Answer:
Yes you are correct good job
What are some ways to prevent the spread of zebra mussels?.
Zebra mussels are the invasive species of the molluscan phylum and are freshwater organisms. Proper washing and cleaning of the boats and vessels should be done.
What is the effect of the Zebra mussels?Zebra mussels are invasive and non-native species that spreads very quickly in the water bodies. There increased population affects the native species of the water bodies as it affects the food resources.
Some of the ways by which the spreading of the mussels can be prevented are by washing the boats and the vessels before reentering them in other water bodies. Another way is to dispose of the water containing baits and catches on lands instead of emptying them into other water sources.
Therefore, the spreading of zebra mussels can be prevented.
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What portion of a pre-mRNA molecule may be cut out and discarded before the molecule reaches the ribosome?
What portion of a pre-mRNA molecule may be cut to be discarded?
ans:- In eukaryote cells the primary transcript (pre-mRNA) is processed. One or more sequences (introns) are cut out.
Study the timeline. A timeline. 4. 5 billion years ago, Earth is formed. 4. 3 billion years ago, Earliest water. 4. 1 billion years ago, Single celled life. 3. 5 billion years ago, Earliest oxygen and photosynthesis. 2. 5 billion years ago, Complex single celled life. 1. 5 billion years ago, Multi cellular life. 500 million years ago, Land life. 300 million years ago, Dinosaurs. 200 million years ago, Mammals. 130 million years ago, Flowers. 5 million years ago, Humans. Based on the timeline, about how many years ago could the oldest mammalian organism have lived? 5 million years 200 million years 1. 5 billion years 4. 5 billion years.
Geological timeline is the chronological dating of the organisms and the geological happening in the orderly manner of the years and dates. The oldest mammals lived 200 million years ago.
What are the different species that arrived in the geological timelines?5 million years ago humans arrived, 200 million years ago first mammal organism, 1.5 billion years ago complex single-celled organisms and 4.5 billion years ago Earth was formed.
The geological timeline is important as it portrays the presence and arrival of the organisms and the formation of some of the structures.
Therefore, mammals arrived at option B. 200 million years ago.
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Photons are critical to the process of photosynthesis because photons _____ are needed to excite the electrons of the pigment atoms in chlorophyl. cause leaves to appear green and attract sunlight. provide the electricity needed to excite the chlorophyll in the leaves. provide the water needed to conduct photosynthesis. provide the chlorophyll needed to conduct photosynthesis.
Photons are critical to the process of photosynthesis because photons are needed to excite the electrons of the pigment atoms in chlorophyll.
WHAT IS PHOTOSYNTHESIS?Photosynthesis is the process whereby green plants obtain their nutrition by utilizing energy from sunlight.
Photosynthesis takes place in two stages namely;
light dependent reactionslight independent reactionsIn the light dependent reactions, photons of energy from sunlight hits the chlorophyll molecules, causing them to be excited.
Therefore, photons are critical to the process of photosynthesis because photons are needed to excite the electrons of the pigment atoms in chlorophyll.
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9.
Oxygen gas
production will happen
within me.
Answer:
Into the atmosphere through tiny openings in the leaves called stomata.
describe the similarities and differences between Lichens and chloroplast-containing eukaryote lineages
The cool similarities between lichens and the chloroplast-containing eukaryote lineages are as follows:
They both have fungi and algae as their components.However, the difference between chloroplast-containing eukaryotes and lichens is that:
Lichens do not absorb nutrients and water like eukaryotesWhat are eukaryotes?Eukaryotes are organisms which possess true nucleus. Examples of protists include the following:
ProtistsFungiPlantsAnimalsLearn more about eukaryotes:
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In maintaining homeostasis of body temperature, what role does the hypothalamus play?.
Part of a genetic counselor’s job may be discussing with parents the probability of their
child inheriting a recessive allele for genetic disease. The counselor may use a Punnett
square to illustrate the chances of a child inheriting this allele. What is this genetic
counselor illustrating when constructing a Punnett square to advise these parents?
The Punnett square considers gamete combinations. These combinations will depend on parental alleles.
What is a Punnett square?A Punnett square is a diagram used to estimate genotypic and phenotypic proportions in a given genetic cross.
The Punnett square has into account gamete combinations to estimate genetic proportions in a given cross.
For example, in presence of a recessive allele designed as 'a' in a parent
A a
A AA Aa
A AA Aa
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Ca(OH) – CaO + H2O
What type of chemical reaction?
combination reaction
Two compound CaO and H 2 O combine to from a single compound, Ca(OH) 2. Hence, it is a combination reaction.
When a plant cell is placed in a _ solution there will be a loss of water causing the plant to wilt
Answer:
transpiration
Explanation:
I think is transpiration
name the energy that enables the molecules to move
Answer:
Kinetic energy
Explanation:
In guinea pigs, black hair is dominant. If a black guinea pig is crossed with a
white guinea pig, and the litter contains a white offspring, the genotype of the
black-haired parent is probably?
Answer:
In guinea pigs, black coat color is a dominant trait and white is a recessive trait. When heterozygous black pigs are intercrossed the chance of the first two offspring being black is: A 75%
Explanation:
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Why is the location of zygote formation an adaptation to living on land.
Answer: why is the location of zygote formation an adaptation to life on land? archegonium- only evolved in gymnosperms, ferns, angiosperms not in moss.
Explanation: Hope This Helps!
From: Kenji
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The location of zygote formation an adaptation to living on land as protection and nourishment of the zygote becomes the prime aim of the parent organisms.
What is zygote?Zygote is the product of fertilization of two gametes. It is the first cell of an organism that divides and redivides to give rise to an entire organism. Thus, protection and nourishment of the zygote becomes the prime aim of the parent organisms.
The land plants usually retain their zygote within the female gametophyte, so that the zygote remains protected and can be nourished till it reaches a suitable condition to germinate. Retaining the zygote on the living gametophyte of land plants allows it to be nourished by the parent plant.
During the process of fertilization when two gametes fuses together in the process of sexual reproduction the product of fusion is known as zygote and it is responsible for the growth of the foetus.
Therefore, The location of zygote formation an adaptation to living on land as protection and nourishment of the zygote becomes the prime aim of the parent organisms.
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Two strands of DNA produced during replication are copies of each other.
This is because what is true about each strand in the double helix?
Question 4 options:
they are continuous
they are complementary
they are connected
they are identical
Answer: They are complementary
Explanation:
Essentially, two strands of DNA are complementary means that the bases are arranged along the molecule such that the chains fit together tightly so as to be lightly secured by hydrogen bonds
Answer:
B
Explanation:
They are complementary
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The medium ground finch (Geospiza fortis) and the cactus finch (Geospiza scandens) are similar in size and appearance. As you can tell from their scientific names, they belong to different species. What taxonomic ranks do they share?
One of the revolutions in molecular biology in the past decade was
the use of Green Fluorescent Protein (GFP) to make it easier to visually identify specific
components inside living cells. GFP can be seen under a microscope because it fluoresces,
or glows, when certain types of light shine upon it. Scientists can instruct a cell to link GFP
to a specific protein as it is being created and then follow the protein under a microscope.
Explain why this might be useful.
GFP can be useful because has been widely used as a biomarker and can be obtained from gene manipulation, using recombinant Escherichia coli as a microorganism for protein expression.
what does GFP allow?GFP allowed intracellular structures to be observed without the need to employ synthetic dyes or fluorescent antibodies (which may require the use of detergents for cell permeabilization, which can also harm them).
With this information, we can conclude that GFP can be useful because it has been widely used as a biomarker and can be obtained from gene manipulation, using recombinant Escherichia coli as a microorganism for protein expression.
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Explain the mechanism of the movement of the human forelimbs
Answer:
Forelimb protraction starts with a rapid flexion of the shoulder joint bringing the humerus close to its maximum cranial rotation angle, almost in parallel to the mid-sagittal plane. This position has already been reached by the middle of the swing phase.
Which process occurs in the chloroplast of plant cells?
a. Photosynthesis
c. Reproduction
b. Cellular Respiration
d. Protein synthesis
Answer:
a
Explanation:
in plants photosynthesis take place in chloroplast ,which contain the chrophyll
Which set of phrases best describes the process of meiosis
Which could best be used to explain why bacteria can infect a person very quickly?.
Answer:
binary fission
Explanation:
Hope this helps...
Answer:
Binary fission
Explanation:
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What effect have at-home dna tests had on law enforcement? readworks.
Answer:
By matching a suspect’s DNA with DNA from a suspect’s distant relatives who have taken a commercial at-home DNA test, law enforcement can zero in on a perpetrator.
What are the five levels of ecological organization & how is each defined?
Answer:
The levels, from smallest to largest, are: Molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
When a population has inhabited an area for a long time and the population size has stabilized because of resource limitations,
A. the population is below carrying capacity.
B. predation decreases.
C. population density is very high.
D. population density is very low
Answer:
then the population is below carrying capacity.
Explanation:
A population size will remain stable if the birth rate and the death rate are equal, as are the rate of emigration and the rate of immigration When a population has inhabited an area for a long time and the population size has stabilized because of resource limitations Carrying capacity has been reached
Overemphasizing a trait to make up for a perceived or actual failing is using __________ as a defense mechanism.
What does the Third Witch predict for Macbeth?
Answer:
Macbeth will be a thane, Macbeth will be king and Banquo's sons will be kings.
Explanation:
This is biology make sure to put your question under the English category.
The cities of Rabat in Morocco and Beirut in Lebanon are both at the 34° N latitude, same as Los Angeles, California, but further east on Earth. Can they use the NASA Star Finder?(1 point)
Yes, but they should adjust for their local time.
Yes, but they should adjust for their local time.
No, they have to construct one using their country’s star charts.
No, they have to construct one using their country’s star charts.
Yes, they can use it as is.
Yes, they can use it as is.
No, they have to adjust it eastward for their location.
Answer:
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Explanation:
Yes, they can use the NASA Star Finder. Thus, the correct option for this question is C.
What is NASA Star finder?NASA Star finder may be defined as an object that tracks a star, like a camera, takes a picture of the star patterns in its view, and significantly compares the picture with its built-in star maps.
A NASA star finder is able to track any sort of star at any location. Similarly, it has the capability to locate the cities of Rabat in Morocco and Beirut in Lebanon which are both at the 34°N latitude. This is the efficiency of such type of object that is significantly based on the accurate function of the satellites.
Therefore, according to me, they can definitely use the NASA Star Finder. Thus, the correct option for this question is C.
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i need funny make me laugh
Answer:
What did the fish say when he swam into a wall?
Dam.
Explanation:
No. You do not deserve to laugh.
Which of the following would be the response to an animal hearing movement behind it while it drinks water? A: migrating to a new location B: moving from potential danger C: moving toward light D: going into hibernation
Answer: It Would be B moving from potential danger
Explanation: I think thats its B because its more careful when the animal knows where the predators are.
Which statement best describes the relationship between photosynthesis and cellular respiration?
Group of answer choices:
A. Photosynthesis produces carbon dioxide, which is the reactant required for cellular respiration to occur.
B. Photosynthesis and cellular respiration produce the same products, but different reactants.
C. Photosynthesis and cellular respiration require the same reactants, but produce different products.
D. Photosynthesis produces oxygen, which is the reactant required for cellular respiration to occur.
Answer:
the answer is D
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What would be the most likely effect of a large deletion in the gene that encodes the rna part of telomerase, and how would the function of telomerase be affected?.
Telomerase would lose the function of its internal template and would be unable to correctly associate with telomeres and synthesize new telomeric DNA. :)
