Answer:
Ribosomes are responsible for making proteins
Lysosomes are responsible for removing wastes, as well as destroying a cell after it dies
Answer:
functions of ribosomes and lysosomes :-
ribosomes -
- they are many in number.
-they are not membrane bound.
-they are responsible for protein synthesis. the more the amount of protein synthesised, more the number of ribosomes.
- they are either attached to endoplasmic reticulum or they will be freely present inside the cytoplasm.
lysosomes -
- they contain digestive enzymes that break down waste materials, foreign material and cellular debris. they are capable of digesting fats,proteins, etc. along with them lysosomes also digest or damage their own cells by their own enzymes, which lead to death of the cells. this process is called as autolysis. hence, tysosomes are also called suicidal bags.
Why a nuclear bomb explosion would continue to harm life long after the explosion?
Answer:
ddddddd
Explanation:
dddddd
8. Which of the following shows an example of extinction?
A: Two species of caterpillars compete for the same food
B: Two species of caterpillars breed to create a new species
C: A generation of caterpillars all metamorphosize into butterflies
D: An entire species of caterpillar dies off
Answer: D
Explanation: hope this helps
What is the main difference between the two parts of protein synthesis?
A. The first builds RNAs and the second builds proteins
B. The first happens in the presence of oxygen and the second is anaerobic
C. The first requires the input of energy from the cell and the second is passive
D. The first take place in the cytoplasm and the second takes place in the nucleus
Answer:
A
Explanation:
transcription creates mRNA, while translation builds proteins
In the process of protein synthesis, the first builds RNAs and the second builds proteins. The correct option is A.
What is protein synthesis?Cells create proteins through a process known as protein synthesis. Transcription and translation take place simultaneously.
The conversion of genetic information from DNA to mRNA in the nucleus is known as transcription. Initiation, elongation, and termination are its three stages.
Creating a polypeptide, or protein consisting of a chain of amino acids, is the sole goal of protein synthesis. Keratin, a protein, is produced in the cells of the hair follicle.
In the first stage, messenger RNA (mRNA) is created. After leaving the nucleus, mRNA moves into the cytoplasm and joins a ribosome.
At this time, the second stage of translation starts, during which a specific protein molecule is created by reading the genetic instructions contained in the mRNA molecule.
Thus, the correct option is A.
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What is the long underground stem on a non vascular plant called?
Rizome
root
stem
Rizoid
Answer:
Rizome root dude good luck
Answer:
Rizome
Explanation:
Hope this helps
Based on the information given in the chart, which kingdom most likely has the highest percentage of photosynthesizing organisms? A. Eubacteria B. Animalia C. Plantae D. Fungi
Answer:
The answer is C. in other form Kingdom Plantae its C
All the the cells are the same on the inside?
true or false?
Answer:
false
Explanation:
because the cells are unique and different
Answer:
Even though there are many different types of cells, they all share similar characteristics. All cells have a cell membrane, organelles organelles, cytoplasm, and DNA. ( is false)
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It's hard to believe that forces and energies in space have an impact of events here on Earth. Scientists believe that the Sun is a huge influence on our planet. They have evidence to support their theories.
Can you pick out the statements that are true; statements that support the influence of the Sun on the Earth?
Spring tides are the largest tides due to the combined influence of the Sun and the Moon.
The sunspot cycle results in ice ages on Earth.
Solar flares disturb some radio communications here on Earth.
Geomagnetic storms on the Sun can damage to Earth-orbiting satellites.
The Sun's gravity is responsible for the planets' orbital path.
Answer:
the third one as I studied and knew.
what atom is similar to H
The living organism found within an ecosystem
Answer:
The living organisms in an ecosystem can be divided into three categories: producers, consumers and decomposers. They are all important parts of an ecosystem. Producers are the green plants The third type of living organism in an ecosystem is the decomposers.
Explanation:
no
Put the levels of organization in an ecosystem in order from the largest to the smallest
Hunting reserves also support wildlife conservation.give reason
Answer:
. because wild life is a renewable natural resource
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Which of the following is NOT a consequence of a stressed ecosystem?
A. Famine
B. Drought
C. War
D, Increased Population
Answer:
C
Explanation:
due to all the other questions come naturally that stresses the ecosytem
Where are solar panel farms built?
Answer: California
Explanation:
The first 1 MWp solar park was built by Arco Solar at Lugo near Hesperia, California at the end of 1982, followed in 1984 by a 5.2 MWp installation in Carrizo Plain.
Answer:
California
Explanation: Thats where the first one was built.
A. Producer
B. Primary consumer
C. Secondary consumer
D. Tertiary consumer
Answer:B. Primary consumer
Explanation:The reason why Its b because that primary comsumers are mostly herbivores or the primary comsumer is the first consumer to eat the producer.Hope it helps!
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Why would scientists conduct research on a newly discovered alternative fuel?
A. To maintain the public dependence on fossil fuels
B. To maintain the success of the petroleum industry
C. To confirm that the alternative fuel is cleaner than fuels currently used
D. To confirm that the alternative fuel increases atmospheric carbon dioxde.
Answer:
C. To confirm that the alternative fuel is cleaner than fuels currently used
Explanation:
The current fuels from mining, cutting down trees and even transportation is bad for the atmosphere. These fuels cause climate change which could potentially bring a lot of dangers. The reason scientists would conduct research on a newly alternative fuel is so that the fuel would be a lot more cleaner which could prevent the dangers that are to come.
Most biology textbooks prior to 1990 listed the major function of ribonucleic acid (RNA) as transferring information from DNA to make proteins. In late 1989, Thomas Cech proposed that RNA had a second major function: as a catalyst for chemical reactions that occur inside the cell. His discovery surprised most scientists and caused the rewriting of many chapters in biology textbooks. What aspect of the scientific process does this best illustrate?
Answer:
The correct answer would be - overgeneralization of a hypothesis.
Explanation:
In this case, the scientist uses to think and listed the transferring information from DNA to make proteins as the main and major function of the RNA until Thomas Cech proposed that it is the second most important catalyst that takes place in the cell and catalyzes cell's chemical reactions.
This illustrates major aspects of the scientific process: overgeneralization of a hypothesis as RNA is not just a molecule that assists and transfers the information but new evidence found it has catalytic activity also.
A father is heterozygous (AO) for his type A blood and a mother is heterozygous for her type B(BO) blood. What percentage of their offspring would you expect to have a child with O type blood?
Answer:
2 : 2 BO : OO
Explanation:
Children either have blood group B or O thus the probability of a child being either blood group B or O is 50%.
To what other kind of "The Leap" might the title refer?
Answer:
1)Her first physical leap is that of one of the Flying Avalons as she saves her life in the storm that toppled the big top.
2)Her second physical leap is that of climbing a tree and leaping from a branch that hangs over the roof of her house so that she can rescue her daughter from the burning bedroom
3)Her figurative leap is that of learning to read in the hospital where she meets her second husband, the physician who set her arm and read to her while it mended.
Anna Avalon has told her daughter that as one flies through the air there is definitely time to think. "I know that she's right." The narrator's mother has
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The parts of the female reproductive tract normally include to ovaries to uterine tubes a single pair shaped uterus and a single vagina. Gamete production is the responsibility of the ovaries whereas protection and nourishment of growing embryo and fetus before birth and functions of the uterus the two Tubes known as fallopian tubes one from each ovary provide pathways for the female gamete (eggs) to get from the ovaries to the uterus.
Referred to the figure provided identify the structure where fertilization occurs.
#2
#4
#3
#1
Answer:#1
Explanation:
Which ecosystem would be affected the most by losing its butterflies, and why?
A.
Ecosystem 2 because it has more kinds of plants, animals, and insects.
B.
Ecosystem 1 because it has more plants that depend on the butterfly.
C.
Ecosystem 2 because it has more insects that compete with the butterfly.
D.
Ecosystem 1 because it has fewer kinds of plants, animals, and insects.
Answer:
D. Ecosystem 1 because it has fewer kinds of plants, animals, and insects.
Explanation:
I took the test on study island and d was the correct answer.
PLS HELP MEEEE IM TIMED!!
Answer:
...34 minutes later...
Explanation:
Hi sorry Im probably too late anyway but I do hope you did good! Have a wonderful week!
The stars appear to move across the sky every day, but
their paths change throughout the year. Here is a model of
the Sun-Earth system.
Based on the model, which three factors might cause this change in the
apparent movements of the stars?
Answer:
Earth's Revolution around the sun, The tilt of Earth's Axis, and Earth's rotation on its axis.
Explanation:
I have done this test
1. The Earth's revolution around the Sun: As the Earth revolves around the Sun, the stars appear to move across the sky each day. This is because the Earth is rotating on its axis, which causes the stars to appear to be moving from east to west.
2. The Earth's tilt: The tilt of the Earth's axis also has an effect on the apparent movement of the stars. As the Earth rotates around the Sun, the tilt of the Earth's axis changes throughout the year. This causes the stars to appear to move slightly differently at different times of the year.
3. The Precession of the Equinoxes: The precession of the equinoxes is the gradual wobble of the Earth's axis which takes place over thousands of years. This has an effect on the apparent movement of the stars, as the angle of the Earth's axis changes over time. This causes the stars to appear to move in a slightly different pattern than they did thousands of years ago.
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Question 1 (2 points)
(04.02 LC)
Which of the following describes an element? (2 points)
a
Matter made up of only one type of atom
Ob
A substance made of two or more types of atoms
Ос
Two or more types of atoms chemically bonded together
Od
Two or more types of atoms that are not chemically bonded
Answer:
Two or more types of atoms chemically bonded together
Explanation:
Hope this helps
A siamese cat can be one of three colors. Black(B) , Orange (O) or black and orange(BO).
What will be the result of crossing a purebred orange siamese cat with a hybrid (BO)?
Offspring Genotypes
Offspring phenotypes?
What type of inheritance is this?
Answer:
Offspring Genotypes - ½ BO : ½ OO
Offspring phenotype - ½ Black orange cat : ½ orange cat
Type of inheritance - Co-dominance
Explanation:
This question involves a single gene coding for skin color in Siamese cat. The alleles for orange color (O) and black color (B) are co-dominant i.e. they are both expressed in a heterozygous state.
According to the question, a purebred orange siamese cat (OO) was crossed with a hybrid cat (BO). The following gametes will be produced by each parent:
OO - O only
BO - B and O
Using these gametes in a punnet square (see attached image), the following proportion of offsprings will be produced from this cross:
½ BO : ½ OO
½BO - Black orange phenotype
½OO - Orange phenotype
- This type of inheritance is CO-DOMINANCE
A rabbit is born with brown(g) fur. It has 9 other siblings from the same
litter, and they all have white(G) fur.
Select the True Statements.
• Brown fur is caused by a mutation
•The dominant allele is G
•The dominant allele is g
•gG is a genotype for white fur
•Brown fur is the recessive trait
•Gg is a genotype for brown fur
•The recessive allele is g
•White fur is dominant over brown fur
Answer and Explanation:
What we know:
1 rabbit born with brown fur (g).
9 other siblings with white fur (G).
The correct answers:
- The dominant allele is G
This is because G is capitalized, and there are more white bunnies than brown.- Brown fur is the recessive trait
We see that (g) isn't capitalized for the brown bunny, and that there was only 1 brown bunny out of the 10 bunnies in total. So, brown fur is a recessive trait.- The recessive allele is g
This is correct because g isn't capitalized, and acts recessive, or doesn't appear unless the genotype is gg, in which the recessive trait will then appear/unhide.- White fur is dominant over brown fur
There is more white fur bunnies than brown fur bunnies, so the white fur trait is dominating the brown fur trait.I hope this helps!
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In a family with parents who do not have hemophilia, one son has hemophilia. Who was the carrier of the gene for hemophilia?
*if possible, I also need a Punnett square *
Answer: All daughters of a man with hemophilia will be carriers
Explanation:
13. Given the original DNA strand, which of the following would be the new, complementary strand
of DNA? ACTTACGCCGAT *
(8 Points)
CAGGCATAATCG
ACTTACGCCGAT
TCAATCGCCGTA
TGAATGCGGCTA
Answer:
TGAATGCGGCTA
Explanation:
The complementary DNA codes for A is T and for G its C
Answer:
TGAATGCGGCTA
Explanation:
Remember these are the complementary dna base pairs
adenine with thymine
thymine with adenine
cytosine with guanine
guanine with cytosine
so a would change to t
c to g
t to a
etc
after pairing each letter we would end up with
TGAATGCGGCTA
Which term best describes two predators living in the same habitat who feed on the same prey?
A.coexistence
B.mutualism
C.competition
Answer:
The answer is C, competition
Competition refers to the interaction between the organisms to seek or feed on the same resource.
The term that best describes the two predators living in the same habitat feeding on the same prey is competition.
Competition can be defined as:
Competition in an ecosystem or habitat will take place when the ecological niche of organisms overlaps as both organisms try to use the same resource. In habitat, the predators feeding on the same prey will have competition, as the predators will fight for food, nutrients, and a source of energy to survive. Competition can be caused among animals due to food, space, and shelter.
Thus, the correct answer is Option C.
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WILL MARK BRAINLIEST 100 POINTS
In protein synthesis, why is it so important that RNA copies the message that DNA has so precisely?
A Copying the bases incorrectly changes the DNA
B Copying the bases incorrectly could change the shape of the ribosome
C Copying the bases incorrectly could cause the amino acids to be different which would change the protein
Answer:
I think it is A
Explanation:
hopefully im right so sorry if not
It is A
hope this helps
Why are phase changes considered physical and not chemical
changes?
Answer:
Phase changes are physical changes that take place when matter changes energy states, but chemical bonds are not broken or formed. ... The phase of a substance depends on the amount of energy the atoms contain. All atoms are in motion. The higher the temperature of an atom, the faster the motion
