Answers
Answer:
New moon.
Explanation: If the moon blocks sunlight it will be declared a new moon because all the sunlight makes it look bright as day when it's in the middle of the night.
Related Questions
What is unusual about the choice of Streptococcus lactis (now Lactococcus lactis) as the model organism in this study
Answers
The choice of Streptococcus lactis (now Lactococcus lactis) as the model organism is unusual because it is a bacterium that is primarily used in the dairy industry for fermented dairy products, such as cheese and yogurt.
This bacterium is not typically studied as a model organism in scientific research, but it has certain characteristics that make it an attractive model organism for studying the basic molecular mechanisms of gene regulation and metabolism. These characteristics include its ease of cultivation and manipulation in the laboratory, its well-characterized genetics and biochemistry, and its ability to produce a wide range of useful compounds, such as enzymes and antibiotics.
A lactic acid bacteria known as Lactococcus lactis (formerly Streptococcus lactis) is well-known for its importance in the dairy industry, especially the manufacturing of cheese and fermented milk products. A gram-positive, facultatively anaerobic, non-spore-forming, catalase-negative, and cocci-shaped bacterium belonging to the genus Lactococcus has a short genome of about 2.4 Mb.
A bacteria called Lactococcus lactis uses homolactic fermentation to produce energy. In the absence of oxygen, lactate dehydrogenase (LDH) transforms the pyruvate that is produced by the fermentation of glucose by Lactococcus lactis into lactic acid. As a result, the process is homolactic, which means that the sole waste produced is lactic acid. Since other lactic acid bacteria, like Lactobacillus bulgaricus and Streptococcus lactis, are unable to perform it, it is specific to this species.
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The _____ was a direct result of the Industrial Revolution.
O improvement in quality of life
O shift to domestic foods over wild foods
O decrease in urban areas
Answers
Answer:
Option: Improvement in quality of life
Explanation:
The industrial revolution resulted in a significant improvement in the quality of life for the working class. However, it was slow, irregular, and sometimes missing through many years. The evidence of increasing incomes and improving mortality rates indicate significant improvement took place in the pattern of living of the working class. These factors suggest that the quality of life at least continued firm, and presumably developed. This progress took place with constant warfare with factory owners and government intervention. The Industrial Revolution introduced new machinery, the transformation of cities. The rapid growth of cities and towns beginning to take place with a change in society.
What is produced during the photosynthesis process?
A. Chloroplasts
B. Carbon Dioxide
C. Sugar
Answers
Answer:
Sugar
Explanation:
Photosynthesis is a process that certain organisms undergo. Plants, algae, and certain bacteria use this process to produce their own food. These organisms are called producers or autotrophs.
The equation for photosynthesis is:
carbon dioxide + water + light energy —-> glucose + oxygen
The plants turn carbon dioxide, water, and light energy from the sun into glucose and oxygen. The glucose, or sugar, becomes the food for the plant. The oxygen is the waste product.
The question asks us what is produced during photosynthesis.
Chloroplasts are not produced, but they are where photosynthesis takes place. Carbon dioxide is not produced, but it is used in the process. The correct answer is sugar. Sugar is produced, and it is the food for the organism.
poured sand in a pan. which other material should ty add to the pan to model stream erosion
Answers
Answer:
water
Explanation:
because i said so.
A car drives 150 m to the east then backtracks 30 m to the west. Describe the mathematical operation you will use to determine the net movement of the car.
Answers
Answer:
Subtraction operation
The car's displacement is 120 m west
Explanation:
Given;
first motion of the car as 150 m east
second motion of the car as 30 m west
The mathematical operation that will be used to determine the net movement of the car is subtraction operation.
The net movement of the car is the car's displacement.
Displacement is given by;
D = final position - initial position
D = 30 m - 150 m
D = - 120 m
The negative sign is direction = west ward direction
Thus, the car's displacement = 120 m west
Which of the following is a way that humans impact rivers and streams?
a.
pollution
b.
dams
c.
flooding
d.
all of the above
Answers
Answer:
ITS (D) All of the above.
Explanation:
The way that humans impact rivers and streams is pollution.
WHAT IS POLLUTION?Pollution is the release of toxic or harmful substances into the environment such as water, air and the atmosphere.
Pollution as an act can be conducted by humans or anthropogenic activities. The ways by which humans release harmful wastes into rivers and streams is;
Defecating into water bodiesRelease of fertilizers and pesticidesTherefore, the way that humans impact rivers and streams is pollution.
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4. The genetic code that is a blueprint for our physical traits is called a
stereotype
Or genotype
Answers
Answer:
The genetic code that is a blueprint for our physical traits is called a genotype.
Explanation:
A genotype is the genetic makeup of an organism or group of organisms with reference to a single trait, set of traits, or an entire complex of traits. Whereas, a stereotype is a widely held but fixed and oversimplified image or idea of a particular type of person or thing. For instance, stereotyping someone as racist for supporting Trump.
Identify and describe the layers of Earth’s interior.
Answers
You are looking at onion cells under an microscope and wants to khow hoow big the cells really are you mesuare the size of the cells as it appears and find out that it mesuares 20mm with a magnification of a x1000 work out the actual sixe of the cell
Answers
The actual size of the onion cells under microscope is 0.02 mm
Magnification = Image / Actual
Image= 20 mm
Actual= x mm
1000x = 20 mm/ x mm
Actual = 0.02mm
Magnification is the number of times a picture is magnified in comparison to the actual size of the thing. The overall magnification of a microscope is determined by the eyepieces and the objective lens. A biological microscope with 10x eyepieces and a 50x objective, for example, has a magnification of 500x. Hence, the actual size of the onion cells is 0.02 mm, when placed under a microscope with a 1000x magnification it image size now becomes 20 mm.
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PLEASE HELP ME IM TIMED!
Answers
Answer:
pretty sure that is the mitochondria, the powerhouse of the cell.
Explanation:
This says it's produces energy through cellular respiration.
Which statement describes species B?
A. It has hollow bones and jaws
B. It has jaws, but no hollow bones
C. It has hollow bones, but no jaws
D. It has neither hollow bones nor jaws
Answers
Explanation:
guesss b............
Answer:
Answers for the entire assignment for e2020! This will help future people in order to get a excellent grade! :)
Determine whether each statement below describes traditional or modern classification.
(Answers)
Traditional Classification is based on similar appearance
Modern Classification is based on evolutionary relationships
Modern Classification is known as Cladistics
Traditional Classification is known as Linnaean classification
Which piece of information provided the stimulus for the shift from traditional classification to modern classification?
Answer: An understanding that species share a common ancestor
Fill in the blank below with the vocabulary word that best completes the sentence.
Using a ______ clock, scientists are able to estimate the amount of time that two species have been evolving independently.
Answer: molecular
How does the molecular clock work?
Answer: It compares the number of mutations that exist in the DNA of two different species.
Select the correct word from the drop-down menu to complete the sentences.
______ are branching diagrams that depict the evolutionary relationship among species.
Answer: Cladograms
_____ is a point in a cladogram where a single ancestral lineage breaks into two or more descendant lineages.
_____ is a group of organisms that includes an ancestor and all of its descendants.
_____ is any named group of organisms, whether they form a clade or not.
Answer(s):
Node
Clade
Taxa
According to the cladogram, which of the following is the derived characteristic shared by amphibians and reptiles?
Answer: Lungs
After much research and DNA analysis it has been determined that species in the same clade are actually more distantly related than originally thought. What is one way that the cladogram may change because of this information?
Answer: A node would be introduced
According to the cladogram, which species are MOST closely related?
Answer: D and E
Use the cladogram about fish to answer the following questions.
Which of the following best describes the organism located at point B?
Answer: Has jaw, but no bones
The organism at location D is the ______ to organisms at location A, B, and C.
Answer: Ancestor
According to the cladogram, arthropods are MOST closely related to which group of organisms?
Answer: annelids
You're welcome! :)
Explanation:
A.. Compare and contrast the morphology of the ghost crab and a typical trilobite in terms of their main body parts. Consult available references and see the Appendix (p. A-14) to compare their appendages. How are these organisms similar? How are they different? Similarities: Differences: B. The hole in the sand into which the ghost crab disappears is the entrance to a burrow made by the crab as a dwelling place ("domichnion"). The burrow is surprisingly long (up to a meter) and has a side branch leading to the surface. Why would the crab go to the extra work of making two entry ways?
Answers
A. Morphology of ghost crab and a typical trilobite in terms of their body parts:
Ghost crab is a crustacean and possesses a hard exoskeleton that provides protection against predators. It has five pairs of legs. Its body is divided into two segments: the cephalothorax and the abdomen. The cephalothorax is covered by a carapace that protects the gills and internal organs. The eyes of the ghost crab are located on stalks that allow the crab to have a 360-degree vision.
A trilobite is an extinct arthropod that lived during the Paleozoic era. It has three parts: the head (cephalon), the thorax, and the pygidium. The cephalon was the most developed part of the trilobite and had a pair of compound eyes and antennae. The thorax was composed of a series of segments, each of which had a pair of legs. The pygidium was composed of a series of segments and served as the tail. The trilobite had an exoskeleton that was divided into three parts: the dorsal part, the ventral part, and the pleural part.
In terms of appendages, both ghost crab and trilobite have jointed appendages.
However, there are some differences. The appendages of the ghost crab are specialized for walking and digging. The first two pairs of legs are pincers that are used for capturing prey. The last three pairs of legs are used for walking and burrowing. The appendages of the trilobite are more varied and are specialized for different functions. Some appendages were used for swimming, some for crawling, and some for capturing prey.
Similarities: Both ghost crab and trilobite are arthropods. They have jointed appendages and a hard exoskeleton that provides protection against predators. Both have an anterior cephalothorax and a posterior abdomen.Differences: The body plan of ghost crab is bilateral, while that of trilobite is radial. Ghost crab is a living organism, while trilobite is extinct. Ghost crab has five pairs of legs, while the number of legs in trilobites varied. Trilobite has a more complex morphology with specialized appendages.
B. The reason why the ghost crab goes to the extra work of making two entryways: The crab makes two entryways to its burrow to improve ventilation and prevent the accumulation of toxic gases. The side branch allows fresh air to enter the burrow, while the main entrance allows the crab to exit quickly if it senses danger. The side branch also helps the crab to dispose of waste material. The burrow also serves as a protection against predators and harsh environmental conditions. The burrow provides a stable temperature and humidity that is necessary for the survival of the crab. The long burrow allows the crab to move deep into the sand where it can stay moist and avoid desiccation.
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When reciprocal crosses produce identical results, one can conclude that the trait is:________
Answers
When reciprocal crosses produce identical results, one can conclude that the trait is inherited through autosomes (non-sex chromosomes) and not through sex chromosomes. Reciprocal crosses involve the exchange of the sex of the parents in a cross. For example, if a purebred brown-eyed male is crossed with a purebred blue-eyed female and their offspring are brown-eyed, a reciprocal cross would involve breeding the purebred brown-eyed female with the purebred blue-eyed male. If the offspring from this cross are also brown-eyed, then it can be concluded that the inheritance of eye color is not influenced by the sex of the parent. This is because, in both cases, the offspring inherit the same set of autosomal genes from their parents, resulting in identical outcomes. Therefore, the trait is not linked to the sex chromosomes but rather to the autosomes.
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the general mechanism of action of steroid and thyroid hormones is to a. alter membrane permeability of target cells b. change the rate of protein synthesis by target cells c. stimulate second messengers such as camp and cgmp d. none of the above
Answers
The correct option is (b). The general mechanism of action of steroids and thyroid hormones is to change the rate of protein synthesis by target cells.
Steroid hormones are lipid molecules that circulate in the bloodstream and bind to intracellular receptor proteins. They can affect gene expression by modulating the rate of transcription and translation of target genes.Thyroid hormones are lipophilic amino acid derivatives that function as transcription factors by binding to nuclear receptors. They're generated by the thyroid gland and affect virtually every cell in the body.The general mechanism of action of steroid and thyroid hormones is to change the rate of protein synthesis by target cells. Steroid hormones, for example, can directly enter target cells and bind to intracellular receptors that are located in the cytoplasm or nucleus. The steroid-receptor complex then binds to particular DNA sequences in the nucleus, affecting gene expression by modulating the rate of transcription and translation of target genes.Thyroid hormones, on the other hand, bind to receptors that are located in the nucleus and function as transcription factors, directly influencing gene expression in the target cell. As a result, steroid and thyroid hormones change the rate of protein synthesis by target cells by changing the transcription and translation of target genes.To learn more about the mechanism of action of steroid and thyroid hormones Please visit:
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2. If allele B made bacteria resistant to antibiotics, which of the following is
correct:
a. The bacteria population is more likely to be killed by antibiotics
b. The bacteria population is less likely to be killed by antibiotics
C. The bacteria population will always be killed by antibiotics
Answers
Answer:
B. Less likely to be killed
Explanation:
If it is resistant it is much harder to kill because it resits the medication/ disinfectant
If allele B made bacteria resistant to antibiotics, then B. The bacteria population is less likely to be killed by antibiotics.
Antibiotics simply mean a medication that is used in destroying the growth of bacterias or slowing down their growth.
In this case, since allele B made bacteria is resistant to antibiotics, this means that it'll be hard for such bacterias to be killed by antibiotics.
Also, when a bacteria is resistant to a particular drug, the drug won't work on the bacteria.
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describe the sliding filament theory, the size principle of motor unit recruitment, and the all or none theory? when training a bodybuilder, why is an understanding of these three principles necessary and how can they be applied when designing training programs for bodybuilders?
Answers
The sliding filament theory, size principle of motor unit recruitment, and all-or-none theory are essential principles in understanding muscle contraction and its application in bodybuilding training. The sliding filament theory explains how muscles contract through the interaction between the proteins actin and myosin.
During contraction, myosin heads attach to actin filaments, creating cross-bridges that pull the actin filaments inward, resulting in muscle shortening. The size principle of motor unit recruitment refers to the order in which motor units are activated. Smaller motor units with slow-twitch muscle fibers are recruited first, followed by larger motor units with fast-twitch fibers. This ensures efficient force production and prevents fatigue.
For instance, high-intensity workouts with heavy weights recruit larger motor units and fast-twitch fibers, promoting muscle growth, while lower-intensity workouts target endurance and slow-twitch fibers. Incorporating both types of exercises ensures balanced muscle development and improved overall performance.
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Which plant characteristics are
common to pioneer species?
Answers
Answer:
Typically, the pioneer plant species are photosynthetic as the new habitat would likely have soil with fewer nutrients and largely exposed to no other energy source but light energy. It is also more likely that the pioneer plant species employ wind pollination.
Plants with roots that act as wedges to slowly break apart rocks.
What hormone, produced in the anterior pituitary gland, works in conjunction with gonadal steroids to promote bone development in males?.
Answers
The hormone that's produced in the anterior pituitary gland, and works in conjunction with gonadal steroids is the Luteinizing hormone.
What hormone, produced in the anterior pituitary gland, works in conjunction with gonadal steroids to promote bone development in males?Generally, Hormones are chemical messengers in your body. They circulate via the circulation to tissues or organs.
In conclusion, the Luteinizing hormone produces in the anterior pituitary gland.
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I am failing in school and i need help with this it is a home work defineMaritime
Answers
Answer:
Maritime transport and fluvial transport, or more generally waterborne transport, is the transport of people or goods via waterways. Freight transport by sea has been widely used throughout recorded history.
Explanation:
HELPPPPP
solar cells can provide the energy to run calculators, outdoor lights and other devices. how does the conversion of light energy into stored electrical energy by solar cells compare to the process of photosynthesis?
Answers
Answer:
How does the conversion of light energy into stored chemical energy by solar cells compare to the process of photosynthesis? ... Photosynthesis uses solar energy to produce oils, glucose, and other complex carbohydrates that are stored as chemical energy.
Explanation:
Photovoltaic cells are an electrical device that converts light energy into electricity. It uses both chemical and physical phenomena.
Photosynthesis is carried by the plant cells where they take the energy from the sun and convert them into chemical energy.
In the process of photosynthesis, the light energy and the food gets converted into glucose, ATP and other complex molecules.Similarly, solar cells utilize light energy and store them in photovoltaic cells in the form of electricity.To learn more about the solar cells follow the link:
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In fern, asexual reproduction takes place through
(a) spore formation
(b) fragmentation
(c) budding
(d) binary fission
Answers
Answer:
(a) spore formation............
Answer:
a) spore formation
Explanation:
since it does not have flowers to reproduce it reproduces by spore
Please help me I don’t want to go to summer school
Answers
does exposure to mutagenic agents always have a detrimental effect on organisms? why or why not?
Answers
Exposure to mutagenic agents does not always have a detrimental effect on organisms. While mutagens can increase the likelihood of genetic mutations, the impact on an organism's fitness depends on various factors such as the nature of the mutation, the affected genes, and the environment.
Mutagenic agents are substances or factors that can induce genetic mutations. These mutations can involve changes in the DNA sequence, gene structure, or chromosome structure. While mutations can potentially disrupt normal biological processes and have negative effects on an organism, not all mutations are detrimental.
The impact of a mutation on an organism's fitness depends on several factors. Some mutations may be neutral, having little or no effect on an organism's phenotype or function. In certain cases, mutations can even be advantageous, providing individuals with new traits or abilities that enhance their survival and reproductive success in specific environments.
Additionally, the effects of mutagenic agents can vary depending on the organism's ability to repair DNA damage. Organisms possess DNA repair mechanisms that can correct or minimize the impact of mutations caused by mutagens. These repair mechanisms play a crucial role in maintaining genome stability and mitigating the harmful effects of mutagenic agents.
In conclusion, while exposure to mutagenic agents can increase the risk of genetic mutations, the overall effect on organisms is not always detrimental. The outcome depends on the specific mutation, its interaction with other genetic factors, and the selective pressures of the environment in which the organism exists.
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Do all living cells have a common genetic code?
Answers
Answer:
Yes
Explanation:
All living organisms store genetic information using the same molecules — DNA and RNA. Written in the genetic code of these molecules is compelling evidence of the shared ancestry of all living things.
Which conclusion can be drawn based on examining fossil evidence of pollen in an area?
A. whether or not the area experienced volcanic eruptions
B. what the climate was like in the area long ago
C. how erosion and uplift has changed the landscape
D. how diverse the animal life was in the area
Answers
Answer:
B. What the climate was like in the area long ago.
Explanation:
All flowering plants produce pollen grains with distinctive shapes that change as climatic factors change as plants are generally distributed based on patterns of temperature and precipitation. So, fossil pollen records can tell us about the past climate.
The glucose channel will not remain open after the ligand leaves the receptor.
Answers
FOLLOW DIRECTIONS please it would really help. PLEASE HELP ASAP!!
Answers
Answer:
A.SUN
B.MOON
C.EARTH
D.PING PONG BALL
E.DROP OF WATER
F.FEATHER
G.HOUSE
H.TREE
Explanation:
HOPE IT HELPS YOU PO!!!!!!
some prokaryotes possess an electron transport chain (etc) for cellular respiration. what is the most likely location for the etc?
Answers
The most likely location for the electron transport chain (ETC) in prokaryotes is the plasma membrane. Prokaryotes possess a plasma membrane that serves as a barrier between the cell and its external environment.
The plasma membrane is also involved in cellular processes such as cellular respiration. The ETC is a series of protein complexes and electron carriers that are embedded in the plasma membrane of prokaryotes. These protein complexes and electron carriers are responsible for the transfer of electrons during cellular respiration. The transfer of electrons through the ETC generates a proton gradient across the membrane, which is used to produce ATP. Therefore, the most likely location for the ETC in prokaryotes is the plasma membrane.
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a rock that weighs 3.5kg can also said to weigh
Answers
3.5 Kilograms (kg) = 7.716 Pounds (lbs)
1 kg = 2.204623 lbs 1 lbs = 0.453592 kg
What is the function of the sporangium? question 11 options: a) passes characteristics from one generation to the next b) forms haploid cells through mitosis c) protects the mature gametes d) protects the developing mother spore cells
Answers
Answer:
D) Protects the developing mother spore cells
Explanation:
A structure called a sporangium is found in some plants and other creatures and is responsible for producing and storing spores. Spores, which are haploid structures made by organisms, aid in the germination and formation of new organisms.
A structure called a sporangium is found in some plants and other creatures and is responsible for producing and storing spores. Spores, haploid structures produced by organisms, aid in germination and the development of new species. They assist in the process of reproduction, in other words. What does it actually imply that they are haploid, though? Simply said, it indicates that there are just half the chromosomes needed to create a complete diploid creature. The sporangia can divide through mitosis, or cell division, to manufacture and release spores.
A single, potentially complex morphologically produced sporangium is produced by an unbranched sporophyte in mosses, liverworts, and hornworts. The majority of ferns, many lycophytes, and non-vascular plants are homosporous (only one kind of spore is produced). Some ferns, the majority of lycophytes, and some bryophytes are heterosporous (two kinds of spores are produced). These plants generate gametophytes that are functionally male or female, respectively, by the development of microspores and megaspores. Occasionally, two types of spores are generated in the same sporangium and may even form a spore tetrad together.
Microsporangia and megasporangia, two different types of sporangia, are present in the majority of heterosporous plants. All seed plants, as well as a few ferns (Salviniaceae and Marsileaceae), some lycophytes (genera Selaginella and Isoetes, as well as the extinct lepidodendrids), are heterosporous with two types of sporangia.
Sporangia can grow near the terminals of stems, along their sides, or in close proximity to leaves. In ferns, sporangia are often located on the abaxial surface of the leaf, or the underside, where they are tightly grouped into clusters called sori. An indusium, a type of structure, could be present across Sori. The sporangia of certain ferns are dispersed along with the shortened leaf segments or along (or just in from) the leaf edge.
The sporangium has an indirect involvement in sexual reproduction and an active part in asexual reproduction in several phyla of fungus. The sporangium, which has haploid nuclei and cytoplasm, develops on the sporangiophore. Each haploid nucleus and cytoplasm are encased in a hard outer membrane as the spores develop in the sporangiophore. These spores spread by wind during asexual reproduction and develop into haploid hyphae.
Although sexual reproduction in fungus differs between phyla, the sporangium indirectly contributes to sexual reproduction in some fungi. When two haploid hyphae from different individuals combine to produce a zygosporangium in response to adverse circumstances, sexual reproduction takes place in Zygomycota. The zygosporangium's haploid nuclei subsequently combine to form diploid nuclei.
When the environment is more favorable, the zygosporangium germinates, goes through meiosis, and develops into a sporangium that releases spores.
