Answer:
A polar bear catches a seal for dinner
Explanation:
Fertilizers added by farmers to the soil contained high amounts of nitrates. How do fertilizers affect the nitrogen cycle.
Most eukaryotic mRNAs are shorter than the genes that encode them. The reason for this is __________.
A. that exons are spliced out of the hnRNA
B. that introns are spliced out of the DNA
C. that eukaryotic genes contain both introns and exons
D. the addition of the poly-A tail to the genomic DNA
Can we please please help
Answer:
I would say d
Explanation:
Answer:
i think the answer is d.
Mankind has used biotechnology in agriculture, food production, and medicine for thousands of years. As advances are made in biotechnology, it is important to make informed decisions in order to avoid the hazards associated with which of the following?
Answer:
D dangerous organisms
Explanation:
i’m almost 100% positive if not then it’s probably A global warming
Pls help pls pls pls pls pls pls pls pls 6th grade science 30 points
In a living organism, what is an organ?
ОА.
a structure that provides a specific service within a cell
Св.
a group of similar cells that perfom a common function
C.
functional unit, or building block, of all organisms smallest unit that can carry on the activities of life
a structure composed of a number of tissues that work together to perform a specific task
0.
Answer:a structure composed of a number of tissues that work together to perform a specific task
Explanation:
Describe the function of. Endoplasmic reticulum
All organisms must regulate_____ by turning genes on and off different cells at different times. In prokaryotic cells, related genes may be organized into_____, which can be turned on and off as a single unit. Eukaryotes have more complex modes of control, including the packing of chromosomes,____(which can produces several mRNAs from a single gene), and the control of translation. An understanding of gene regulation mechanisms has led to several interesting and important applications. For example, the loss of gene regulation can result in cancer, or out-of-control cell growth. And___can produce new live individuals, while___can produce potentially therapeutic stem cells.
Answer:
All organisms must regulate gene expression by turning genes on and off different cells at different times. In prokaryotic cells, related genes may be organized into operons , which can be turned on and off as a single unit. Eukaryotes have more complex modes of control, including the packing of chromosomes, RNA slicing (which can produces several mRNAs from a single gene), and the control of translation.
An understanding of gene regulation mechanisms has led to several interesting and important applications. For example, the loss of gene regulation can result in cancer, or out-of-control cell growth. And reproductive cloning can produce new live individuals, while therapeutic cloning can produce potentially therapeutic stem cells.
Name a plant that has asexual reproduction. Does it have a flower?
Is the kingdom monera prokaryotic or eukaryotic
they are prokaryotic
Explanation:
the kingdom monera is under the bacteria family so it has no membrane bound organelles
The kingdom monera is prokaryotic. Monera is a kingdom of organisms which lack a defined nucleus of organelles, nor do any of them show multi-cellular body designs.
The smaller the dose required to achieve a drug action the greater the drug potency try or false
Answer:
the answer is true
This question may be completed independently or as a group exercise. You have learned that humans have 46 total chromosomes, and chimpanzees have 48 total chromosomes. Use other textbooks in biological anthropology and biology (or reputable online resources) to find the number of chromosomes in other organisms. Give an organism with considerably more chromosomes than humans. Give an organism with considerably fewer chromosomes than humans. Did your findings surprise you
Answer:
In comparison to humans, there are more chromosomes in the Hermit crab that is 127 pairs of chromosomes for a grand total of 254 and in Myrmecia pilosula has fewer chromosomes than humans.
The complexity of an organism or how advance is an organism has nothing to do with the number of chromosomes it had. The chromosome number is subject to change over time. Human ancestors had more chromosome numbers as compared to now but they are not advanced to us.
How are the electrons in the PS II system replaced?
Answer: Photosystem I obtains replacement electrons from the electron transport chain. ATP provides the energy and NADPH provides the hydrogen atoms needed to drive the subsequent photosynthetic dark reaction, or Calvin cycle.
Explanation:
An exotic species is the same as an invasive species.
True
False
Answer:
False
Explanation:
Exotic species are species brought to and unfamiliar environment, just like invasive species. There is a difference between the two however. Exotic species are indeed not native to their environment, but unlike invasive species, they are not harmful to the ecosystem. In order for an exotic species to become invasive, it must out-compete native organisms for food and therefore cause harm to the ecosystem. Non-native species that do not out-compete species remain exotic and not a high risk of disrupting the ecosystem.
Hope this helps!
interpreting graphics the biodiversity hot spots shown in figure 9 share several characteristics besides a great number of species. look at the map, and name many as many shared characteristics as you can.
What is Adhesion
A. The ability of molecules to stick to molecules that are the same
B. The ability of molecules to stick to any molecules
C. The ability of molecules to not be able to stick to any molecules
D. The ability of molecules to stick to different molecules
Answer:
D. The ability of molecules to stick to different molecules
Explanation:
Will give brainliest
Answer:
C) is the correct answer
Explanation:
Please give thanks to all my answers and please mark as brilliant and please follow me
What type of microbe is used in a vaccine .
Answer:
answer is below
Explanation:
Several of these structures have been used to generate bacterial vaccines. Toxoids are chemically inactivated toxins from bacteria like Clostridium tetani or Corynebacterium diphtheria. The infection with these bacteria itself does not cause the illness, but rather the exotoxins released from the bacteria.
Vaccines are made from microbes that are dead or inactive so that they are unable to cause disease. The antigen in the vaccine is the same as the antigen on the surface of the disease-causing microbe. The vaccine stimulates the body to produce antibodies against the antigen in the vaccine.
Members of the Kingdom Plantae are characterized by _ while members of the Kingdom Fungi are characterized by ---
cell walls of cellulose; cell walls of chitin
heterotrophy, autotrophy
mostly unicellular organisms; having segmented bodies with jointed appendages
having segmented bodies with jointed appendages; mostly unicellular organisms
d
Answer:
Heterotrophy, Autotrophy
Reasoning: Heterotrophy organisms are organisms who can't retrieve food themselves and use energy and sunlight in order to get their food, which is exactly what plant cells do. Autotrophy is the ability to produce things such as carbon dioxide and oxygen, which plants do as well. Hence, Heterotrophy and Autotrophy are the most reasonable answers.
Help witg number 7
Please its esay
1) Discuss two neurotransmitters and their functions? 2) The central nervous system is comprised of what two structures? 3) What is the purpose of the autonomic nervous system? 4) What brain system is involved with memory and emotions? 5) What purpose do convolutions, folds, and fissures (on the brain surface)serve in relation to brain functions 6) What is the purpose of the endocrine system? 7) What is the purpose of Myelin in the nervous system. 8) BONUS (EXTRA CREDIT POINTS)- IN RELATION TO NEUROTRANSMITTERS, WHY DO SOME PEOPLE SAY LAUGHTER IS THE BEST MEDICINE? 2 points
Answer:
1. dopamine and serotonin
2. brain and spinal cord
3. controls the function of different processes in the body
4. limbic system
5. Increase brain surface area
6. release hormones into the bloodstream
7. insulation
8. laughing has multiple positive functions in the body
Explanation:
Dopamine is a neurotransmitter (i.e., a chemical messenger) involved in responses to rewards, motivation and memory, while serotonin is another neurotransmitter that controls appetite, mood, wakefulness and sleep onset. The central nervous system (CNS) consists of the brain and spinal cord. The spinal cord acts as a conduit by which messages are sent from the brain to the body and from the body to the brain. Moreover, the brain acts to control all body abilities (e.g., thinking, talk, feeling, walking, breathing, etc). The autonomic nervous system is known to modulate different processes (e.g., blood pressure, digestion, breath) and internal organs (e.g., heart) by acting largely unconsciously, i.e., without a person's conscious effort. The limbic system is a part of the brain that acts to control emotions and memory by modulating autonomic/endocrine functions. Convolutions, folds, and fissures can increase brain surface area, thereby more neurons are packed into the cortex of the brain and thus it is possible to process more information. The endocrine system acts to release hormones into the bloodstream. These hormones travel in the blood to their target cells/tissues, where they regulate different functions (e.g., mood, growth, development, metabolism, reproduction, etc). The myelin is an insulating layer surrounding nerve cells that enables electrical impulses to transmit efficiently around the whole body. Laughing has multiple positive functions: release endorphin hormones that decrease stress, increases the number of immune cells and antibodies, stimulate the activity of internal organs (e.g., heart), quickly relax the muscles, contribute to increase the oxygen uptake rate in blood, etc.
Which of the following can Jamie offer as evidence that supports the cell theory, based on these slides?
SC.912.L.14.1
All cells come from parent cells that exchange DNA.
All living things are composed of single cells or multiple cells.
All cells grow and develop until they reach a certain size, at which point they die.
All cells are equipped with structures that enable motion, such as pseudopods or flagella.
All living things are composed of single cells or multiple cells. Therefore, option B is correct.
What is cell theory?Cell theory is given by Schleiden and Schwann. According to this theory, cells make up every biological entity; they are the basic building block of life, and all life originates from earlier forms of life. Today, the cell idea has become one of the guiding concepts of biology due to its widespread acceptance.
A cell is the lowest form of life. This indicates that a cell cannot be divided into smaller units and yet be considered to be alive. An entire organism, such as a person, can be divided into smaller parts, such as organ systems, organs, and tissues.
Organisms can be unicellular or multicellular. Therefore, option B is correct.
Learn more about cell theory, here:
https://brainly.com/question/1468725
#SPJ6
Which greeting uses a formal style? Dear Auntie Mae, Hey Gregor, To Sixth Grade Students: Howdy Youth Group–
Answer:
To Sixth Grade Students: this is correct i got dear aunt may wrong on my unit review and showed this was the correct answer
Explanation:
Answer:
C
person above me is correct
give them brainliest :)
Explanation:
Suppose that you are an explorer who has found a new species of plant. Some of the plants have red flowers and some have yellow flowers. You cross a red-flowered plant with a yellow-flowered plant and all the offspring have orange flowers. What is the most probable explanation
Answer:
Incomplete dominance
Explanation:
In genetics, incomplete dominance refers to an inheritance mode in which two gene variants (i.e., alleles) of the same locus combine in a way that neither allele dominates the other. This phenomenon is similar to codominance, but in this last case, both alleles are dominant. Incomplete dominance produces a new phenotypic trait resulting from the combination of both non-dominant alleles. An example of incomplete dominance includes the pink color of snapdragons resulting from the cross of red-flowered snapdragons with white-flowered snapdragons.
Which step is irrelevant to investigating a foodborne illness outbreak
Choose the word that best completes each sentence. Angiosperms’ anchor them in the ground and absorb water for the plant. Their stems provide support to the plant and connect the roots and leaves. Their capture the sun’s energy and use it to make food through the process of photosynthesis. Angiosperms’ contain the reproductive parts of the plant. Their protect and help spread the seeds.
Answer:
Root anchor them in the ground and absorb water for the plant. Woody stem provides support to the plant and connect the roots and leaves. Leaves capture the sun's energy and use it to make food through the process of photosynthesis. Flowers contain the reproductive parts of the plant. fruite protect and help spread the seeds.
Explanation:
Answer:
roots, leaves, flowers, fruits
Explanation:
Describe the modification of FGF5 pre-mRNA that leads to the production of both the FGF5-L and FGF5-S proteins.
Answer:
Splicing of exons and exclusion of introns
-mRNA that is transcribed from DNA usually has large regions of genetic code that just do not code for anything. This is a pretty conserved phenomenon among eukaryotes, to have meaningless sequences of DNA (introns) separating the meaningful sequences of DNA (exons). Introns must be spliced out of mRNA so that its translation leads to a functional protein.
Explanation:
When farmers clear a forest and plant crops, how will the biodiversity of the land be affected?
The biodiversity will decrease with higher populations of fewer species,
The biodiversity will increase with lower populations of more species.
The biodiversity will decrease with lower populations of more species.
The biodiversity will increase with higher populations of fewer species.
Answer:
The biodiversity will decrease with lower populations of more species.
Explanation:
This is because clearing a forest destroys habitats and therefore kills animals as they have no shelter, no food source and no water source.
Which statement best describes the evolution of hominid structure over time?
The size of the skull decreased.
O The size of the brain cavity increased.
O The shape of the head became flatter.
The shape of the teeth became more pointed.
Answer:
The size of the brain cavity increased.
Explanation:
Over the years the brain cavity got bigger and so did our brain and that is why humans are smarter
The evolution of hominid structure over time involved the increase in the size of the brain cavity.
What is evolution?Evolution refers to the gradual and cumulative changes that occurred in organisms over a long period of time which made them more complex and which they were able to transmit to their offspring.
The hominids were the ancestors of the modern day humans.
Through the process of evolution, the size of the brain cavity increased in hominids resulting in larger brains and more complexity as seen in modern humans today.
Therefore, the increase in the brain cavity of hominids occurred through the process of evolution.
Learn more about evolution at: https://brainly.com/question/26125007
#SPJ2
What is Cohesion?
A. The ability of a molecule to stick to any molecule
B. The ability of molecules to stick to molecules that are different
C. The ability of a molecule to stick to molecules that are the same
D. The ability of molecules to not be able to stick to anything.
Answer:
The ability of a molecule to stick to molecules that are the same (C)
Explanation:
physics
the sticking together of particles of the same substance.
Answer:
I am sure the answer is C. The ability of a molecule to stick to molecules that are the same.
Explanation:
I hope this helps!