Answer:
D. Homologous structures
Explanation:
Homologous structures
By Examining the fin of a primitive fish, scientists have found similarities in bone structure to that of modern-day reptiles, birds, and mammals this describes Vestigial structures.
What are vestigial structures?Vestigial structures are structures that have no apparent purpose and appear to be leftover components from a previous progenitor. The human appendix, a snake's pelvic bone, bone structure to that of modern-day reptiles and the wings of flightless birds are all examples of vestigial features.
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Reaction: C6H120, + 6
A -> 6
B + 6 H2O + energy
What molecules does letter B represent in the reaction above?
02
O CO2
ОАТР
O H2O
The reaction of cellular respiration involves the use of the glucose molecule in presence of oxygen to produce energy and carbon dioxide. Thus, option B is correct, as molecule B is carbon dioxide.
What is cellular respiration?Cellular respiration is a chemical method that involves the inhaled oxygen and use of the food molecules to release energy along with the water and carbon dioxide molecules.
Cellular respiration can be depicted by the reaction:
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy
Therefore, molecule B is carbon dioxide.
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Which of the following best explains how insulin injections affect signal transduction in an individual with type 1 diabetes
A. They serve as second messengers to regulate glucose uptake to cells
B. They allow alternate signaling transduction pathways to control glucose levels
C. They open channels to allow signaling molecules to enter pancreatic cells
D. They provide a signaling molecule to begin the signal transduction pathway
Answer:
The correct answer is - option A. They serve as second messengers to regulate glucose uptake to cells.
Explanation:
Type one diabetes is a condition that is characterized as the inability to produce enough quantity or at all of the insulin by the beta cells of the pancreas. Therefore, a patient with this condition completely depends on exogenous insulin to maintain the sugar level in the blood.
Insulin is the hormone that removes the excess amount of glucose from the blood by the adipose tissue, liver cells, and skeletal muscle that uptake an extra amount of sugar. there are receptors present on the surface of the plasma membrane which binds with the insulin and acts as a secondary to regulate a cascade reaction to glucose uptake to cells.
a mid oceanic ridge might be compared to what conitenal landform
Answer:
It should be Mountain Range
Trees, such as those in the deciduous forest, are very important to the environment. If the number of trees on earth continues to decrease significantly, what might be the result? (Site 1)
Answer:
more carbon dioxide would build up without the tress to recycle it and many animals would lose their habitats
Answer:
Animals will begin to migrate towards residential areas if the number of trees on the planet continues to decline, as their natural habitat would be destroyed. There are numerous plant species that can be used as a source of medicine for disease prevention and treatment. Trees provide a significant amount of oxygen to the environment. Some deciduous forest trees grow near rivers, preventing soil erosion by attaching dirt to the plant's roots. Cottonwood, mountain ash, and fruit trees are commercially important trees. If there is a considerable reduction in the quantity of trees, all of the above benefits of trees will be lost.
Explanation:
what is the unit for mass
B. What is the largest cell called?
This is the largest cell in the human body. In
contrast, the sperm cell is the smallest cell in
the human body.
HELP ASAP!!!
Members of the same species of bird became geographically separated. Over many years, the two groups evolved to become two different species. Which of these observations is the best evidence that two separate species developed?
Answer:
More information required
Explanation:
Is there a picture you forgot to post with the question?
In the problem you mention, which I assume comes from the study of finches in the Galapagos, some birds evolved to have different beaks, depending on the food available. Depending on what kind of seeds there are, different beak sizes were selected for, with those with the right fit eventually winning out over the rest on the individual islands.
I’ll mark brainly to the correct answer!
is Sedimentary rock. tilting, erosion or folding
Answer:
Tilting - Rock strata always form horizontally, so anything not horizontal has been acted upon. ... Folding - If the rocks are bent, they have been folded. Faulting - If there is a break and movement within the rocks, this is a fault.
Explanation:
Answer
I'd have to say it's Tilting.
Explanation:
This question needs to be more specific since the form of the rock can form differently which ultimately alters this answer to most likely folding, but I'd have to say my best answer would be tilting. Hope this works!
What data did you use to answer this question?
Im sorry i dont see any question
HELP PLEASEE
What is the difference in climates east and west of the Cascade Mountains in the Pacific Northwest?
There is more cloud cover and more rain in the east of the Cascade Mountains,
O There are colder winters in the west but milder winters in the east of the Cascade Mountains,
O There is more sunshine and less rain in the west of the Cascade Mountains
There are milder winters in the west but colder winters in the east of the Cascade Mountains,
Answer:
There are milder winters in the west and colder winters in the east
Answer:
There are milder winters in the west but colder winters in the east of the Cascade Mountains. or d/4th one
Explanation:
made it easier to read other one
Cells use a molecule called
Choose...
to store and release energy like a battery. The energy is stored in chemical bonds between
Choose...
groups of the molecule, and the energy is released when the chemical bonds are broken.
Answer:
ATP & Phosphate
Explanation:
just took the quiz and got it right
can you guys please help
Answer:
Lysosome?
Explanation:
Which substance is harmful in drinking water at any amount?
A) Nitrates
B) Pesticides
C) Charcoal
D) Coliform Bacteria
Answer:
B
Explanation:
Its a poison stay away from it no matter how much it is
What happens when an organic artifact loses its moisture when exposed to dry air?
An organic artifact (blank) and (blank )when it looses its moisture.
Answer: An organic artifact SHRINKS and DEFORMS when it loses its moisture.
What are you thankful for
happy early thankgiving staysafe guys and love ya
Answer:
im thankful for my family
Explanation:
because there always gonna be there for me
Answer:
im thankful for the fact my father isnt home rn(also can you give me brainliest i just need one more but its fine if you dont want to give it to me)
Explanation:
I'll give BRAINLIEST if you answer this correctly
Answer:
i would say 6 but it might not be right
Explanation:
PLEASE ANSWER ASAP
Question 6 (2 points)
Some chickens lay an egg every day. Other chickens produce few eggs. A study is planned to examine some factors that might affect the number of eggs produced by chickens. Which of the following is NOT a suitable hypothesis for the study?
Question 6 options:
If the cage for the chickens is larger, they will produce more eggs.
If more eggs are produced by the chickens, they will lose more weight.
If there is more protein in the feed, then more eggs are produced.
If chickens receive more hours of light, then they will produce more eggs.
Question 6 (2 points)
Some chickens lay an egg every day. Other chickens produce few eggs. A study is planned to examine some factors that might affect the number of eggs produced by chickens. Which of the following is NOT a suitable hypothesis for the study
If the cage for the chickens is larger, they will produce more eggs.
If more eggs are produced by the chickens, they will lose more weight.
If there is more protein in the feed, then more eggs are produced.
If chickens receive more hours of light, then they will produce more eggs.
Sam wished to investigate how fertilizer run-off affects the growth of algae in freshwater lakes and streams. He set his experiment up as follows. He placed 900 ml of water into each of five 1000 ml glass beakers. To each beaker, he added 5 ml of water from an aquarium which contained a large concentration of algae. The beakers were placed under a lamp which was on a timer to provide 12 hours of light each day. Liquid fertilizer was added to the beakers in the following amounts.
Each week, a random sample from each of the beakers was examined under a microscope to get a count of the number of algal cells present.
What is the independent variable in this experiment?
Question 7 options:
amount of fertilizer
number of algal cells
hours of daylight
amount of water
Question 8 (2 points)
Sam wished to investigate how fertilizer run-off affects the growth of algae in freshwater lakes and streams. He set his experiment up as follows. He placed 900 ml of water into each of five 1000 ml glass beakers. To each beaker, he added 5 ml of water from an aquarium which contained a large concentration of algae. The beakers were placed under a lamp which was on a timer to provide 12 hours of light each day. Liquid fertilizer was added to the beakers in the following amounts.
Each week, a random sample from each of the beakers was examined under a microscope to get a count of the number of algal cells present.
What is the dependent variable in this experiment?
Question 8 options:
size of beakers
number of algal cells
amount of fertilizer
hours of daylight
Question 9 (2 points)
Sam wished to investigate how fertilizer run-off affects the growth of algae in freshwater lakes and streams. He set his experiment up as follows. He placed 900 ml of water into each of five 1000 ml glass beakers. To each beaker, he added 5 ml of water from an aquarium which contained a large concentration of algae. The beakers were placed under a lamp which was on a timer to provide 12 hours of light each day. Liquid fertilizer was added to the beakers in the following amounts.
Each week, a random sample from each of the beakers was examined under a microscope to get a count of the number of algal cells present.
Which of the following is the control group for the experiment?
Question 9 options:
Beaker D
Beaker C
Beaker E
Beaker A
Beaker B
Question 10 (2 points)
To focus a specimen, it is best to start with which objective:
Question 10 options:
High power
Low power
Scanning
Ocular
On the image, which number represents the coarse adjustment knob?
1
2
5
10
What important feature is missing from this line graph representing sea level change between 1870 And 1990
X axis label
a title
Y axis label
appropriately spaced scales
Answer:
I know that for 6 is A) for 7) I'm between A) and C) for 8 it's B) 9 I don't understand, but the control group is whatever is kept the same and you're not testing on it and the rest I don't know
Stomach acid has a pH of about _____. a. 4 c. 6 b. 2 d. 10
Which could describe the properties of sedimentary rock?
A.blocklike or square crystals
B.foliated crystals
C. Large crystals, flattened into visible stripes
D.rounded grains cemented together by dissolved minerals
Answer:
D. Rounded grains cemented together by dissolved mineral.
Answer:
I'd say option D, rounded grains cemented together by dissolved minerals.
Explanation:
pls mark brainliest
True or False-- Males inherit more of their traits from their fathers, while females inherit more traits from their mothers
Children inherit genes from both their mother and father, so the answer is false.
(hope this helps ^^)
Answer:
the answer is false
Explanation:
NEED HELP ANSWERING THIS PLS
Answer:
a
Explanation:
ATP-ADP-ATP is called a
Answer:
ATP is a chemical compound that our cells use for energy.
ADP is ATP with one less phosphate group.
I hope this helps.
Explanation:
In a flashlight, the chemical energy in batteries is changed to ______________________ energy and ________________________ light.
Group of answer choices
thermal, mechanical
EM, nuclear
thermal, EM
EM, sound
Answer:
the answer should be thermal energy
Explanation:
Batteries can convert stored chemical energy into electrical energy. ... Electricity can be transported through wires to places where it is needed and then converted into other forms. In a flashlight, the electrical energy becomes light energy and thermal energy in the bulb.
BRAINLIST
Loveland Loess
(a )Tilting
,(B) Erosion
, (c) Folding
harmful contamination of the environment by a chemical of agent entering it over a diffuse area is called
if you answer this in a short paragraph I'll answer your newest question, give you brainliest, 5 star rating, and thanks. <3
How are precipitation and temperature different between the polar and tropical climate zones?
Answer:
Ok ill do it :D
The polar and tropical region temperature and preticaplation are different in many ways. The tropical climate temperature is warm compared to the Polar temperature The Tropical region precipitation is rain and lots of rain. The polar regions precipitation is mostly snow and hail. These two climate zones are different because where they are located on the globe. All in all there are many differences between these two regions.
Hope this helps ;D
Explanation:
Which of the following occur during interphase? Select all that apply.
A) cells prepare for cell division
B) chromosomes divide
C) cytoplasm divides
D) cells grow rapidly
E) chromosomes replicate
Cells grow rapidly and hromosomes replicate are occurs during interphase.
What do you mean by interphase?Interphase is the portion of the cell cycle that is not accompanied by visible changes under the microscope, and includes the G1, S and G2 phases. During interphase, the cell grows, replicates its DNA and prepares for mitosis.
A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division.
Interphase is the longest part of the cell cycle. This is when the cell grows and copies its DNA before moving into mitosis. During mitosis, chromosomes will align, separate, and move into new daughter cells.
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Which body system works closely with the nervous system to regulate body activity
A. Lymphatic
B. Integumentary
C. Endocrine
D. Muscular
Answer:
d
Explanation:
d
According to the article, which best describes Nikki’s life before she experienced cyberbullying? She was somewhat socially awkward. She was active on many social media sites. She was successful and involved in many activities. She was more interested in academics than friendships.
The statement which best describes Nikki’s life before she experienced cyberbullying is that she was successful and involved in many activities. Thus, the correct option for this question is C.
What is Cyberbullying?Cyberbullying may be defined as a kind of bullying or harassment that is significantly done or provoked by electronic means. It typically includes sending, posting, or sharing negative, harmful, false, or mean content about someone else.
Cyberbullying can include sharing personal or private information about someone else causing embarrassment or humiliation. Some cyberbullying crosses the line into unlawful or criminal behavior. According to the article, Nikki was successful and involved in many activities that utilize electronic gadgets and components.
Therefore, the statement which best describes Nikki’s life before she experienced cyberbullying is that she was successful and involved in many activities. Thus, the correct option for this question is C.
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