factors
Explanation:
An ecosystem consist of communing of both living organisms (biotic factors) and non living organisms(abiotic factors) interacting together. These biotic and abiotic factors are connected together through nutrients cycle and energy flows.
The abiotic factors are non living part of the ecosystem and they consist of sunlight, temperature, wind, water, soil e.t.c.
The biotic part consist of the living part and they include plants and animals. Ecosystem consist of producers, consumers, decomposers, dead matter,abiotic factor, energy storage molecules energy storage molecules that flow.
1. Yes.
2. Yes.
3. Yes.
The explanation regarding Producers , Consumers., Decomposers , Dead matter , and Abiotic factors is explained below:
An ecosystem comprise of both living organisms (biotic factors) and non living organisms(abiotic factors) These biotic and abiotic factors are connected together through nutrients cycle and energy flows. The abiotic factors are non living part of the ecosystem such as of sunlight, temperature, etc.The biotic part consist of the living part and they include plants and animals. Ecosystem consist of producers, consumers, decomposers, dead matter,abiotic factor, etc.
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The outside of a bacterial cell is protected by a structure called a ??
5. What is pretexting? How is this used?
When used together, perspective and color variation create what effect for the
viewer?
A. A psychological reaction
B. The illusion of depth on a flat surface
C. The illusion that a three-dimensional object is flat
D. Temporary blindness
Which event in Earth's history most directly allowed life to exist on land?
Earth's temperatures increased, causing widespread evaporation.
Earth collided with a large object, forming the moon.
Single-celled organisms released oxygen into the air when they photosynthesized.
Single-celled organisms absorbed harmful gases from the air when they first formed.
Answer:
c; Single-celled organisms released oxygen into the air when they photosynthesized.
Explanation:
Got it right on edge
Answer:
c
Explanation:
Which of these is a form of nonrenewable energy?
O A. Fossil fuel energy
O B. Solar energy
C. Wind energy
O D. Hydroelectric energy
Answer:
Fossil fuel energy
Explanation:
This is because oil from fossils take a millions of years to form and people won't be able to wait millions of years
Fossil fuel energy is a form of non-renewable form of energy. Thus, the correct option will be A.
What is Non-renewable energy?A non-renewable energy resource is a natural resource which cannot be readily replaced by the natural means at a particular pace which is quick enough to keep up with the consumption of the energy resource. An example of the non-renewable energy resource is a carbon-based fossil fuel. The original organic matter with the aid of heat energy and pressure generally becomes a fuel such as the oil or natural gas.
There are four major types of the nonrenewable resources which include oil, natural gas, coal, and the nuclear energy. Oil, natural gas, and coal are collectively known as the fossil fuels. Fossil fuels were formed within the Earth from the dead plants and animals over a period of millions of years and hence are named as the fossil fuels.
Therefore, the correct option will be A.
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What is a herbivore?
A. an animal that gets energy from eating other animals
B. an organism that gets energy from eating only plants
C. an animal that gets energy by eating both plants and other animals
D. an animal that eats only herbs
An herbivore is an animal or organism that gets energy from eating only plants, which is present in option B. Examples are the goat, cow, etc., and they eat the producers, such as the plants.
What is the role of the herbivore?The herbivore is the animal that directly eats the plants of the ecosystem, which are later eaten up by the carnivore, and the herbivore gets more energy than the carnivore as they get energy directly from the plant source. The herbivore only eats plants, and the different ecosystems have different herbivores, such as the land ecosystem, which has the goat, elephant, cow, etc.
Hence, an herbivore is an animal or organism that gets energy from eating only plants, which is present in option B. Examples are the goat, cow, etc., and they eat the producers, such as the plants.
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What property of water allows fish and other animals to swim below the
frozen surface of lakes and rivers during the winter?
A. Solid water is denser than liquid water.
B. Solid water is less dense than liquid water.
C. Solid water is warmer than liquid water.
D. Solid water is colder than liquid water.
The soil in a flower pot, the amount of water added to the pot, the amount of
sunlight received by the plant, the amount and type of fertilizer given, and the
temperature of the air surrounding the pot all make up the plant's
a. ecosystems
b. habitat
c. abiotic factors
d. biotic factors
Abiotic factors are non-living components of an ecosystem that influence their surroundings. Examples may be light, water, and temperature in a terrestrial habitat, hence option C is correct.
What are abiotic factors?Abiotic variables are non-living elements that have an impact on the survival, development, and existence of living things, including plants.
We may concentrate on the water as one of these abiotic elements even though there are many others that are equally significant and have a part to play.
Water is one of, if not the most, critical abiotic factors since it is essential for plant existence. Depending on how severe the absence of water is, it will be a limiting factor for a plant's growth or even life.
Therefore, abiotic factors are non-living components of an ecosystem that influence their surroundings, hence option C is correct.
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