Answer:
In negative control, a regulatory protein shuts down transcription, and in positive control, an activator switches on transcription.
Explanation:
.
write any three advantages of classification of living beings
please can you answer ♡♡♡
Answer:
The advantages of classifying organisms are as follows:
(i) Classification facilitates the identification of organisms.
(ii) helps to establish the relationship among various groups of organisms. (iii) helps to study the phylogeny and evolutionary history of organisms.
help pls
Which of the following affects the outcome of an experiment?
a)Standard
b)Control
c)Dependent variable
d)Independent variable
Which body system breaks down food into nutrients.
Answer:
digestive system
Explanation:
Your digestive system breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair.
What prevents the simultaneous passage of sperm and urine through the male urethra?.
Answer:
internal urethral sphincter.
Explanation:
What are the communication skills??
Answer:
presentation, active listening, nonverbal communication, giving/taking feedback,
Explanation:
Some of the most important communication skills for any job are presentation, active listening, nonverbal communication, giving/taking feedback, and others. Improve your communication skills by learning how to listen, noticing nonverbal cues, and practicing oral communication
i pick Hobby
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Organize the parts of this body system in the CORRECT order (starting with organism level) according to the levels of organization in a multicellular organism.
a. human being --> stomach --> stomach lining tissue --> digestive system --> stomach lining cell
b. human being --> digestive system --> stomach --> stomach lining tissue --> stomach lining cell
c. human being --> digestive system --> stomach lining tissue --> stomach -->stomach lining cell
d. human being --> stomach lining tissue --> digestive system --> stomach lining cell --> stomach
According to the levels of organization in a multicellular organism.
human being --> digestive system --> stomach --> stomach lining tissue --> stomach lining cell.
What do you mean my level of organization?LEVEL OF ORGANIZATION:
Living organisms are classified according to hierarchical levels. The hierarchy of the level of organization is as follows:
cell → tissue → organ → organ system → organism
Thus, option "B" human being --> digestive system --> stomach --> stomach lining tissue --> stomach lining cell.
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In an embryo, the formation of many types of tissues and organs occurs as a result of the process of.
Answer:
Gastrulation leads to the formation of the three germ layers that give rise during further development to the different organs in the animal body. This process is called organogenesis. Organs develop from the germ layers through the process of differentiation.
why could sedimentation kill a coral reef
Answer:
the answer to your question is D
Explanation:
"High turbidity reduces the amount of light that gets through the water column to the corals, and reduces the ability of zooxanthelle to photosynthesize."
Which mechanism of gene expression regulation is the fastest but most energy demanding of the cell?.
Answer:
Post-translational control.
Explanation:
Because this mode involves modification of an already synthesized protein, it is the fastest in terms of regulating the activity of the gene product.
I need help on this.
Answer:
The DNA in animals and plants are neatly packed
Explanation:
i hope this helps
What is a mutation? a a misinterpretation of the daughter strand b a break down of the mRNA structures in the cell c any change in the nucleotide sequence d a function of the ribosome
Mutation can be defined as any change in the nucleotide sequence. That is option C.
What is nucleotide sequence?Nucleotide sequence can be defined as the sequence of bases that are arranged in a particular form which contains instructions for the synthesis of proteins in a cell.
When there is a change in this sequence, mutation is said to have occurred.
Therefore, Mutation can be defined as any change in the nucleotide sequence.
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Complete the sentence.
Warming air temperatures are slowing melting glaciers. As they melt,
O limiting phenomenon
O peak phenomenon
O primary succession
O secondary succession
occurs as new growth spreads on the newly exposed land.
Warming air temperatures are slowing melting glaciers. As they melt,primary succession. Thus, option "C" is correct.
What is succession?Succession is the natural development of a series of biotic communities at the same site. There are two types of succession; primary and secondary.
Primary succession occurs on lifeless unoccupied areas while secondary happens right after that and in there soil and some organism is present already.
Thus, option "C" is correct.
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what is the main reason equatorial ocean water is warmer than polar ocean water?
O A. Gyres in the northern hemisphere flow clockwise.
O B. The sun heats Earth and its oceans unevenly.
O C. Deep sea vents pump steam into oceans unevenly.
O D. Upwellings spew warm water toward the equator.
Answer:
option B
Explanation:
i think the answer will be B as the sun rays directly hit the earth at the equator and equatorial regions.
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In bears, the codon UUU codes for the amino acid phenylalanine. In mice, the codon
AAA codes for the amino acid lysine. In cats, the codon AAU codes for the amino acid
asparagine. In dogs, the codon GGG codes for the amino acid glycine. Which amino
acid would the codon AAA code for in alligators?
A:Glycine//Because the genetic code is not universal
B:Lysine//Because the genetic code is universal
C:Asparagine//Because the Genetic code universal
D:Phenylalanine// Because the genetic code is not universal
how do the x and y chromosomes differ
Answer:
see the attached file! (≡^∇^≡)
A person usually experiences small variations in body temperature over a 24-hour period. These variations in temperature are an example of
The small variations in body temperature which a person experiences over a 24-hour period is an example of dynamic equilibrium.
What is dynamic equilibrium?Dynamic equilibrium can be defined as the small variations in the temperature of the body of a living organism over a 24-hour period, which is typically a day.
This ultimately implies that, dynamic equilibrium simply refers to the small variations in body temperature which a person experiences over a 24-hour period.
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6. Describe two things that might affect the validity of findings in this experimental design:
Answer:
1: Depends on which science project and experiment: Physical science: THE FORCES ACTING UPON AN OBJECT IN THE WRONG WAY. Natural science: Atmosphere, soil temperature humidity.
Explanation:
which body system tells the skeletal system to move?
Pls help fast!
I wanted to see if my answers were right
which are : A, B D.
Answer:
C,A,A are the correct answers
Integrating sensory information and neural functions is a function of the __________. a. forebrain b. cerebrum c. thalamus d. cerebellum please select the best answer from the choices provided a b c d
Integrating sensory information and neural functions is a function of the cerebrum (i.e., the brain).
What is the cerebrum?The cerebrum or brain is the most important organ associated with functions of the nervous system.
The cerebrum is an organ that coordinates complex functions such as speech, movements, etc.In conclusion, integrating sensory information and neural functions is a function of the cerebrum (i.e., the brain).
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Over several years, a scientist successfully isolates a species of flower for white color. this year, when the new generation of flowers blooms, one yellow flower is found in the population. which is the best reason for the appearance of a new flower color within the species?
Answer:
genetic mutation
Explanation:
just took the exam
The methods for positively identifying a species and its life cycle stage have not fundamentally changed in the past 200 years. True False
Answer:
False
Explanation:
How do molecules that are too large to pass through the spaces of the cell membrane move into the cell?
A. The molecule will break up into smaller pieces.
B. The molecule will shrink so that it can fit in the spaces.
C. The molecule will move through a matching protein channel.
Please only answer if your 100% sure, this is for a test.
Explanation:
cell by a process called endocytosis, where a small piece of the cell membrane wraps around the particle and is brought into the cell. If the particle is solid, endocytosis is also called phagocytosis. If fluid droplets are taken in, the processes is called pinocytosis.
Answer: C
Explanation:
The _____ states that energy is neither created nor destroyed.
A) Downstream
B) Meltdown
C) Turbine
D) Ethanol
E) Passive solar cooling
F) Utility
G) First Law of Energy
H) Refinery
I) Isotopes
J) Second Law of Energy
Answer:
first law of energy
Explanation:
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Answer- G) First Law of Energy
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Lightly place your fingers on your wrist or neck and try to find your pulse. Count your pulse for 10 seconds and then multiply that number by 6 to get your heart rate for a minute. What activities do you think will increase and decrease your heart rate?
Answer:
Stress can send hormones like adrenaline and cortisol racing through your blood, which can raise your heart rate. Things like meditation and yoga can help lower stress levels. Over the long term, they can lower your resting heart rate, too
Explanation:
Stress can send hormones like adrenaline and cortisol racing through your blood, which can raise your heart rate. Things like meditation and yoga can help lower stress levels. Over the long term, they can lower your resting heart rate, too
Describe how soil provides nutrients for plants
- List any essential nutrients for plant growth (hint search: NPK and plants)
Describe each nutrient briefly (one-two sentences each)
Use of fertiliser to supplement plant growth
Answer:
microrganism or microbes,break down organic compounds in to inorganic compounds in a process called mineralization
When many different species live in an environment, the environment has high . if the number of predators increase in an area, the immediate effect will be a .
When the number of predators increase in an area, the immediate effect will be a decrease in number of prey.
What is a predator?A predator in an environment is an animal that kills other smaller animals in its niche for food.
The prey us the smaller animal that is being killed. Therefore when there is increase in the number of predators in an environment, the prey will decreases.
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ype of species
Critically endangered (%)
Endangered or vulnerable (%)
Plants
13
70
Invertebrates
0
35
Freshwater fish
9
37
Amphibians
7
30
Reptiles
5
28
Birds
0
12
Mammals
2
21
Answer:
Explanation:
ype of species
Critically endangered (%)
Endangered or vulnerable (%)
Plants
13
70
Invertebrates
0
35
Freshwater fish
9
37
Amphibians
7
30
Reptiles
5
28
Birds
0
12
Mammals
2
21
Consider the following food chain: Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. What will happen to the other members of the food chain if the grasshoppers are removed
Answer:
If the grasshopper is removed, the snakes will die, because the snakes have nothing to eat, and whatever eats snakes will die, and so on.
From the list provided, select all that are needed in the process of genome editing. (check all that apply.)
the target dna sequence
the ability to replace the mutated gene sequence with the correct gene sequence
the ability to remove the mutated gene sequence
the correctly folded protein encoded by the gene
What is the process of genome editing?
Genome editing (also called gene editing) is a group of technologies that give scientists the ability to change an organism's DNA.
The list of the process of genome editing:
1. The target DNA sequence.
2. Sequence with correct gene sequence.
3. The ability to remove the mutated gene sequence.
These technologies allow genetic material to be added, removed, or altered at particular locations in the genome.
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