Answer:
Autotrophs are organisms that prepare their own food through the process of photosynthesis,
heterotrophs are organisms that cannot prepare their own food and depend upon autotrophs for nutrition.
Explanation:
---> The process of selecting a few organisms with desired traits to serve as parents of the next generation. Selective breeding of plants and animals to promote the occurrence of desirable traits in offpsring.?
The process of determining a few creatures possessing desirable characteristics to participate as the founders of the coming generation is Artificial selection.
Artificial selection
The discovery of advantageous characteristics among living things by humankind, as well as the efforts performed to improve and maintain such traits throughout upcoming populations or years.
It follows the same procedure as evolutionary processes, with the exception that with biological evolution, nature determines the decisions rather than humans.
Thus the above response is correct.
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Put the steps of Protein Synthesis below into the correct order.
4 points
Step 1
Step 2
Step 3
Step 4
A Protein
molecule is
produced
An mRNA
molecule is
produced
mRNA interacts
with a Ribosome
DNA interacts
with RNA
polymerase
The correct order is DNA interacts with RNA polymerase (1), the mRNA molecule is generated (2), mRNA interacts with a ribosome, and protein is produced (4).
What is transcription?Transcription (gene transcription) is the process by which a fragment of DNA is employed to generate an mRNA.
This messenger RNA (mRNA) then travels to the ribosomes in the cytoplasm to generate a protein.The process of translation refers to the protein synthesis by an mRNA template.In conclusion, the correct order is DNA interacts with RNA polymerase (1), the mRNA molecule is generated (2), mRNA interacts with a ribosome, and protein is produced (4).
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One type of bacteria reproduces once every 60 minutes. If there are 2 bacterial cells to begin with, then after 4 hours there will be a total of
bacterial cells.
Answer:
6 bacterial cells
Explanation:
Hope this is helpful!!
Answer:
The answer is 8 bacterial cells.
Explanation:
.True or False: Clear-cutting results in mostly even-aged stands of trees
Answer:
my guess is
Explanation:
true
true
true
What percent of bones (of 206) are in the hands/feet?
Answer:
Explanation:
There are 206 bones in your body. 26 are in each foot. So the bones of your feet make up just over 25% of the bones in your body.
I’ll give the Brainliest to who answers this question with a reasonable explanation.
Rebecca’s family uses their house’s heating system to stay warm in the winter. How do they know when their system is at equilibrium?
A. The house temperature balances the set temperature and the system shuts off.
B. The house temperature is changing and the system is rapidly changing from on to off then back again.
C. The house temperature is lower than the set temperature and heat is on.
D. The house temperature is higher than the set temperature and the cooling is on.
Thank you.
Answer: A
Explanation:
Answer:
A. The house temperature balances the set temperature and the system shuts off.
Explanation:
Equilibrium is a state in which the competing factors of a system are in balance. In the case of the heating system, the house temperature and set temperature would be the same and the system would turn off.
also just took test
What is the critical mass of a species?
A:The weight of all representatives of a species.
B:The weight of the last representative of a species.
C:The number of individuals that must exist for a species to continue.
Answer:
The number of individuals that must exist for a species to continue
Explanation:
I just had it on a quiz. Can I have brainliest?
The critical mass of a species is the number of individuals that must exist for a species to continue. Therefore, the correct option is C.
What is the critical mass of a species?The critical mass of a species refers to the minimum number of individuals that are required for a population to maintain its viability and continue to survive and reproduce in a given environment. This is also known as the minimum viable population (MVP) size.
The concept of critical mass is important in conservation biology because small populations are often more vulnerable to extinction due to genetic factors, environmental fluctuations, and other factors.
Therefore, understanding the critical mass of a species is significant for determining appropriate conservation strategies and protecting endangered species. Therefore, the correct option is C.
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A strand of DNA consists of 35% adenine. What is the percentage of cytosine in that same
molecule of DNA?
Answer:
20.5%
Explanation:
Hope this helps!!
Help please, I couldn't find the instruction for this, and my teacher said skip it, so I dont know the answer for it ._.
Answer: 1.rod, coccus, or spiral 2. peptidoglycan 3. flagella.
Explanation:
How is the process used to produce sex cells different from
the process used to produce body cells?
The process used to produce se_x cells which is different from the process used to produce body cells is called meiosis.
What is meiosis?Meiosis is a cellular process that generates four daughter germinal cells having half genetic material.
Conversely, mitosis produces two genetically identical somatic (body) cells.In conclusion, the process used to produce se_x cells which is different from the process used to produce body cells is called meiosis.
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The diagram shows the process of osmosis in a beaker model. Only the water molecules could pass through the membrane by osmosis because water molecules________.
a) contain more hydrogen atoms than the other molecules
b) have more energy than protein molecules
c) can pass through the selectively permeable membrane
d) are more numerous than the protein molecules
Answer:
i think it is C correct me if am wrong
Put the steps of the greenhouse effect in the correct order.
I. Infrared radiation travels through the atmosphere as heat to leave Earth.
II. Radiation from the sun enters the atmosphere.
III. Increased greenhouse gases trap more heat, raising global temperature.
IV. Infrared radiation is absorbed by greenhouse gases and is reflected back down to Earth.
A. II, IV, III, I
B. I, II, III, IV
C. I, III, II, IV
D. II, I, IV, III
Answer:
II, IV, I, III
Explanation:
At first the Solar radiation hits the earth~
The sun's energy is then absorbed~
Head radiates into space from Earth~
This traps the heat and makes Earths Temperature hotter~
Hope this helps uwu
At first the Solar radiation hits the earth~ The sun's energy is then absorbed~ Head radiates into space from Earth~ This traps the heat and makes Earths Temperature hotter~ are the correct arrangement of green house effects. Hence, option A is correct.
What is green house effects?Green house effects are the rays in which heat are taken hold close to earth surface that is near to the earth. These effects have covered the earth like a blanket and keeps the planet toaster and warmer than it could be without them.
Greenhouse gases on Earth trap heat in the atmosphere, warming the whole globe. The primary gases that cause the greenhouse effect are fluorinated gases, as well as naturally occurring gases such carbon dioxide, methane, nitrous oxide, and water vapour which are synthetic.
Thus, option A is correct.
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Which of the following microbes cannot reproduce unless it first infects a cell in a host organism?
A.
parasites
B.
bacteria
C.
protozoa
D.
viruses
Answer:
bacteria is a microbes and host organism
Answer:
D.
viruses
Explanation:
Describe What
happens to a planarian when
it is cut into two pieces?
A catalyst is a ______.
Answer:
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
Answer:
A substance that speeds up chemical reactions.
Explanation:
Help plz
Vestigial structures, such as the appendix, are body parts that don't seem to serve a
purpose in humans. How are vestigial structures important evidence for evolution?
A. They provide clues about structures that were important to our ancestors.
B. They provide clues about what future generations of humans will look like.
C. They help identify body parts in fossils.
D. They are evidence that humans used to eat different foods.
Answer:
A
Explanation:
In order to create a big storm, the HIGH LEVEL TEMPERATURE had to be... A.Very Cold B.Cold C.Cool
Question:
In order to create a big storm, the HIGH LEVEL TEMPERATURE had to be... A.Very Cold B.Cold C.Cool
Answer:
A, because in order to create a big storm, the temperature has to be at least 40-20 degrees Fahrenheit (below 30 is freezing point, aka snow), and that would be weather where you would need to wear a thick jacket and warm pants.
If this helped, your welcome! Please know that I might be wrong, and if I am, I am truly sorry for that. But If you would, please make me brainliest.
- niaxfandoms (ig and yt)
what would happen if the igneous rock was first exposed to energy from the sun
Answer:
If there is too much heat or pressure, the rock will melt and become magma. This will result in the formation of an igneous rock, not a metamorphic rock. Consider how granite changes form. Granite is an igneous rock that forms when magma cools relatively slowly underground
Explanation:
Answer:
An igneous rock can change under pressure to metamorphic. A igneous rock can turn into another igneous rock by melting and solidifying, it can turn into a sedimentary rock by getting weathered then recemented, or it can turn into a metamorphic rock by being subjected to great heat and pressure
Explanation:
Individuals in a species have genetic variation that can be passed on to their offspring
Answer: Genetic variation within a species can result from a few different sources. Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. ... As a result, the tree-colored moths are more likely to survive, reproduce, and pass on their genes.
Explanation:
Please answer this question
Answer:
H
Explanation:
I learned this in bio
Cells are the basic unit of _______ and______
Answer:
Structure and Function
Explanation:
Answer: Cells are basic units of structure and function in living things. This means that cells form the parts or an organism and carry out all of the an organism's processes, or functions.
Can a single cell be living but not be an organism?
1. Yes
2.no
No, this is not possible.
Letter A in the kidney indicates a structure known as
A) a vein
B) an artery
C) the ureter
D) a Bowman's capsule
Which hormone signals body cells to take in glucose
and reduces the level of sugar in the blood?
A) Testosterone
B) Insulin
C) Cortisol
D) Glucagon
Answer:
B)
Explanation: Insulin is what keeps your blood sugar lower and sends signal when it needs glucose
20 points ! multiple choice
4. Which part of the replication process helps reduce the chance for genetic mutation?
a. insertion of RNA primer sequences
b. sealing the gaps between fragments
c. opening multiple origins of replication
d. proofreading new DNA strands
Answer:
D
Explanation:
Key points:
- Cells have a variety of mechanisms to prevent mutations, or permanent changes in DNA sequence.
- During DNA synthesis, most DNA polymerases "check their work," fixing the majority of mispaired bases in a process called proofreading.
- Immediately after DNA synthesis, any remaining mispaired bases can be detected and replaced in a process called mismatch repair.
- If DNA gets damaged, it can be repaired by various mechanisms, including chemical reversal, excision repair, and double-stranded break repair.
that's from khan academy^
What is the relationship between genes, traits and proteins?
Answer:
Genes are transcribed into mRNA, the mRNA is then translated into proteins, which determines specific traits.
Explanation:
because i used brainly
Which of the following is a function of lipids?
A.
Breakdown chemical compounds
B. Carry heredity information
C. Form boundaries of the cell membrane
D. Make proteins
Answer:
C. Form boundaries of the cell membrane
Explanation:
The functions of lipids include storing energy, signaling, and acting as structural components of cell membranes. Lipids have applications in the cosmetic and food industries as well as in nanotechnology.
10. In a bacterial cell, which structure allows the cell to move through fluid?
A flagella
B pili
C nucleoid
D ribosomes
Answer:
a, flagella. they allow cells to swim
in the late 1600s, english astronomer edmond halley presented a model of earth’s structure. helmet originally claimed that earth was
Disadvantage
Chemical
Advantage
1.
1.
Dish Detergent
2.
2.
1.
Chlorine
2.