Answer:
Nanowhiskers are tiny threads that measure about 10 nano- meters (1 nm = 0.000000001 m) in length and 1.5 nanometers in diameter. They are often made of carbon or silver.
Both parents have one copy of a dominant allele for Gene 87 and one recessive allele for Gene 87. What is the chance that their children will inherit the recessive condition (i.e., two copies of Gene 87)
The body structures that enable reproduction are the.
The body structures such as ovaries, testes, and external genitalia enable reproduction.
The body structures that enable reproduction are the reproductive organs or reproductive systems.
In males, the reproductive organs include the testes, epididymis, vas deferens, seminal vesicles, prostate gland. These organs produce and deliver sperm cells for fertilization.
In females, the reproductive organs include the ovaries, fallopian tubes, uterus, and cervix. The ovaries produce eggs (ova) and release them into the fallopian tubes, where fertilization can occur. The uterus provides the environment for the development of a fertilized egg into a fetus, and the cervix connects the uterus to the vagina.
Additionally, both males and females have accessory reproductive structures that support the reproductive process. These include glands that produce reproductive fluids (such as semen and vaginal fluids), as well as structures like the breasts, which play a role in breastfeeding.
Overall, the reproductive organs and systems in males and females work together to enable the processes of fertilization, gestation, and childbirth, allowing for the continuation of the species.
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Which component of transcribed rna in eukaryotes is present in the primary transcript but is removed before translation occurs?.
Answer: introns (DNA that doesn't code for protiens)
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What is the role of oysters as a sustainable food source?
Oysters filter 50 gallons of ocean water a day.
Zero inputs are needed to grow oyster populations.
Oysters reducing ocean acidity by removing nitrogen.
Shellfish sequester more carbon than land-based plants.
Answer:
Oysters filter 50 gallons of ocean water a day.
Explanation:
Oysters are the engineers of the ocean. They help clean and filter the ocean water and they help build sustainable habitats for other species to live in. To now completely back up this answer an adult oyster can filter as much as 50 gallons of water a day.
Answer:
The answer is B: Zero inputs are needed to grow oyster populations.
Explanation:
I took the test and got it correct!!
In what part of the digestive tract does most nutrient absorption occur?.
Answer:
The small intestine
(It is most likely this because the large intestine absorbs water, the liver secretes bile, the pancreas secretes hormones, and the stomach breaks down the food).
BONUS: The small intestine has vili to increase the surface area of nutrient absorption.
Answer:
the small intestine
Explanation:
khan
Fluctuations in the phosphorus cycle in aquatic ecosystems _______. a. can lead to changes in the growth rates of aquatic populations b. are never caused by human impact on the environment c. lead to a decrease in the amount of phosphorus found in sediment d. never occur naturally please select the best answer from the choices provided a b c d
Phosphorous cycle supports the growth of phytoplankton. Fluctuations in the phosphorus cycle in aquatic ecosystems can leads to changes in the growth rates of aquatic populations.
What is phosphorous cycle?Phosphorous cycle describes the phosphorous movement from lithosphere, hydrosphere and biosphere.
Aquatic phosphorus exhibits seasonal cycle. It peaks in spring, causing rapid growth of algae and plant, then decline.
As phosphorus fertilizer aids in the growth of crops, phosphorus supports the growth of photosynthetic organisms like phytoplankton, at the base of the marine food web.
Any fluctuation in this process can leads to changes in the growth rates of aquatic populations.
Thus, the correct option is a.
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How are chickens and crocodiles alike?
Answer:
Alligators and crocodiles share a more recent common ancestor
Explanation:
Which biologic agent consists of protein-coated ribonucleic acid (RNA) or deoxyribonucleic acid (DNA) and requires a host cell
Answer:
Virus
Explanation:
A virus is a small collection of genetic code, either DNA or RNA, surrounded by a protein coat. A virus cannot replicate alone. Viruses must infect cells and use components of the host cell to make copies of themselves.
A heron is affected by many factors in its environment. What distinguishes the biotic factors from the abiotic factors
Answer:
Biotic factors are living -- fungi, animals, plants, etc.
Abiotic factors are nonliving -- weather, water, rocks, etc.
Explanation:
1. What is DNA?
2. how are nitrogen bases arranged in a DNA molecule?
3. what determines the inherited of an organism
4. what determines the inherited traits of an organism
5. how is RNA different from DNA
Answer:
1. a self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
2. is the pic
3. Genes Have Alleles
The traits an organism displays are ultimately determined by the genes it inherited from its parents, in other words by its genotype. Animals have two copies of all their chromosomes, one from each parent.
4. There are two differences that distinguish DNA from RNA: (a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine.
Height in humans generally shows a normal (bell-shaped) distribution. What type of inheritance most likely determines height
Answer:
polygenic inheritance
Explanation:
The relaxation of skeletal muscle relies on the activity of the ________, which decreases cytoplasmic calcium concentration.
Answer:
biologic capsules
Explanation:
Muscle fibers which preform vigorous exercise to form a great percentage of ____
A) pyruvic acid
B) lactic acid
C) citric acid
D) acetic acid
Muscle fibers which preform vigorous exercise to form a great percentage of lactic acid because of the occurance of anaerobic respiration.
What is anaerobic respiration?Anaerobic respiration is the production of energy from glucose in the absence of oxygen. The products of anaerobic respiration are lactic acid, carbon dioxide, and water.
So we can conclude that Muscle fibers which preform vigorous exercise to form a great percentage of lactic acid because of the occurance of anaerobic respiration.
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Which chamber of the heart directly receives oxygenated blood from the lungs?.
Answer:
left atrium is the correct answer
The functions of vascular tissue in plants include:.
Answer: to provide nutrition, transport pathways for water and support plant’s body
An examination of a marine sea star that had died after it was mistakenly placed in fresh water would likely show that it died because ________.
An examination of a marine sea star that had died after it was mistakenly placed in freshwater would likely show that it died because it was so hypertonic to the freshwater that it could not osmoregulate
Hope that helps!
Which is not something that occurs in translation?
Answer:
'Production of mRNA'
Explanation:
A prokaryotic organism can be classified in the domain of.
Answer:
Archaea or the domain bacteria
Explanation:
Prokaryotic organisms belong either to the domain Archaea or the domain Bacteria; organisms with eukaryotic cells belong to the domain Eukarya. 5. Microorganism transfer genes to other microorganisms through horizontal gene transfer - the transfer of DNA to an organism that is not its offspring.
Which type of cell division creates haploid cells?.
Answer:
meiosis
Explanation:
other than co2 and water, state two conditions necessary for the synthesis of glucose in plants
Answer:
Sunlight and Chlorophyll
Explanation:
Part 1: Describe the mass and the surface temperature of dwarf stars.
Part 2: Explain using complete sentences where on the HR diagram you would expect to find a dwarf star based on its physical properties. (10 points)
Explanation:
Red dwarfs are the coolest main-sequence stars, with a spectral type of M and a surface temperature of about 2,000–3,500 K
A process in which dna has the unique ability to make an exact copy of itself.
Answer:
DNA replication
What stage of meiosis is the picture attached showing? How do you know?
Answer:
Metaphase
Explanation:
spindle fibers attach to the chromosomes which line up along the the cell's mid planechromosomes align at the equator13) A student is creating a T chart of prokaryotic vs eukaryotic cells. In order to accurately compare the cells, the student must classify the statements into the
correct category. Examine the traits shown in the answer choices and select the ones that correctly apply to only prokaryotic cells. Select All that apply.
A) 10-100 times smaller
B) contains circular chromosomes and plasmids
9 contó DNA surrounded by a nuclear envelope
D) contains ribosomes can be affected by antibiotics
E) contains linear chromosomes with a larger genome.
Answer:
A) 10-100 times smaller, D) contains ribosomes can be affected by antibiotics, E) contains linear chromosomes with a larger genome. your welcome.
Explanation:
10-100 times smaller, contains ribosomes can be affected by antibiotics, and contains linear chromosomes with a larger genome.
What is prokaryotic cell?Prokaryotes are microscopic organisms from the two of the three primary domains of life—Bacteria and Archaea—that are part of the domains of life.
While the majority of eukaryotes are multicellular, bacteria and archaea are single-celled.
Scientists believe that prokaryotic ancestors gave rise to all current life forms on Earth because fossil evidence indicates that they existed on Earth 3.53.53, or 5 billion years ago.
Therefore, 10-100 times smaller, contains ribosomes can be affected by antibiotics, and contains linear chromosomes with a larger genome.
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Is lamina part of a flower
Yes.
Explanation:
The flat and expanded portion of the leaf in its entirety is known as the lamina. In short, the blade of the leaf or the leaf blade is called the lamina of a leaf.
Answer:
the definition of Lamina is "a thin layer, plate, or scale of sedimentary rock, organic tissue, or other material."
So No a Lamina is not apart of a flower. Ihope this is correct and you get a good grade
Explanation:
Mushroom, yeast, penicillian and bread mould are common example of fungi . Suggest the importance of each of them to human beings.
Answer:
See below ↓↓↓↓
Explanation:
Mushroom
They are also used for bioremediation, or cleaning up the environment. They’re able to break down oil and other environmental contaminants. Fungus can also help to make better compost.Yeast
In food manufacture, yeast is used to cause fermentation and leavening. The fungi feed on sugars, producing alcohol (ethanol) and carbon dioxide.Penicillin
Penicillin is an antibiotic used to treat certain types of bacterial infectionsBread mould
The molds that grow in your mold feed on the bread, cheese, and other foods. A mold produces chemicals that make the food break down and start to rot.Which statement describing the cells in a body system is correct?
a. Each cell in the system is identical to the other cells in the system, and each cell works
independently of the other cells.
b. Some cells in the system may be different from the other cells in the system, but all cells are
coordinated and work together.
c. Each cell in the system is different from the other cells in the system, and each cell works
independently of the other cells.
d. All cells in the system are identical to each other and work together.
The statement some cells in the system may be different from the other cells in the system, but all cells are coordinated and work together correctly describe the cells in a body system (Option b).
What is a body system?A body system is a group of cells in a multicellular organism that works together to produce a given outcome, which associate to form tissues and then organs and finally organ systems.
Therefore, we can conclude that a body system can be defined by its cell which associate to form tissues that group to form organs and finally group of organs.
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What cell part is responsible for capturing solar energy for a plant?.
Answer:
Chloroplasts are found in plants and algae. They're responsible for capturing light energy to make sugars in photosynthesis.
Help me!!! 30 POINTS
Answer:
12.5 m/s
Explanation:
Total distance traveled = 500m
Time car was moving = 40s
Avg speed in m/s = 500/40 = 12.5 m/s
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Place the steps of meiosis l and lol into the correct order from top to bottom
anaphase l, telophase l, cytokinesis, metaphase ll, telophase ll , prophase l, metaphase l, interphase,anaphase ll