Answer:
a fossil is a bone under the ground
Explanation:
and ex of a fossil is a dinosaur fossil
Insects are a major danger to crop plants. Every year, insect damage destroys many plants that could be used to produce food. Genetic engineering can be used to insert a gene into crop plants that helps them resist insects. What is one potential risk of this use of biotechnology?
Answer:
1. Is it safe to consume a plant/crop that has been injected with genetic engineering?
Genetic engineering may have some risks as well such as production of genetically modified organisms interfere with the environment. The toxins produced by these organisms are found in other higher organisms.
What are the risks of genetic engineering?
Genetic engineering is also called as genetic modification. It is the modification of an organism's genes through the use of technology. It is a set of technologies which are used to change the genetic makeup of the cells, including the transfer of genes within and across the different species boundaries to produce new and improved or novel varieties of organisms. New DNA is obtained through either isolating and copying the genetic material of interest using recombinant DNA methods or through artificially synthesizing the DNA molecule.
Genetic engineering has some potential risks which include transfer of the selected gene into other species, this interferes with the nature, GM crops could be harmful for organisms, for example the toxins produced from these crops have been detected in the body of some organisms.
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Since all cells that make up tissues require oxygen and nutrients, they depend on the _________ system to function properly.
muscular
circulatory
nervous
Answer:
Circulatory
Explanation:
The Circualtory sytem circulates blood, oxygen, and nutrients all over the body
What branch of science studies the structure of living things?
1) physiology
2) kinesiology
3) anatomy
4) phylogeny
Answer:
3. Anatomy.
Explanation:
Anatomy is a branch of science which studies the physical structure of humans, animals, and other living beings. Anatomy is a part of biological studies. This field in the science is focussed on the shape, structure, and the relationship relevant to the living organisms.
Anatomy is further divided into two branches, namely, microscopic anatomy and macroscopic anatomy.
Therefore, the correct answer is option 3.
An intrinsic igneous rock is formed as results of
Answer:
In essence, igneous rocks are formed through the cooling and solidification of magma ( or lava). As hot, molten rock rises to the surface, it undergoes changes in temperature and pressure that cause it to cool, solidify, and crystallize.
Explanation:
hope this helps
Atmospheric transparency will increase when
1.
volcanic eruptions occur
2.
fog is produced
3.
insolation is reflected by clouds
4.
precipitation removes dust particles from the air
Which best describes the law of independent assortment? A. Alleles of a trait separate independently when gametes form. B. The traits of an offspring are independent from the parents. C. Traits can only be controlled by a single gene. D. The F2 generation will be identical to the F1 generation. SUBMIT
Answer:
All of the genes controlling the traits were located on the same chromosome.D
Explanation:
A monohybrid cross is performed for one generation, whereas a dihybrid cross is ... A) The law of independent assortment requires describing two or more genes ... D) members of the F1 generation had only one allele for each trait, but ... C) All of the genes controlling the traits were located on the same chromosome.D
Answer:
A
Explanation:
Alleles of a trait separate independently when gametes form
During active transport, what is required to move material across the cell membrane? А energy B water С oxygen D cytoplasm
Answer:
c
Explanation:
they move by oxygen
Which process allows cold ocean water rich in nutrients to rise to the surface?
Answer:
upwelling is the process allows cold ocean water rich in nutrients to rise to the surface
what are the major types of DNA called
Answer:
Autosomal DNA and mitochondrial DNA
Explanation:
There are two types of DNA in the cell – autosomal DNA and mitochondrial DNA. Autosomal DNA is packaged into 22 paired chromosomes.
In each pair of autosomes, one was inherited from the mother, and one was inherited from the father. Autosomal DNA is passed down from both the mother and the father and provides clues to a person’s ancestry.
Hope this helps!
Brain-List?
Please answer correctly if i dont pass this question ill fail the test :(
can someone please help me giving brainliest
Answer:
B. Getting energy from sunshine.
Explanation:
having sunshine is very important because it is good for you and your body.
one time I was sick and I stayed inside all the time and my parents made me go outside because of fresh air and the sun, and I felt better the next day, I could actually get up and do something.
A single atom of carbon is joined to a hydrogen atom. How many double bonds can the
carbon still form?
Answer:
One carbon atom forms four covalent bonds with four hydrogen atoms by sharing a pair of electrons between itself and each hydrogen (H) atom.
Explanation:
Isostasy is the balance between what two forces?
A. Accretion and buoyancy
B. Gravity and heat
C. Gravity and buoyancy
D. Depth and buoyancy
Answer:
C-Gravity and buoyancy
Explanation:
Downwards gravity and upward buoyancy
Answer:
it would be .C.
Explanation:
What are the two types is stem cells and what are their potential uses?
Answer:
The two primary Stem Cells are Pluripotent (Embyotic) and Somatic (Adult).
Explanation:
Pluripotent stem cells can turn into any type of cell in an adult body.
Somatic stem cells can only differentiate into specific cells in an organ or tissue.
What two locations on a neuron membrane can we find synapses?
Answer:
ONLY IN CONNECTED NERVE CELLS
Explanation:
THE spot of close connection between axon and dendrite is the synapse. A single axon can have multiple branches, allowing it to make synapses on various postsynaptic cells.In the central nervous system, a synapse is a small gap at the end of a neuron that allows a signal to pass from one neuron to the next. Synapses are found where nerve cells connect with other nerve cells. Synapses are key to the brain's function, especially when it comes to memory.
2. In what part of the beet pant is the excess sucrose stored? A. root B. leaves C. stem
Describe the 5 spheres, and key things that can be found in each one.
Answer:
Plants (biosphere) draw water (hydrosphere) and nutrients from the soil (geosphere) and release water vapor into the atmosphere. Humans (biosphere) use farm machinery (manufactured from geosphere materials) to plow the fields, and the atmosphere brings precipitation (hydrosphere) to water the plants.
Explanation:
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Hey yall you don't know me but can someone help ill do anything
Answer:
B ong
Explanation:
still required to do 20 characters but its B ong
The p53 gene in mammalian cells is known to stop the cell cycle in response to damaged DNA. If this
gene is damaged without repair, which of the following is most likely to occur?
The cell will immediately undergo apoptosis.
The cell cycle will be disrupted in the defective cell.
Growth factors will allow the cell to divide normally.
Damaged DNA will remain unprepared and a tumor may form.
Answer:
i think its the first one
Is a crystal alive? Why or why not?
Answer:
A crystal is an inorganic (not alive, not from something alive) homogeneous solid (meaning a solid with the same properties at all points) with a three-dimensional, repeated ordering of atoms or molecules. ... Crystals grow in one of three primary ways: from a vapor, from a solution or from a melt.
While studying environmental samples collected from the ground cover of the Amazon rainforest, you isolate a new microorganism. You note that it is single-celled, lacks a nucleus, and is found only in areas of the rainforest that remain humid year-round. Based on this information, how would you best describe this organism
Answer:
The organism is a prokaryote from the domain Archaea since it lacks organelles and lives in what can be considered an extreme environment.
Explanation:
The organism is single-celled and lacks a nucleus. Prokaryotic organisms generally lack nuclei and other membrane-bound organelles such as mitochondrion and chloroplast. Hence, both attributes are characteristic of a typical prokaryote although being unicellular is not exclusive only to prokaryotes.
Prokaryotes can be bacteria of Archaea. The organism, in this case, also lives in an area that is humid all year round. Such an area can be considered to be an extreme environment. Living in extreme environments is a characteristic that is peculiar to Archaea only.
Organisms in the Archaea domain are generally prokaryotic, unicellular, and live in extreme habitats such as hydrothermal vents, marshes, hot springs, etc.
which process produces more ATP aerobic, or anaerobic respiration??
Answer:
aerobic
Explanation:
has far more energy therefore produces more ATP
Answer:
Aerobic respiration produces much more ATP than anaerobic respiration. Anaerobic respiration occurs more quickly than aerobic respiration.
Explanation:
https://bio.libretexts.org/
Please help me i don't understand
11. What property of waves would help measure the height of the waves in a
Tsunami?
a. Wavelength
b. Frequency
c. Wave speed
d. Amplitude
12. What inference can be made about the wavelength of a wave with a constant speed and a low frequency
a. The wavelength is short
b. The wavelength is long
c. Must be a mechanical wave
d. Must be a wave in the electromagnetic spectrum
13. The wave speed of an electromagnetic wave is constant when travelling through a medium. Which formula below is the correct one to use when calculating for wave speed
a. Wave speed = frequency x period
b. Wave speed = period x wavelength
c. wave speed = frequency x wavelength
d. Wave speed = crest x trough
Answer: amplitude would help measure height
low f, constant speed, long wavelength
speed = frequency x wavelength
Explanation: constant speed, low frequency
frequency = speed/wavelength; at constant speed f proportional to 1/wavelength, so low f __> long wavelength
speed = freq*wavelegth
The cholesterol synthesized by the cells used which component of the glycolytic pathway as a starting point
Answer:
This question lacks options, options are: A. glucose B. acetyl CoA C. pyruvate D. carbon dioxide. The correct answer is B.
Explanation:
Acetyl-CoA, the substrate for cholesterol synthesis is produced by the catabolism of carbohydrates, fatty acids and certain amino acids. Cholesterol comes from both diet and de novo synthesis from acetyl-CoA, biosynthesis that takes place preferentially in the liver; and to a lesser extent, in the intestine.Acetyl-CoA is converted to mevalonate, mevalonate is converted to squalene through successive reactions of transfer of prenyl groups. Squalene becomes lanosterol. Lanosterol is converted to cholesterol after 21 other successive, enzymatically catalyzed reactions.
Which of the following equations is balanced?
A. 2H2 + O2 ---> H2O
B. H2 + 2O2 ---> 2H2O
C. H2 + O2 ---> H2O
D. 2H2 + O2 ---> 2H2O
a cricket population included approximately the same number of black and light-brown crickets.
Answer:
i think its A tell me if im wrong ;)
Explanation:
What type of reproduction does Pisum sativum undergo and why?
Answer:
he garden, or English, pea (Pisum sativum) is classified as a hermaphrodite plant because its flowers have both male and female parts.
Explanation:
pls answer asap!
which of the following is not an example of mechanical weathering?
A. rocks being broken apart from freezing water
B. rocks being apart by plant roots
C. abrasion caused by wind blowing sand against rocks
D. dissolving of lime stone rock by ground water
Answer:
D
Explanation:
Because,
Mechanical weathering is the breaking down of rocks into smaller pieces without changing the composition of the minerals in the rock. This can be divided into four basic types – abrasion, pressure release, thermal expansion and contraction, and crystal growth.
The dissolving of limestone rock by groundwater is not an example of physical weathering.
Another name for mechanical weathering is called physical weathering. Some factors that aid or help in the mechanical weathering of rocks are:Wind, the thawing of frozen water found in rocks, e.t.c
Therefore, the dissolving of limestone rock by groundwater is not an example of physical weathering.
The correct option is option D
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Suppose a cool, damp autumn causes the cricket population to greatly increase. What will most likely happen to the frog and snake populations?
Answer:
also increase
Explanation:
more food more animals can eat causing animals to come and also breed then the crickets will go back down causing the predators to go back down giving them a chance to go back up and the cycle continues.