Answer:
B
Explanation:
(04.02 LC)
Based on the cell theory, which of the following is true? (5 points)
All living and nonliving things are made of cells.
All cells are too small to be seen with the naked eye.
Small organisms have smaller cells than large organisms.
Large organisms have more cells than small organisms.
Answer:
d is the correct one :)))))
Explanation:
Answer:
i did the study guide and its D
Explanation:
Will mark BRAINLIEST!! ONLY ANSWER IF YOU KNOW THE QUESTION!! I NED THIS ASAP!! Answer both questions
What do you already know about plate tectonics? What do you wish to learn about plate tectonics
Answer:
They can move and Collide together. I wish to learn if they can go inside each other or break off.
Explanation:
Help Please anyone? I'm innocent! Help the innocent! Please!
Answer:
False
False
False
True True
How many molecules of oxygen are needed for cellular respiration to take place?
Answer:
it is 6
Explanation:
all you had to fo was research
What is the best way to describe our current understanding of the one-gene/one-polypeptide hypothesis
Answer:
It applies to prokaryotes but not to eukaryotes.
Explanation:
one-gene/one-polypeptide hypothesis is based on the idea that there is a structurally complex gene whereby each gene encodes a single polypeptide, that either operates on its own or under a relatively more complex protein.
However, based on the existing findings and research, the one-gene/one-polypeptide hypothesis "applies to prokaryotes but not to eukaryotes."
This is because one gene/one-polypeptide cannot be used to explain different spliced versions found in several eukaryote organisms
In which stage(s) do the chromosomes line up at the equator?
A.Prophase
B.Metaphase
C.Anaphase
D.Telophase/Cytokinesis
Could you tell me if the chromosomes are in the right place?
Answer:
Yes, you are correct
PLEASE HELP ASAP
The diagram below shows a portion of the concept map for the Rock Cycle:
(shown below)
Which of these would best fit in the missing part of the cycle?
Magma
Lava
Sedimentary rocks
Sediments
Answer:
Sedimentary Rock
Explanation:
The option that would best fit in the missing part of the rock cycle is the sedimentary rocks. Thus, the correct option for this question is C.
What is the Rock cycle?The rock cycle may be defined as a series of processes that a rock of the earth's crust can undergo in its lifespan. These processes significantly illustrate the transformation of a rock's state from one form to another.
The conversion of metamorphic to sedimentary rock is mediated by the process of weathering. Metamorphic rocks will be exposed to weathering processes and may break down into sediment. These sediments could then be compressed to form sedimentary rocks, which would start the entire cycle anew.
Therefore, the option that would best fit the missing part of the rock cycle is the sedimentary rocks. Thus, the correct option for this question is C.
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what is enzyme please tell me grade 7
Answer:
a biological catalyst which speeds up reactions without being used up
Explanation:
PLEASE HELP I WILL GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
What are the main differences between the characteristics A1 and A2
Answer:
circles are positive and lines are negative
Explanation:
Why does the thermosphere have the highest temperature of alle
atmosphere layers?
O A. It has the least gas particles.
B. It is closest to the sun.
C. It contains the ozone layer.
D. It is the thinnest layer.
Answer: B.
Explanation:
The thermosphere is most directly affected by the Sun’s radiation.
The thermosphere have the highest temperature of alle atmosphere layers It is closest to the sun.
What is Thermosphere?A portion of the Earth's atmosphere known as the thermosphere is situated precisely above the mesosphere and under the exosphere. It stretches from around 90 km (56 miles) to 500–1,000 km above the surface of our planet.
In the lower thermosphere temperatures rise dramatically before leveling off and remaining rather constant as altitude rises above that point. The thermosphere's temperature is significantly influenced by solar activity.
In general, the thermosphere is around 200° C hotter during the day than at night, and about 500° C hotter during periods of high solar activity.
Therefore, The thermosphere have the highest temperature of alle atmosphere layers It is closest to the sun.
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Your friend is terrified of going to the doctor, mostly because there is often a shot at the end of the visit. Explain to your friend what a vaccine does and why it is so important for the body to be protected against viral pathogens.
Normally, how many chromosomes are required to determine the outward expression of a trait?a homologous paironly oneany twotwo pairs
Answer:
A homologous pair
Explanation:
In determining the expression trait of humans, this is based on the homologous chromosomes. This in turn comprised of alleles otherwise known as homologous alleles. The homologous loci are thereby located in these alleles which served as the formation of traits when combined.
Hence, normally, A HOMOLOGOUS PAIR is required to determine the outward expression of a trait?
How do organisms put
carbon back into the
atmosphere?
A. Plants making food
B. They "lock" it in
their area
C. Humans exhaling
CO,
D. When animals
photosynthesize
Only sunspots can be called solar activity.
True
False
Answer:
false
Explanation:
Answer:
Its false
Explanation:
Which sequence represents the correct order of processes that result in the
formation and development of an embryo?
a. meiosis fertilization mitosis
b. mitosis - fertilization → meiosis
c. fertilization - meiosis → mitosis
d. fertilization mitosis → meiosis
Answer:
a
Explanation:
This is an observation trait of an organism that can make the recessive trait
Answer:
Dominant trait is observed trait of an organism that masks the recessive form of a trait is answer.
Explanation:
I hope it's helpful!
Which example best describes a reflex action? A. bending down to lift a heavy object B. going for a walk outside C. eating food when hungry D. coughing when the throat is irritated
Answer:
I believe the answer is coughing when throat is irritated.
Explanation:
I chose this answer because since your throat is hurting, you usual don't eat more candy, you cough because it is a reflex that happen with our bodies.
The first phase of mitosis, in which chromosomes condense, becoming visible, the nuclear membrane dissolves, the centrosomes move to opposite ends of the nucleus, and spindle fibers form
Prophase is described as the first stage of mitosis, during which the cell begins to position itself to separate the chromatids and divide. During prophase, the nuclear envelope and nucleolus dissolve and chromosomes condense.
What is Mitosis?Mitosis is defined as the end of the cell cycle in which duplicated chromosomes separate into two new nuclei giving rise to genetically identical cells in which the total number of chromosomes remains the same. That's why mitosis is also called parity division.
Mitosis consists of four basic phases: prophase, metaphase, anaphase, and telophase where the prophase is the first visible stage in karyokinesis. During prophase, the nuclear envelope and nucleolus dissolve and chromosomes condense.
Thus, Prophase is described as the first stage of mitosis, during which the cell begins to position itself to separate the chromatids and divide.
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Which event is associated with convergent boundaries?
formation of island chains
creation of mid-ocean ridges
creation of convection currents
formation of rift valleys
Answer:
I believe the answer would be creation of mid ocean ridges
Explanation:
I believe this because the other options dont sound right
Answer:
b
Explanation:
What causes the cloud of gas and dust to condense and turn into a star?
The tremendous heat given off by the nuclear fusion process causes the gas to glow creating a protostar. This is the first step in the evolution of a star. The glowing protostar continues to accumulate mass.
hope this helps ^^
Answer:Gravity
Explanation:
Trishon placed a glass of ice cubes on the table The temperature inside the glass was 0°C Thirty minutes later the glass contained water and smaller ice cubes at a temperature of 4°C
Answer:c
Explanation:air transferred heat to the icee
Compare and contrast the three types of muscle tissue. skeletal muscle, cardiac muscle, and smooth muscle.
Answer:
While skeletal muscles are arranged in regular, parallel bundles, cardiac muscle connects at branching, irregular angles, called intercalated discs. Striated muscle contracts and relaxes in short, intense bursts, whereas smooth muscle sustains longer or even near-permanent contractions.
Karyograms are used to deduce sex and diagnose genetic diseases in humans. What would not be determined from a karyogram?
#1
translocation of chromosome 13
#2
base substitution in a gene on chromosome 13
#3
absence of chromosome 13
#4
deletion of chromosome 13
Answer: base substitution in a gene on chromosome 13
The type of inheritance show when a red-lowering plant is crossed with a white-flowering plant and only pink flowering plants are produced is
Answer:
Incomplete Dominance :3
Answer:
Co-dominance Is the right answer.
It is when allele A and allele B are both expressed. Which leads to the fuse of red and white :)
Identify the type of air (warm or cool) that regions from southern California east to Florida are currently experiencing and explain why.
Answer:
Jet streams, warmer air
Explanation:
my teacher mrs S has a study guide on this
Jet Streams
About 10 km above Earth’s surface are bands of high-speed winds called jet streams.
Meteorologists use the location of some of the jet streams as an aid in weather forecasting.
Jet streams generally blow west to east.
Jet streams form at the boundary of adjacent air masses with significant differences in temperature (polar region vs. Equator).
Jet streams move weather systems across the U.S.
Jet streams have a meandering shape.
warm air is flowing on the bottom and cold air on the top
Explain the difference between the offspring of sexual
reproduction and the offspring of asexual reproduction.
Pellets
Answer:
Below
Explanation:
Offspring made through sexual reproduction conssits of DNA from both parents and is genticlly differnt while offspring through asexual reproduction is geneticly identical to its parent
Glaciers are masses of ice that move that move slowly on land. Which of these features was most likely formed by a glacier?
f. a wide valley
g. a deep ocean
h. a lava flow
j. a mountain range
Answer:
A deep ocean
uhhh yeah I just have to type this part so it send anyways hope this helps!
The feature that was most likely formed by a glacier is a deep ocean. The correct option is g.
What are glaciers?A glacier is a vast, perpetual accumulation of crystalline ice, snow, rock, silt, and sometimes liquid water that forms on land and travels down a slope due to its own weight and gravity.
Melting glaciers contribute to rising sea levels, which increases coastal erosion and storm surge as warming air and ocean temperatures produce more frequent and intense coastal storms such as hurricanes and typhoons.
Surface wind-driven currents cause upwelling currents, which combine with landforms to form deepwater currents. Currents can also be caused by temperature (thermo) and salinity (haline) variations in water masses, a process known as thermohaline circulation.
Therefore, the correct option is g. a deep ocean.
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Which of the following are crucial to maintaining the balance of the ecosystem
Answer:
Human being plays a key role to maintain ecological balance because they have the highest thinking capacity as compared to other living organisms. Sufficient food availability to all living organisms and their stability reflect the existence of ecological balance.
Explanation: