Answer:
Identical twins came from the same sperm and egg, so they have the same chromosomes and genes. So identical twins with identical DNA may have different genes turned on, causing them to look and act differently, and even to develop different diseases such as cancer.
Explanation:
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The two mice pictured below are genetically identical. How were they produced?
Answer:
Both of the mice had the same allels by the parents (EE)
Explanation:
internal fertilisation takes place………………………..
(a) inside male body
(b) inside female body
(c) outside female body
(d) outside male body
Answer:
b. inside female body
Because of the male sperm goes into the wormas egg and Fertilises it
Which of the following air pollutant can be released by natural wild fires?
ozone
mercury
smog
carbon monoxide
Answer:
carbon monoxide
Explanation:
Carbon monoxide is often released from wildfires.
The air pollutant that gets released by natural wild fires is carbon monoxide. The correct option is D.
What is an air pollutant?Air pollutants are natural and man-made airborne substances that are introduced into the environment in sufficient concentrations to have a discernible effect on air quality.
Large amounts of carbon dioxide, carbon monoxide, black carbon, brown carbon, and ozone precursors are discharged into the air by wildfires. These emissions have such a regional and even global impact on radiation, clouds, and climate.
Thus, the correct option is D.
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How can a mutation give adults the the ability to digest milk?
A single point mutation in the DNA near the lactase gene changes the cytosine (C) nucleotide to a thymine (T). Individuals with the thymine (T) nucleotide are lactose tolerant and can digest the milk products in adulthood.
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A lipid is composed of a glycerol molecule and how many fatty acid chains?
This oceanic zone contains some of the
deepest parts of the ocean.
A. Kelp Forest
B. Abyssal Zone
C. Coral Reefs
The abyssal zone, which lies between 4,000 and 6,000 meters (13,000 and 20,000 feet) below the surface, is the deepest region of the ocean. So, option B is the answer.
The region of the ocean that lies beyond the continental shelf is commonly referred to as the oceanic zone. The sunshine zone, twilight zone, midnight zone, and abyssal zone are the four vertical zones that make up the open ocean.
Abyssal zone is characterized by high pressure, low temperatures, and very little light.
Kelp forest is found in shallower areas, often between 20 and 100 meters deep and Coral reefs are located in tropical, shallow waters.
Therefore, option B is correct.
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You have been chosen to lead Brampton's first ever space mission. Referencing what you've learned about day to day living in space, identify 3 differences you will experience between daily routines in space, and daily routines on earth.
Answer:
Doing experiments, maintenance and cleaning.
Explanation:
Astronauts perform tasks of the day which is supervising experiments, performing routine maintenance on station equipment and the astronauts wipe the walls, floors, and windows to keep them clean in order to avoid any type of microbial growth. Most of the activities are similar in space to the earth i.e. sleeping, eating the meal three times a day and exercise to maintain health and become active all the day.
1. Which factor is abiotic?
A. soil
B. plants
C. insects
Answer:
The answer is A. Soil
Explanation:
..........
The Answer is:
A. Soil
A scientist thinks he has discovered a drug that
interferes with the functioning of a virus in the
human body. To effectively block infection, the
drug can
I
A weaken viral respiration.
B destroy viral mitochondria.
C reduce the ability of the virus to absorb cells.
D prevent the virus from entering cells.
Answer:
DExplanation:
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Which statement is true?
- The higher the temperature in water, the higher amount of salinity in the water
- The lower the temperature in water, the higher amount of salinity in the water
Answer:
First one is right.
Explanation:
When the water molecules of the ocean become heated, they expand thus, they can hold more salt than cold water; and have a higher salinity.
What industry is related to the production of plastics?
Answer:
chemical industry
Explanation:
The plastics industry manufactures polymer materials—commonly called plastics—and offers services in plastics important to a range of industries, including packaging, building and construction, electronics, aerospace, and transportation. It is part of the chemical industry.
Fossils and Evolution On Study Island
A team of scientists are studying three different layers of sedimentary rock to learn about a particular reptile species. In the layer of rock that is closest to the Earth's surface, the reptiles' teeth fossils are found to be short and straight. In the layer below, the reptiles' teeth fossils are found to be long and straight. In the layer below that, the reptiles' teeth fossils are found to be long and curved.
Based on this information, the reptiles today most likely have
A.
long, straight teeth.
B.
no teeth.
C.
long, curved teeth.
D.
short, straight teeth.
Answer: short, straight teeth
Explanation: study island
how do interactions among organisms affect their ecosystem
Answer:
Individual organisms live together in an ecosystem and depend on one another. ... One category of interactions describes the different ways organisms obtain their food and energy. Some organisms can make their own food, and other organisms have to get their food by eating other organisms
what
is added to make RNA?
Down syndrome is a common genetic disorder that is caused by having an extra copy of chromosome 21. Which method will show whether or not a baby has down syndrome?
a. Karyotype
b. Family history
c. Genetic survey
d. Punnett square
Answer:
a. Karyotype
Explanation:
Karyotypes describe the chromosome count of an organism, so all the chromosomes would be in front of you, and it'd be easy to tell if there are 2 or 3 chromosome 21.
Which of the following is true about the release of histamine from cells in nasal passages?
All of the above
It may cause increased secretion by mucous membranes.
It occurs during an allergic reaction.
It causes nearby capillaries to swell.
Answer:
Urticaria (Hives)
Hives are an inflammation of the skin triggered when the immune system releases histamine. This causes small blood vessels to leak, which leads to swelling in the skin. Swelling in deep layers of the skin is called angioedema.
Explanation:
30 points picture shown! only real answers pretty please
The picture below shows the satellite image of ocean surfaces on Earth at Locations A, B, C, and D.
Which of these graphs best models the waves in the four locations?
Answer:
B
Explanation:
I do not know how to answer this question please help asap
Answer:
It would be Africa
Explanation:
It has the a lot of the color for water scarcity
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The cell is opening up its DNA during replication. If one side of the helix reads ATG CAA TGG GTC, how will the bases be added to make a new strand?
Answer:
TAC GTT ACC CAG
this is the new strand
1. What is the food eaten by an organism used for? Multiple choice.
A. Cellular respiration and waste production
B. Waste production and biomass increase
C. Cellular respiration, biomass increase, and waste production
D. Biomass increase and waste production
Answer:
1. What is the food eaten by an organism used for? Multiple choice.(C)
Explanation:
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A Pansy is a small flowering plant. You often see many red and many white flowers in outdoor garden beds. If the red and white colors
follow a codominant pattern, what is the genotype for the offspring of a cross between a red flower and a white flower?
A. W
B. RR
C. RW
D. Ww
Answer:
RW
Explanation:
Red and white follows a codominant pattern, which means they are both dominant. Dominant allles are capital letters so the genotypes of the parents are:
Red flower - RR
White flower - WW
The offspring will receive one allele from each parent, so they will inherit one R and one W, making the genotype of the offspring RW
Consumers in the reef can be further classified as filter feeders, or organisms that eat plankton by filtering water; grazers, or organisms that feed on organisms that don’t move; and predators, or organisms that eat other animals. List at least one example of each.
Filter Feeders -
Gazers -
Predators -
Answer:
Filter feeders-tubeworms, basket stars, clams,& sponges... there are many more
Grazers- Sea urchins, damselfish, surgeonfish & cobalt algae... and more
Predators- whales, sharks, barracudas, &dolphin... several more
Muliple choices
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What is one of the primary functions of this food in the body?
building proteins
O storing energy
providing structure to cell walls
carrying genetic information
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Answer:
building proteins storing energy providing structure to cell walls carrying genetic information building proteins. storing energy. providing structure to cell walls.
Why would breeders want to introduce mutations into a population?Single line text.
Short answers please
Answer:
Breeders can increase the genetic variation in a population by inducing mutations, which are the ultimate source of genetic variability
Which of the following statements is true?
All mammals give birth to live young.
Mammal babies are weak and dependent on their mothers.
Mammal babies go through a larval stage.
Mammals reproduce using mitosis and budding.
Answer:
The first one is the true statement.
Explanation:
full-stem curl half-stem curl no-stem curl rectangular base pin curls triangular base pin curls arc base pin curls square base pin curls Recommended along the front or facial hairline to prevent breaks or splits in the finished hairstyle. Placed half off the base of the curl. Usually recommended at the side front hairline for a smooth, upswept effect. Suitable for curly hairstyles without much volume or lift, and can be used on any part of the head. Placed directly on the base of the curl. Placed completely off the base of the curl. Give good direction and may be used at the hairline or in the nape.
uhh-.. wait elaborate more please
Two differences between primary and secondary metabolites
Answer:
Image result for Two differences between primary and secondary metabolites
Primary metabolites are not species-specific and thus might be identical in some organisms. Secondary metabolites are species-specific and thus are different in different organisms. Primary metabolites are involved in the growth, development, and reproduction of organisms.Aug 18, 2020
Which of the following is not a benefit to humans from biodiversity?
A. Many medications are made from living organisms
B. Enjoyment from recreational activities
C. We have a variety of products produced for clothing, food, and other items
D. The weather is more comfortable
For me it's letter A.
Because B and C and D are benefits of biodiversity....So that's why,for me it's letter A.
Well,don't trust me if you don't want to
I am made of many cells, which makes me __________. I make my own food through a process called photosynthesis. This makes me a__________.
Answer:
multicellular
Explanation:
plant cell
Answer:
I am made of many cells, which makes me multicellular. I make my own food through a process called photosynthesis. This makes me a(n) plant/ autotroph .
Explanation: