why don't we have the same means of livelihood in the different provinces and regions of the country?
I don't know........,...........................................
Answer:
there are differenties on the place and people we grew up with
1. Two cats are mated. One of the parent cats is long-haired (recessive allele). The offspring of the two cats are: two short-haired and three long-haired kittens. What does the second parent look like (phenotype), and what is its genotype? Make a punnet square.
Answer:
2 Hh- short-haired kitten
2hh- long-haired kitten
Explanation:
Parental phenotypes: long-haired short-haired
Parental genotypes: hh × Hh(second parent)
Genotypes of F1 generation: Hh, hh, Hh, hh
2 Hh- short-haired kitten
2hh- long-haired kitten
Practical applications of reproductive cloning include
A) producing identical herds for agriculture.
(B) producing genetically identical animals for "control animals in research
C) restocking populations of endangered animals.
D) All of the above.
Answer:
(B) producing genetically identical animals for "control animals in research
Name at least three hormones which are used commercially and list why they are used.
Answer:
Auxins, Ethene and Cytopkinins
Explanation:
Auxins used in commercial fo Crop production.
Ethene used in commercial to fruit to ripen.
Cytokinins used in commercial to reduce yellowing in green vegetables.
Auxins are utilized in the commercial production of crops. Ethene is a commercial fruit ripening agent. Cytokinins are used commercially to stop green crops from turning yellow.
What are plant hormones?
Almost every element of plant growth and reaction to its environment is regulated by plant hormones. Numerous plant hormones play important roles in the interactions between plants and helpful microorganisms because they are active at extremely low concentrations and have precise spatial control of synthesis and response.
The "The Role of Plant Hormones in Plant-Microbe Symbioses" special issue offers fresh information on the functions of hormones produced from both the plant and the microbial partner in symbiosis establishment and communication. This includes the close symbioses that the majority of terrestrial plants have with arbuscular mycorrhizal (AM) fungi, as well as the more recently acquired nodulation—symbioses between a select group of plants in the fabid clade and nitrogen-fixing bacteria.
The articles in this special issue also look at how hormones affect how plants interact with ectomycorrhizae, endophytic bacteria, and fungi, and helpful microorganisms that stick to the surfaces of the leaves and roots. Many hormones can interact with one another in addition to acting directly to regulate the growth of these symbioses, and these intricate networks are just beginning to emerge.
Therefore, various plant hormones are used commercially.
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what layer is attached to the basement membrane by hemidesmosomes
Answer:
epidermis
The hemidesmosomes mediate the attachment of the basal keratinocytes of the epidermis to the underlying basement membrane (Figure 147-1B).
A single bout of resistance exercise training increases muscle protein synthesis by as much as ______% above resting levels
Answer:
A single bout of resistance exercise training increases muscle protein synthesis by as much as 120-150% above resting levels
which type of organism can use photosynthesis to make food
Answer:Plants
Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis (Figure 1). Because they use light to manufacture their own food, they are called photoautotrophs (literally, “self-feeders using light”).
Explanation:
Answer:
All plants with green leaves, from the tiniest mosses to towering fir trees, synthesize, or create, their own food through photosynthesis. Algae, phytoplankton, and some bacteria also perform photosynthesis. Some rare autotrophs produce food through a process called chemosynthesis, rather than through photosynthesis.
The state of Georgia has a yearly energy surplus.
Question 8 options:
a) True
b) False
Answer: A
Explanation:
True state of Georgia has a yearly energy surplus.
Does Georgia use more energy than it generates?
Georgia is among the top 10 electricity-producing states, the state typically uses more power than it generates.
What energy source does Georgia use?Nearly 75% of Georgia's electricity generation comes from hydro production (75.3% in 2019), with the remainder produced from natural gas and from a 20.7 MW wind power plant .
Hence, correct option is :True
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How does reproduction in humans compare to reproduction and other animals such as fish, birds and reptiles?
Answer:
It compares because all of them reproduce the same way with varied offspring instead of identical.
what is Baltimore classification of viruses
The Baltimore classification of viruses is a system developed by David Baltimore, allowing for the naming and grouping of RNA or DNA viruses according to their modes of replication.
ANSWER BY AN AI
Answer:
jhiuyhtfgkuguftmff
Explanation:
White-tailed deer raise their tails when they spot a predator approaching; the predator typically gives up its pursuit once it knows that the faster prey species has seen it. This is an example of
Mark and Michelle both have dark hair, which is a dominant trait. But their first child is blonde. Which is the most likely explanation
Answer:
They are heterozygous for the dark hair.
IS THIS RIGHT IF NOT CAN SOMEONE TELL ME WHAT IS THE RIGHT AWNSER <3
Answer:
No
Explanation:
It mainly happens in the Liver
Answer:
right answer is LIVER
Explanation:
byee :)
In which location would light travel at the highest speed?
O A. In a swimming pool
B. Within a glass fiber
O C. Within a diamond
O D. Between the Sun and Earth
Answer:
D. Between the Sun and Earth
Explanation:
It travels fastest in vacuum So I’m making an educated gas and saying it’s D I could be wrong though.
Answer:
D. Between the Sun and Earth
Explanation:
quiz
why do earthquakes and volcanoes occur a long destructive and conservation plate boundaries?
Answer:
because the plates do not pass smoothly there will be some interaction in both of them
If a brown-eyed mother and a blue-eyed father have four children, three will probably have brown eyes. What can you conclude from this?
A. Brown eyes are a successive trait
B. Brown eyes are a submissive trait
C. Brown eyes are a recessive trait
D. Brown eyes are a dominant trait
Answer:
D. Brown eyes are a Dominant Trait
Explanation:
An man about 80 years old, lives alone. He looks very weak and undernourished. His lower limbs bones are tender and thin. Due to poor diet and loneliness, he lacks the essential vitamins and minerals for his bone formation. Explain bone formation (ossification) , and bone marrow formation which this man is lacking.
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All bone formation is a replacement process. During development, tissues are replaced by bone during the ossification process. In intramembranous ossification, bone develops directly from sheets of mesenchymal connective tissue. In endochondral ossification, bone develops by replacing hyaline cartilage, bone formation, also called ossification, process by which new bone is produced. ... Soon after the osteoid is laid down, inorganic salts are deposited in it to form the hardened material recognized as mineralized bone. The cartilage cells die out and are replaced by osteoblasts clustered in ossification centres.
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Why do you need control samples with the known normal, carrier, and sickle cell
alleles to complete the analysis?
Answer:
Explanation: All experiments must have an controlled group to show the differences
In three to five sentences, describe the advantages and disadvantages of these maps in modeling mitosis. I will give brainliest to best answer
Introduction
In order for organisms to grow, cells have two options: they must either replicate themselves to create more cells, or the cells themselves must expand in volume. In humans, tissues such as the skin and blood contain cells that are actively dividing, whilst other tissues such as fat contain cells that expand (good if you need energy for winter, bad if you are trying to fit into some expensive jeans). Other cells, such as neurons, will never divide again once they are terminally differentiated; they are post-mitotic.
In the process of replicating themselves, cells have another choice: do they want to make an identical copy and be left with two cells? Or do they want to make four “half-copies”, in preparation for sexual reproduction, where their genetic content will be made whole again by the process of fertilisation? This choice is the choice between mitosis and meiosis.
Difference Between Mitosis and Meiosis
This article will explore the characteristics of both kinds of cell division, shining a light on how they are similar and in which aspects they are crucially distinct. We will also explore the research into these processes and how cell division might go awry to cause disease states such as cancer and Down’s Syndrome.
Mitosis vs. Meiosis: Overview and commonly asked questions
Mitosis
Meiosis
What is the purpose of this process?
In a unicellular organism, the purpose of mitosis is to proliferate asa species. In a multicellular organism, the purpose can be to grow during development, or to repair or regenerate
adamaged tissue, for example.
To create gametes with only one copy of the organism’s genetic information, in preparation for sexual reproduction. Various steps in meiosis create opportunity for genetic diversity in the daughter cells. This is the raw substrate for evolution.
What is the outcome of this process?
Two diploid cells with identical genetic information.
Four haploid cells with different genetic information.
Which organisms perform this process?
Mitosis is performed by unicellular and multicellular eukaryotes.Bacteria have their own version of mitosis called “binary fission”.This is distinct from meiosis as bacteria typically have one circular chromosome,which is not contained within a nucleus, like eukaryotic chromosomes.
Only organisms which perform sexual reproduction. Archaeaand bacteria do not do this, so it might be tempting to think that unicellularorganisms do not sexually reproduce. However, there are exceptions; buddingyeast will form haploid spores under nutritional deprivation.
How long does this process take?
Mitosis is usually shorter than meiosis. The process can take over 10 hours for mammalian cells in culture [2], budding yeast can take ~80 minutes to complete a cell cycle [3], whilst bacteria can divide every 20 minutes.
Meiosis has various timescales in different organisms, which can be affected by several factors including temperature and environment of the organism, and the amount of nuclear DNA. The process lasts 6 hours in yeast but can last more than 40 years in human females, due to a developmental hold at prophase I, until ovulation. Other examples are 1-2 days in male fruit flies and ~ 24 days in human males. [1]
What is an example of a disease caused by an error in this process?
Uncontrolled mitosis occurs in cancer, where either genes that stop cell division (tumour suppressors) are switched off, or genes that encourage cell division (oncogenes) are overactive.
Errors in meiosis can lead to the wrong number of chromosomes ending up in germ cells, this is called aneuploidy. This can trigger miscarriage, but is occasionally tolerated. One example is Down’s syndrome, caused by trisomy 21. Another example is Klinefelter syndrome, where XY males have an additional X chromosome.
Summary
Meiosis and mitosis both have a prophase, metaphase, anaphase, telophase and cytokinesis.
In meiosis, prophase, metaphase, anaphase and telophase occur twice. The first round of division is special, but the second round is more like mitosis.
In mitosis, prophase, metaphase, anaphase and telophase occur once.
Prophase
Chromosomes condense and the centrosomes begin to form an early spindle.
Meiotic prophase I is much longer that mitotic prophase.
During prophase I homologous chromosomes make contacts with each other called chiasmata and “crossing over” occurs. This is where chromosomes exchange sections of DNA. This is important for generating genetic diversity but is also crucial mechanically to hold homologous chromosomes together.
Mitotic prophase is much shorter that meiotic prophase I.
There is no crossing over in mitosis.
(Im a really fast typer)
Answer:
Cells have to do a few things, first they either have to replicate themselves, or they must expand. In our human bodies our cells do both. Replicating when we break skin, and expanding for the winter. Some cells never divide though. But cells also have to choose is they will make identical copies, or 4 half copies. Half copies have a sexual re-productions. And this is the choice of mitosis and meiosis.
Explanation:
I just made a quick summery of the long essay above, I'm not sure if it's totally correct, but I hope it helps!
what is the purpose of transcription A. To produce DNA B. To produce Lipids C. To produce RNA D. To produce Amino Acids
Explanation:
the answer is d.
amino acids 4 protein synthesis...
Q. Which increased age skeletal muscle show?
A. An increase in muscle fiber diameter
B. A decrease in the number of myofibrils
C. A tendency to fatigue less rapidly
D. Increased glycogen reserves.
E. No change in oxygen storage capability.
Answer:
i do not know if there are more than one answer but d and a both sound right to me
Explanation:
Which of the following changes would likely increase rates of photosynthesis?
Decreasing the temperature
Decreasing the carbon dioxide
O Increasing the carbon dioxide
Increasing the distance of a plant from a light source
The movement of small organic molecules, electrolytes, vitamins, and water across the digestive epithelium and into the intestinal fluid of the digestive tract is called what then? I can understand if going into the interstitial fluid of the digestive tract that it would be called Absorption; however, what is it called when it moves into the intestinal fluid of the digestive tract?
Answer:
As you have learned, the process of mechanical digestion is relatively simple. It involves the physical breakdown of food but does not alter its chemical makeup. Chemical digestion, on the other hand, is a complex process that reduces food into its chemical building blocks, which are then absorbed to nourish the cells of the body. In this section, you will look more closely at the processes of chemical digestion and absorption.
This diagram identifies the functions of mechanical and chemical digestion and absorption at each organ. Next to each organ, a callout identifies which steps of digestion take place in that particular organ.
Explanation:
In crrying the microscope hold firmly the microscope's arm with one hand and place the other hand under the base for suport
Answer:
whats your question?
Explanation:
why is it important to use weakened virus in vaccine
Answer:
It is important for you to use a weakened virus in the vaccine so once injected in your system not only is your body learning to FIGHT the virus but you will become immune to it once your body has practically gotten a taste of it. for example some anti venom antitodes use the ACTUAL venom aswell its vital in vaccines.
Explanation:
How the form of ostrich’s eggs help the bird survive?
Answer:
Adaptations that make ostriches fast on land but unable to fly include long legs with strong muscles, thick bones and powerful 2-toed feet
name the star shaped cells present in hydrophytes
Answer:
Astrosclereids are star-shaped, having various branches or arms. They are found in intercellular spaces of leaves and stems of many hydrophytes like Nymphaea.
Which of the following statements are true about moving water?
I. It can move in waves
II. It has electrical energy
III. It can be used to move objects
O I and II
O I and III
O I, II, and III
O II and III
This is science but I couldn’t find it and no links please
Answer:
1,2 and 3
Explanation:
Use the information to draw an inference about why red beryl has been found in only four places on Earth.
Answer:
The volcanoes with that type of lava are only found in four places on Earth, it can't be made anywhere else.
Explanation:
Red beryl is one of the rarest minerals in the world. Because it is so rare, red beryl is about 1000 times more valuable than gold. Read the passage that describes how red beryl forms. Use the information to draw an inference about why red beryl has been found in only four places on Earth.
1)
A hummingbird may need to consume up to 50% of its body weight in sugar each day, just to meet its energy needs. Some of this energy is stored and some is used for metabolic activities, but much of the energy is
A)
converted into amino acids needed for the production of starch
B)
released as heat energy back into the hummingbird's environment
C)
changed into radiant energy, which can be used by plants for photosynthesis
D)
used to synthesize inorganic compounds necessary for cellular respiration
Energy conversions are common in nature. Much of the energy from the breakdown of the hummingbird body weight is released as heat energy back into the hummingbird's environment.
According to the laws of thermodynamics, energy is neither created nor destroyed but is converted from one form to another. Living things take in food to release energy to carry out their daily activities.
Sometimes, energy is obtained from the breakdown of body fat. In either case, much of this energy is released back into the environment as heat energy.
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