Answer:
Plants have specialized tissues and organs blue-green algae do not.
Explanation:
One of the reasons algae are protists and not plants is because they lack structures that plants do have such as roots, leaves etc.
The statement that identifies a characteristic that distinguishes blue-green algae from plants is "Plants have specialized tissues and organs and blue-green algae do not."
What is the classification of plants ?Plants are classified as part of the kingdom Plantae, which includes multicellular, eukaryotic organisms that are photosynthetic and have specialized tissues and organs such as leaves, stems, and roots.
In contrast, blue-green algae (also known as cyanobacteria) are classified as part of the kingdom Monera or Bacteria, which includes unicellular, prokaryotic organisms that lack specialized tissues and organs.
Blue-green algae are also different from plants in their use of chlorophyll, which is organized differently in their cells. They do not have membrane-bound organelles like plants and other eukaryotic organisms.
Finally, blue-green algae are not better than plants at moving from place to place, as they are generally immobile and do not have specialized structures for locomotion.
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Which tissue type forms the interior and exterior surfaces of the body and creates surfaces for protection, absorption, and excretion
Answer:
epithelial tissue
Explanation:
The cells in this tissue are tightly packed within a thin ECM. Forming sheets that cover the internal and external body surfaces (surface epithelium) and secreting organs (glandular epithelium). Functions of epithelial tissue are secretion, protection, absorption, transportation and special sensory receptive.
Select all the factors that you know from the material presented in this lesson that are true of sickle cell anemia. It is an example of a single-gene disorder. It occurs in both males and females. Its gene is found on the X chromosome. It is passed down from both parents. It interferes with proper breathing and digestion. It involves the red blood cells. It is sometimes treated with blood transfusions.
Answer:
a
b
d
f
g
Explanation:
Sickle cell anemia is a condition that deals with the genetic disorders in which valine replaces glutamate at 6th position. it is transmitted through father. all the options are correct except its passing from both parents.
What happens in sickle cell anemia ?It is a genetic disorder in which normal RBC structures gets distorted and it gets the shape of sickle thus called sickle cell anemia. The distorted RBC are unable to carry oxygen in themselves.
It is found on the X chromosomes and the male is a carrier if the XY genotype of the male carries the X chromosome that is malfunctioned then it leads to the condition in the offspring.
Thus, sickle cell anemia can be treated as well via the blood transfusions.
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100 BRAINLY POINTS!!!!
Passive transport is the movement of molecules across a membrane without the use of energy. Why causes the molecules to move?
Molecules move inside a cell to interact with organelles.
Molecules move across a membrane to reach other cells.
Molecules move from an area of relatively low concentration to an area of higher concentration.
Molecules move from an area of relatively high concentration to an area of lower concentration.
PLEASE ANSWER RIGHT!!!!!
Answer:
Explanation:
The energy driving the movement of molecules during passive transport comes from differences in the concentration of the molecules on either side of the membrane with the molecules tending to move from the side of higher concentration to the side of lower concentration because of their net thermal movement.
Because there are two major ways that molecules can be moved across a membrane, and the distinction has to do with whether or not cell energy is used. Passive mechanisms like diffusion use no energy, while active transport requires energy to get done
How is energy used to move?
Molecules do not stop moving once they reach equilibrium. Passive Transport (no energy needed). The movement of particles from an area of high concentration to low concentration. Particles pass right through the cell membrane. the (passive) movement of large particles or substances across the cell membrane through protein channels.
I hope it helps you!
have a good day
Explanation:
if a cell keeps growing why must it eventually divide
Answer:
so it can reproduce more cells
How do a dwarf planet and an asteroid differ?
A. Dwarf planets have tails. Most asteroids do not.
B. Most asteroids have water. Dwarf planets do not.
C. Most asteroids are found in the Kuiper belt. Dwarf planets are not.
D. Dwarf planets have enough gravity to be spheres. Most asteroids do not.
Answer:
The answer is D.
Explanation:
because dwarf planets are found in the kuper belt as well, and A and B are actually just there to trick you. Hope that helped.
Why should we care about a resistant strain of TB in Russia
Answer: Because if they come to America they can spread TB to many people.
Explanation: Tuberculosis (TB) strains in Russia carry mutations that not only make them resistant to antibiotics but also help them to spread more effectively.
Answer:
Tuberculosis (TB) strains in Russia carry mutations that not only make them resistant to antibiotics but also help them to spread more effectively, according to an analysis of 1,000 genomes from different TB isolates — one of the largest whole-genome study of a single bacterial species so far.Explanation:
What's the answer for 4 and 5 I'm really confused. Help please. Also number 5 you select multiple answers.
Answer:
4. D
5. A, B, D
Explanation:
I think so
What is the best thing to soak an infected finger in?.
Answer: A simple infection of the finger can be treated by soaking it in: A mixture of pre-boiled warm water with antibacterial soap for 15 minutes, two to four times a day. Water with Epsom salt to soothe the area and provide pain relief.
Explanation: have a nice day
Distinguish how fermentation and respiration differ.
Definition for mutation
Answer:
Change
Explanation:
A roller coaster is moving at 25 m/s at the bottom of a hill. Three seconds later it reaches the top of the hill moving at 10 m/s. What was the acceleration of the coaster?
Answer:
Acceleration = 5 m/s2
Explanation:
As, acceleration is the rate of change of velocity per unit time, we have the formula;
acceleration = change in velocity / change in time
a = 25 m/s - 10 m/s / 3 seconds
a = 15 m/s / 3 seconds
a = 5 m/s.s
a = 5 m/s2
So, the acceleration of the roller coaster is 5 m/s2
The study of the evolutionary history of lineages of organisms is known as.
Answer:
phylogeny, the history of the evolution of a species or group, especially in reference to lines of descent and relationships among broad groups of organisms.
Explanation:
What functions are performed by the cerebellum? balance visual recognition posture regulation of organs smooth movement.
Answer:
The cerebellum (which is Latin for “little brain”) is a major structure of the hindbrain that is located near the brainstem. This part of the brain is responsible for coordinating voluntary movements. It is also responsible for a number of functions including motor skills such as balance, coordination, and posture
Explanation:
10 points + brainliest to first correect answer :) incorrect answers/ answers with no effort will be deleted this is easy im just making sure :)
In which environment would someone most likely find a living protist?
a-on the outer layer of human skin
b-inside a layer of rock
c-underneath sand
d-in a drop of lake water
Answer:
A. The outer layer of human skin
Explanation:
I'm unsure how I'm supposed to explain it.
How is a gill adapted for gas exchange?
Answer:
The exchange surfaces in fish are gills . Exchange of gases in fish is very efficient because of: the large surface area of the blood capillaries in each gill filament. the short distance required for diffusion – the outer layer of the gill filaments and the capillary walls are just one cell thick.Explanation:
Is a dolphin a mammal or a fish? Why would it be confusing if we only said "dolphin" instead of using scientific names
Answer:
it is a mammal it is warm blooded
What cell type produces a pigment that darkens the skin.
Answer:
melanocyte
Explanation:
melanocyte: A cell in the skin that produces the pigment melanin. keratinocytes:
Plants get their energy from the Sun through photosynthesis. This energy is trapped in the bonds of the complex compounds the plants create from carbon dioxide and water. The plants are then eaten by animals, and the energy is used for heat and movement. Which of the following is an energy transfer that is conducted inside an animal in the scenario?
a. radiant energy to mechanical energy.
b. radiant energy to chemical energy.
c. chemical energy to mechanical energy.
d. chemical energy to radiant energy.
Answer:
B
Explanation:
Radiant energy to chemical energy
Which type of active transport protein moves two molecules into the cell at the same time?.
Answer:
symport
Explanation:
The type of active transport protein that moves two molecules into the cell at the same time is called a symporter.
list and explain the eight characteristics of living organisims
Answer:
reproduction, heredity, cellular organization, growth and development, response to stimuli, adaptation through evolution, homeostasis, and metabolism. Something must have all 8 of these traits to be considered a living thing.
Explanation:
The plant structure that helps transport water from the roots to the leaves and other parts of the plant is Question 4 options: phloem xylem stamen rhizoids.
Xylem is the plant structure that helps transport water from the roots to the leaves and other parts of the plant.
The correct option is b.
What is xylem?Xylem is one of the transport systems of the plant which transport water from the root to other parts of the plant.
The other transport system is the phloem, which transports nutrients and water from the plant to its roots.
Thus, the correct option is B, Xylem.
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Read the following scenario and state which of the following is the independent variable
A. Growth of bean plants
B.Amount of light l
C.Type of light
D.Color of beans
hi i have a science report due tomorrow and i have one question left please answer asap WILL GIVE 50 POINTS!!!
Answer:
Brownian motion
Explanation:
This immediately came to my mind when I read your question, I hope this came so some kind of use.
The experiment I thought of is the brownian motion. (this experiment refers to water particles)
In 1827, a botanist named Robert Brown observed pollen grains that moved randomly when in water. At the time, he just didn't know how to explain why the grains moved randomy and not in a particular direction.
Later in 1905, Albert Einstein explained that the grains moved randomly due to individual water molecules colliding with the pollen grains. This provided evidence that molecules did exist and contributed to the particle theory.
(Particle theory is a theory that explains properties of solids metals and gases. It also involves the arrangement and movement of particles, which can help with studying movement of air particles)
Hope this helps!
can someone please help me with this question!?!?
Help me please. Will give 35 points
Copper
Properties
Malleable and ductile, good conductor of heat and electricity, resistant to corrosion, attractive colour, lustre
Uses
Water pipes, electrical wire, decorative goods
_____________________________________
Titanium
Properties
Good strength-to-weight ratio, light, resistant to corrosion, good conductor of heat but poor conductor of electricity
Uses
Drill bits, bicycles, golf clubs, watches and laptop computers, medical implants, jewellery, manufacturing aircraft and spacecraft
Why is it that countries are located at equator have high temperatures compared to other countries
Which of the following conditions would cause the plasmolysis of a bacterial cell?
Could there be a frameshift mutation that would not affect the
structure and function of the resulting protein? Explain your
answer.
Answer:
no, because it would have to be a perfect process, and changing would end in a mistake.
Explanation:
(detail) It would be unlikely, because a frameshift mutation shifts every nucleotide down one, so several amino acids in the protein are likely to be changed. However, if a frameshift mutation occurred near the end of the DNA sequence, the protein could have minimal changes to its structure and function.
It is possible the emergence of a frameshift mutation that does not affect the structure of a protein, but it will invariably modify its structure.
What is a mutation?A mutation is any alteration in the genetic material (DNA) that forms the genome of an organism.
A frameshift mutation can be defined as a mutation that modifies the Open reading Frame of a given gene.A frameshift mutation can be caused by deletions or insertions (indels) in the resulting DNA nucleotide sequence.In conclusion, it is possible the emergence of a frameshift mutation that does not affect the structure of a protein, but it will invariably modify its structure.
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Some owls produce 2 pellets per day. Assume each pellet
represents 80g of biomass. Also assume that one 40g vole can cause 50 cents of crop damage to a farm per season. If a barn owl family of seven (2 adults[producing 2 pellets/day] and 5 young [producing 1 pellet/day]) lives on a farm for 12 weeks and feeds exclusively on voles, how much will the farmer save in crop damages over the course of a season?
Answer:
I'm in fifth grade
Explanation:
I'm just 10 sorry just started
on this app
Modern humans show relatively small genetic variation yet exhibit a significant amount of phenotypic variation. Group startsTrue or False ::
Modern humans show relatively small genetic variation yet exhibit a significant amount of phenotypic variation. Group starts True or False :: True
Answer: true
Explanation:
