Answer:
Respiration begins at the nose or mouth, where oxygenated air is brought in before moving down the pharynx, larynx, and the trachea. The trachea branches into two bronchi, each leading into a lung. Each bronchus divides into smaller bronchi, and again into even smaller tubes called bronchioles.
Fish sperm consists mostly of the male fish's DNA. If tested chemically, there would be relatively
high amounts of
A) Nitrogenous bases, sugar and phosphate groups
B) Phospholipids and steroids
C) Triglycerides and ATP
D) Amino acids and unsaturated fats
HURRY DUE TODAY
The term for male and female reproductive structures found in separate flowers on the same plant is,
Group of answer choices
hermaphroditic
imperfect
monoecious
dioecious
Answer:
hermaphroditic as it is found in both genders
Explanation:
Eagles build nests, like the one shown.
How does this behavior affect the survival of the eagle population?
A. It communicates to the offspring the best way to reproduce.
B. It helps attract a mate and produce offspring.
C. It signals that the bird is ready to mate and produce offspring.
D. It provides a safe place for offspring to grow.
Answer:
The answer is:
D.It provides a safe place for offspring to grow.
Explanation:
The survival of offspring is crucial, especially in the bird world.If you lose offspring, there will be no future for your kind because you lost the new ones.
The calcium ion passes easily through the membrane of one cell but
cannot cross the membrane of a second cell. Which part of the plasma
membrane allows this substance to cross? *
- Phosphate groups of the phospholipid bilayer allow the ions to cross.
- The fatty acid tails of the phospholipids allow the ions to cross.
- Protein channels in the plasma membrane allow the ions to cross.
- Carbohydrate groups on the membrane allow the ions to cross.
Answer:
Protein channels in the plasma membrane allow the ions to cross.
Protein channels which are present in the plasma membrane of the cell allow the ions to cross the plasma membrane. Thus, the correct option is C.
Channel protein is a kind of protein which is found embedded in the plasma membrane of the cell. Channel proteins function similar to a pore and it allows the diffusion of small ions and water molecules through them. Channel proteins are lipoproteins and these are synthesized in the rough endoplasmic reticulum of the cell near the nucleus.
Ion channels are the transmembrane proteins whose canonical function is the transport of ions and molecules across the plasma membrane to regulate cell membrane potential and also play an essential role in neural communication, nerve conduction, and muscle contraction in the body.
Therefore, the correct option is C.
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Helppp I need to put this question in my own words!!!
Answer:
A planet revolves around the sun while the moon orbits a planet
in the table below list the advantages and disadvantages of using each stem cell to ad a treatment for lupus
What acts as the final destination for chromosomes during mitosis?
Answer:
Telophase
Explanation:
if you're asking what the final stage of mitosis is called
Answer:
Telophase
Telophase is the fifth and final phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. Telophase begins once the replicated, paired chromosomes have been separated and pulled to opposite sides, or poles, of the cell.
Give the basic features of the mechanism of inheritance.
Answer it for 50 points..I need explained and long answer..
➜ Here are some basic features of the mechanism of inheritance:
(i) Characters are controlled by genes.
(ii) Each gene controls one character.
(iii) There may be two or more forms of gene.
(iv) One form may be dominant over the other.
(v) Genes are present on chromosome.
(vi) An individual has two forms of gene whether similar or dissimilar.
(vii) The two forms separate from each other at the time of gamete formation.
(viii) The two forms are brought together in the zygote.
what happens to the amount of energy in the air of Christchurch in El Niño years.
Which of the following best describe gas particles?
SELECT ALL THAT APPLY
a
moving randomly
b collide into each other
move slow C move slow
d high kinetic energy
moving orderly E moving orderly
Answer:
a, b-colliding, d -high energy
A man has type A blood and his wife has type B blood. A physician types the blood of their four children and
finds that each of the children has a different blood type. What are the genotypes of the parents? How
would you explain that all four blood types could be represented by these four children?
Answer:
A person with type A blood receiving a transfusion of type B or AB blood would have an ABO incompatibility reaction. In an ABO incompatibility reaction, your immune system attacks the new blood cells and destroys them. If you have type AB blood, you have both A and B antigens.
hope it helps.
please mark me as brainliest
You are studying a population of sexual, diploid insects. One particular trait, wing size, is controlled by a single locus with two alleles. The allele for narrow wing size is dominant (N) and the allele for wide wing size is recessive (n). The population you are studying is comprised of 97 individuals with the NN genotype, 52 individuals with the Nn genotype and 50 individuals with the nn genotype. What is expected frequency of the dominant allele (A1) after selection
Answer:
The expected frequency of the dominant allele, N is 0.70
Explanation:
Total number of individuals in the insect population = 97 + 52 + 50 = 199
From Hardy-Weinberg equation, p2 + 2pq + q2 = 1; also p + q = 1
The frequency of dominant allele, N = p
Frequency of dominant NN genotype individuals = p2
From the given data: the population is comprised of 97 individuals with the NN genotype, 52 individuals with the Nn genotype and 50 individuals with the nn genotype.
Frequency of NN genotype individuals p2 = number of individuals with NN genotype ÷ total insect population
p2 = 97/ 199
p2 = 0.487
p = 0.697 = 0.70
Therefore, the expected frequency of the dominant allele, N is equal to 0.70
3. What can the reader reasonably conclude based on the information in this passage?
A. Animals in the rain forest are strictly independent of each other.
B. Animals in the rain forest have found ways to thwart their competition and survive
C. All animals in the rain forest have the same adaptations.
D. Animals in the rain forest all need the same amount of sunlight.
i think answer is D animal in the rain forest
All animals in the rainforest have the same adaptations. Therefore, option C is correct.
What is adaptation?A physical or behavioral characteristic of an animal that enhances its ability to survive in its environment is known as an adaptation.
To put it another way, an adaptation is something a person does or has on them that makes it easier for them to locate food, water, mates, and shelter. The structural adaptations made by some plants to survive in hot, dry deserts are one illustration of this.
Animals can defend themselves against predators and extreme weather by adapting. Numerous birds may conceal themselves under long grass, while weeds, insects, and other creatures can alter their colour to blend in. Predators find it challenging to locate them in search of food as a result. Hence, option C is correct.
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Decide whether each statement is describing anaerobic or aerobic cellular respiration.
Explanation:
38 molecules=Aerobic
2 molecules=Anaerobic
Oxygen levels low=Anaerobic
Lactic acid=Anaerobic
Oxygen levels high=Aerobic
Bone is composed of
A. Living cells, protein fibers, and calcium salts
B. Living cells, dead cells, and protein salts
C. Synovial fluid, protein fibers, and calcium salts
D. Living cells, bone marrow, and calcium fibers
Answer:
The most suitable answer :A. Living cells, protein fibers, and calcium salts
Explanation:
see image
Answer:
A. Living cells, protein fibers, and calcium salts
Explanation:
Bone is composed of living cells, protein fibers, and calcium salts
5. Which of the following statements is correct?
-Reabsorption of water is hormonally controlled
-Normal filtrate contains large amounts of protein
-Most of the water passing through the kidney is eliminated as urine
-The excretion of sodium ions is one of the mechanism that maintains pH balance in the blood.
Answer:
most of water passing through through the kidney is eliminated as urine
Here ya go, I hope this helps zoey
Answer: hey CC text me on Quora
Explanation:
a reptile egg is shown in the diagram which best describes function of the structure labeled y?
food source
protection
waste collection
gas exchange
Answer
food source
hope this helps
Answer:
A or food source 100%
Explanation:
U
Question 27
4 pts
What is the correct order of sites for a tRNA as it passes through a ribosome?
E, P. A
Ο Α. Ρ.Ε
P.E. A
OA.E.P
Answer:
p.e.a
Explanation:
Which of the following is the form of
energy an object has when it is in
motion?
A. potential
B. kinetic
C. magnetic
Lung cancer contributes to more cancer related deaths in men and
women than any other cancer worldwide, with a death rate of 1.38 million
lives per year. Tumors can grow in airways resulting in obstructions and
difficulty breathing Lung cancer is caused by -
a) uncontrolled meiosis respiratory tract cells
b) One DNA change that stop cellular division
c) accumulation of genetic damage resulting in cell cycle disruptions
d) none of the above
Answer:
b
Explanation:
Where are stomata located?
A. The bottom roots of the Leaves
B. The roots
C. the top of the leaves
D. The stems
Answer:
Explanation:
Option A is the correct answer
Answer:
They are located at the bottom of leaves.
So your answer is A
Heres a picture of the somata :
8) Which of the following is a true statement?
A Sugars and starches are broken down by your body into proteins
B. Extra protein is eliminated from the body or stored as carbohydrates
C. Carbohydrates have less than half the calories of fat
Taking large doses of vitamins and minerals is the best way to help your performance
the female reproductive and endocrine system work interactively for which main purpose
What is the answer to this
Answer:
D
Explanation:
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Answer:
the size changes to a bigger size, it looks to me like there is more germs in it.
Explanation:
Any one know this one please help
Answer:
Invasive species
Explanation:
What are the 4 bases on nucleotides in DNA?
PLEASE IT IS URGENT I NEED THE ANSWER NOW!
Which best describes respiration?
A. a cell process that releases energy from food
B. a cell process that converts carbon dioxide into energy
D. a plant process where chlorophyll produces sugar energy
Answer: A
Explanation:
B and D both describe the process of photosynthesis. A is the only one that describes respiration which is the breakdown of glucose into energy.
Avanti works in a bookstore. She has four books and is going to place them in two stacks. The diagram above shows the books before they touch. Use the information in the diagram to answer the question. How did the temperatures of the four books compare before they touched? How will the temperatures of the two top books compare after the books have been touching for a while, and why? HELP
Answer:
Well they didn't transfer any energy when they weren’t touching and it didn't produce any energy if it didn’t move. Since they are on top of each other they are causing momentum on each other creating kinetic energy
Explanation: