Why is the reduction in chromosomes number important in meiosis?
Explanation:
Because meiosis creates cells that are destined to become gametes (or reproductive cells), this reduction in chromosome number is critical — without it, the union of two gametes during fertilization would result in offspring with twice the normal number of chromosomes.
Counting a few organisms with in a population and multiplying that number
to estimate the total size of a population is an example of *
Would a cell lyse be hypertonic
Using what you read in this passage, evaluate the following vacation
activities. Which one would cause the least disruption of the balance of
the coral reef?
A
Sport fishing on the reef
B
Scuba diving to view the reef species
с
Collecting rocks and shells as souvenirs
D
Attracting sharks to the reef with bait for photos
From the listed human activities, Scuba diving to view the reef species though disruptive, would produce the least disruption to the balance in the coral reef.
What are coral reefs?Coral reefs are narrow and shallow stretches land where corals ate found and these corals serves as foundation for reefs to form.
The reef is an ecosystem consisting of algaes and fishes as well as some other aquatic organism.
The balance in coral reefs can be disrupted by human activities such as:
Sport fishing on the reefCollecting rocks and shells as souvenirsAttracting sharks to the reef with bait for photosHowever, Scuba diving to view the reef species though disruptive, would produce the least disruption to the balance in the coral reef.
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When spindle fibers do not correctly separate the chromosomes during anaphase we get a condition called _________?
A. Duplication
B. Nondisjunction
C. Translocation
Explanation:
..........................................
.A jogger with a mass of 81.6 kg is moving at 2.2 m/s. What is the jogger's
kinetic energy
Answer:
89.6Joules
Explanation:
Kinetic energy is 1/2MV^2
Where m is Mass and v is velocity.
M=81.6 v=2.2m/s
K.E= 1/2 × 81.6 × 2.2
= 81.6 ×1.1
K.E=89.6 Joules
The use of which of the following is not an agricultural practice that benefits soil microorganisms?
a.
crop rotation
b.
monoculture
c.
companion planting
d.
cover crops
Answer:
The answer is (b). monoculture
Answer:
b.
monoculture
Explanation:
A key part of the Watson-Crick model came when Watson realized
that adenine could form hydrogen bonds with thymine and guanine
could form hydrogen bonds with cytosine. This explains why A=T
and G C in Chargaff's rules. Also, these two hydrogen-bonded
nucleotide pairs had the exact same width, so they could form the
rungs of the DNA ladder.
The fact that these pairs could match up only in this way meant that
the sequence of bases in one strand could determine the sequence
of bases in a second strand created from the first. The second strand
is said to be complementary to the first strand. Individual bases are
paired so that the identity of any base determines the identity of the
base paired with it; that is, the complementary base.
This table lists the base abbreviations for bases in a sample of single-
stranded DNA. Fill in the second column with the base abbreviations
that are complementary to the given bases.
I
Answer:
A–T
T–A
T–A
C–G
A–T
G–C
G–C
C–G
T–A
A–T
Explanation:
A always pairs up with T
C always pairs up with G
A - TT - AT - AC - GA - TG - CG-CC - GT - AA - TA usually pairs up with TC usually pairs up with GThese are bases of amino acids called nucleotides sequences. And this helps in the bond of several base pairs to their nucleotide sequence.What is the Watson-Crick model?
In “A Structure of Deoxyribose Nucleic Acid,” Watson and Crick defined DNA as a double helix that contained long, helical strands wound together. In their model, every DNA strand contained personal devices referred to as bases, and the bases alongside one DNA strand matched the bases alongside the opposite DNA strand.
Thus it is clear that the above answer is well explained.
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3. A bacterium undergoes a mutation that
makes the bacterium resistant to an
antibiotic. Which is not an accurate statement
about the effect of this mutation?
A. This mutation could be considered an
adaptation.
B. A bacterium with this mutation would be
less likely to successfully reproduce.
C. The bacterium with this mutation would
have a greater chance of surviving
exposure to antibiotics.
D. A bacterium with this mutation would be
more likely to pass it on to offspring than a
bacterium without this mutation.
Answer:
the answer is B
Explanation:
hope this helps;)
Need help ASAP! Will give brainliest;) NO links please, will report.
Which statement is part of Darwin’s theory of evolution by natural selection?
A). Acquired characteristics that are inherited are the cause of evolution.
B). The organisms that are the fittest are always largest and strongest.
C). The number of offspring is not related to fitness.
D). More offspring are produced than can possibly survive.
What enzyme digests fats and oils in the small intestine?
1. Lipase
2. bicaronate
3. gastric juices
4. hydrochlorase
Answer:
Lipase
Explanation:
Atoms are the most basic unit of matter. Two or more atoms from the same or different elements can combine to form molecules.
Cells are the most basic unit of life. Cells are made up of many different types of molecules. Which of the following accurately shows higher levels of organization within organisms, from least complex to most complex?
A. cells → organs → organ systems → tissues → organism
B. cells → tissues → organs → organ systems → organism
C. cells → organ systems → organs → tissues → organism
D. cells → organs → tissues → organ systems → organism
Answer:
B
Explanation:
Because cells make tissues which then combine to make organs which then further combine to form system
Which makes organisms like me and you
Answer: B
(An atom is the smallest unit of matter that retains all of the chemical properties of an element. Atoms combine to form molecules, which then interact to form solids, gases, or liquids. For example, water is composed of hydrogen and oxygen atoms that have combined to form water molecules.)
Explanation : Because cells make tissues which then combine to make organs which then further combine to form system
A worker drives their car 50 miles a week with a fuel efficiency of 25 miles per gallon. If they purchase a hybrid vehicle that
averages 50 miles per gallon, calculate how much gas the worker will save driving the hybrid if they work 50 weeks per year.
-))
A)
They will save 25 gallons of gas per year.
B)
They will save 100 gallons of gas per year.
9
They will save 50 gallons of gas per year.
D)
They will still consume the same gas, but will get to their destination
faster.
Answer: C. They will 50 gallons of gas per year
Explanation:
Did it on Usatestprep
What is climate change? O A. Lange-scale changes to weather patterns B. Increasing temperatures only C. Natural cycles of cooling and heating D. Decreasing temperatures only
Answer:
C. Natural cycles of cooling and heating is the best option.
Explanation:
C. is the only answer that describes climate, the others describe weather. Climate is natural conditions over a long period of time while weather is over a short period of time.
Please give brainliest.
circle with center at (-3, 7) and radius 8
Explanation:
Centre of the circle ( h,k)=(-3,7)
radius of the circle (r)=8
Equation of the circle is,
(x-h)^2+(y-k)^2=r^2
or,(x+3)^2+(y-7)=8^2
or,x^2+6x+9+y^2-2y+49=64
or,x^2+y^2+6x-2y+58-64=0
or,x^2+y^2+6x-2y-6=0 is the required equation of the circle
8 amino acide are coded by _______ amino acids?
Answer:
Explanation:
nutrients i think im not sure sorry sweetheart
Which animals have adapted to near-freezing water?
1. whales
2. animals in coral reefs
3. barnacles
4. fishes in polar areas
Answer:
whales
Explanation:
Which part always comes FIRST in the scientific name?
Answer:
The first part of the scientific name is the genus, and it is always capitalized. (The plural is "genera"). The second part is the species epithet. The entire name is written in italics.
Explanation:
hope this helps
Which statement correctly shows the flow of energy in a food chain?
A.
Producer→ heterotroph → decomposer
B.
Producer ← consumer ← decomposer
C.
Autotroph← decomposer ← consumer
D.
Autotroph→ decomposer→ heterotroph
Answer:
Producer→ heterotroph → decomposer
Explanation:
how does an increase in volume affect the gas pressure in a balloon
Answer:
Boyle's Law explains the relationship between volume and pressure. According to Boyle's Law, the volume of a fixed amount of gas decreases as its pressure increases. If the volume increases, its pressure decreases.
‼️‼️ PLEASE HELPP!! :D
Answer:
limiting factor whose effects impact a population regardless of the population's density
Who suggested that the distance of a galaxy is proportional to its recessional speed
Answer:
Edwin Hubble
Explanation:
HELP PLEASE IM CONFUSED!!!!!!!!!!!! BRAINLIEST TO THE ONE WHO GIVES ME THE CORRECT ANSWER!! IF YOU PUT A FILE OR LINK I WILL WRITE YOU DOWN AND REPORT YOU!!!!!!!!!!!!!!!!!!!!! NOT KIDDING!!
Answer:
Obtain Oxygen
Explanation:
i think............
anyways have good day :D
Answer:
pretty sure you have the answer by now so thanks for the Points
Explanation:
Explanation:
Which feature must a community have in order to use wind energy?
A. An average elevation change of 20 feet per mile to allow the wind
to flow downhill
B. Molten rock near groundwater supplies
C. Nets to keep birds and bats away from the turbines
D. An average wind speed of at least 15 miles per hour and enough
land to build several wind turbines
PLEASE HELP ASAP
molten rocck near ground water supplies
Which of the following would be classified as a renewable resource?
O A barrel of oil that would take 8 million years to form.
A large piece of coal that would take 4 million years to form.
O Solar rays from the Sun that take 8 minutes to reach the Earth.
O Methane gas from the ocean floor that takes 7 thousand years to outgas.
PLS HELP! When I let go of a rock it falls down. What happens explain
Answer:
Gravity
Explanation:
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son las fallas evidencias de la tectónica de placas de nuestro planeta Y por qué
Answer:
you're speaking in the wrong language here
Explanation:
hello please help i’ll give brainliest
Answer: Clastic sedimentary rocks are made up of pieces (clasts) of pre-existing rocks. Pieces of rock are loosened by weathering, then transported to some basin or depression where sediment is trapped. If the sediment is buried deeply, it becomes compacted and cemented, forming sedimentary rock.
Explanation:
What is the "body" of a plant called?
Answer:
it's called a tissue right?
Which of the following is not a function of a vertebrate’s endoskeleton?
a.) Increase speed of digestion
b.) Protect major organs
c.) Offer support and structure
d.) Connect with muscles to create movement
Increase speed of digestion is not a function of a vertebrate’s endoskeleton. So, the correct option is (A).
What is Endoskeleton?
The rigid part which provides internal support of the structure is called endoskeleton which develops from endoderm and is called a living structure. Some examples of endoskeleton are cartilage, bone etc. The hard part that is on the outside of the body that protects the soft tissues and muscles is called the exoskeleton.
Vertebrates are animals that have a backbone and an endoskeleton which is a skeleton inside their body while invertebrates are animals that do not have a backbone. Invertebrates may have a skeleton on the outside of their body called an exoskeleton, while some invertebrates have no skeleton at all.
It protects major organs, offer support to the structure, connect the muscles to create movement.
Thus, Increase speed of digestion is not a function of a vertebrate’s endoskeleton. So, the correct option is (A).
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