Answer:
Cellular respiration
Explanation:
Energy flow through an
ecosystem is
A. completely random
B. a one-way pathway
C. always towards the Sun
D. a dual-directional pathway
Which characteristic of living organisms is similar to burning fuel in a car engine
Answer:
im sorry but there isnt engough information for me to answer this properly
how is the dna in a prokaryotic different from a eukaryote?
In the kidneys, the countercurrent mechanism involves the interaction between the flow of filtrate through the nephron loop of the juxtamedullary nephrons (the countercurrent multiplier) and the flow of blood through the limbs of adjacent blood vessels (the countercurrent exchange
a. True
b. False
The gravitational pull between two objects depends on their mass and distance. What is meant by distance?
1 point)
A. How close the two objects are located, meaning that closer objects have a stronger
gravitational pull than objects farther apart.
B. The height of an object above the ground, meaning that an object will fall faster as the
height above the ground increases.
C. How far apart the two objects are located meaning that objects farther apart have a
stronger gravitational pull than closer objects.
D. The length of the object, meaning if the object is longer it will exhibit more gravitational pull
than if it is short.
what are the 2 parts of the central nervous system
Answer:
brain and spinal cord.
Explanation:
The two parts of the central nervous system are the brain and the spinal cord.
What type of food was discovered to make up the majority of the diet of human foragers (and, by extension, likely our ancient ancestors)
Plant foods such as nuts, fruits and roots was discovered to make up the majority of the diet of human foragers. Hominine ancestors depended on foraging.
Hominine ancestors (i.e., before the evolution of H. sapiens), depended on foraging for millions of years.
Foraging refers to the search for wild food resources, which are provided by nature by gathering different sources (e.g., plants, small animals, birds, insects, etc).
Nuts, fruits and roots represent excellent sources of food because they contain both macronutrients (lipids, proteins and carbohydrates) and micronutrients (i.e., minerals and vitamins).
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in what part of the body does most chemical digestion take place?
Answer:
the small intestine
Explanation:
many protists are single-celled organisms. which other characteristic is common to organisms in kingdom protista?
a chromosome is best described as a _____________
a. gene that has more than one form
b. green cell found in many plants
c. strand of DNA containing genetic information
d. reproductive cell found in certain kinds of bacteria
Answer: the answer is C
Plant cell vacuoles tend to store a great
deal of...
A. gases.
B. water.
C. protein.
Answer:
Water. Plant cells have a large central vacuole that tends to store a great deal of water
e. How would the sky look if we could see microwaves in space?
in the family the father is affected by a genetic disorder the son in the family has the same disease but the daughters do not have it. what type of inheritance is this ?
Answer:
Explanation:When a genetic disorder is diagnosed in a family, family members often want to know the likelihood that they or their children will develop the condition. This can be difficult to predict in some cases because many factors influence a person's chances of developing a genetic condition. One important factor is how the condition is inherited.
Look at the table for energy used in activities. Ella does 2 hours of dancing a week, plays football for 1 hour a week, and goes swimming for 0.5 hours a week. She has a mass of 55kg. How much extra energy will she need a week in order to do these activities?
Ella requires 3905 kJ of energy to do 2 hours of dancing a week, 1 hour of football a week, and 0.5 hours of swimming a week.
Ella, with a mass of 55 kg, does a series of activities in a week.
Let's calculate how much energy she needs for each activity in total.
DancingEllas does 2 hours of dancing a week, which consumes 18 kJ/kg.h.
2 h × 55 kg × 18 kJ/kg.h = 1980 kJ
FootballElla plays 1 hour of football a week, which consumes 25 kJ/kg.h.
1 h × 55 kg × 25 kJ/kg.h = 1375 kJ
SwimmingElla goes swimming for 0.5 hours a week, which consumes 20 kJ/kg.h.
0.5 h × 55 kg × 20 kJ/kg.h = 550 kJ
Total energy expenditureE = 1980 kJ + 1375 kJ + 550 kJ = 3905 kJ
Ella requires 3905 kJ of energy to do 2 hours of dancing a week, 1 hour of football a week, and 0.5 hours of swimming a week.
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What is the correct sequence in the transmission of a neural impulse?
Answer:
A nerve impulse begins when a neuron receives a chemical stimulus. The nerve impulse travels through the axon membrane as an electrical action potential to the axon terminal. The axon terminal releases neurotransmitters that carry the nerve impulse to the next cell
Explanation:
and i'm mexican
urea and uric acid are products of the breakdown of:
The genetically programmed death of cells is called:
Answer:
Apoptosis :)
Explanation:
Which statement is true of evergreen coniferous trees?
Answer:always green and pinecones
Explanation:
I need some help pls
1what is the function of an enzyme
2 how are proteins made
the proteins are made up of fat
Do you think the vacuum hose is an effective way to remove sea urchins? Why? Explain at least one way this technology can be improved.
Answer:
No, or at least not yet. there small and dont do much improvment. If they were much bigger and sucked better, including some touch-ups here and there, they would have a bigger effect on removing sea urchins.
Explanation:
No
vaccum hoses are quite small in size.They don't suck sea urchins as per requirement.If they would be bigger and have more sucking power then it can be yes.renewable energy makes up approximately how much of the total u.s. energy budget?
Answer:9.2 quadrillion BTU
Explanation:
NEED HELP ASAP PLZ
Write T or True if the statement is true; write For False if the statement is false.
1. The greenhouse effect is a natural process that supports life on the earth for millions
years.
2. The majority of the Earth's atmosphere is composed of nitrogen and oxygen,
greenhouse gases comprise only a tiny fraction of the atmosphere.
3. All greenhouse gases are created as a result of human activity.
Answer:
1.)True
2.)False
3.)True
Explanation:
that's all I can give
__________ is needed in the body to make vitamin D, bile acids, and cortisol. Group of answer choices Phospholipid Cholesterol Lipase Triglyceride
Explanation:
Cholesterol is the correct answer
PLEASE HELP!! MULTIPLE CHOICE
genes control traits so when a gene is changed the trait changes
A
How to pronounce punnet squares?
Answer: puh-net
Explanation:
8. Fish make use of _______ exchange in their gills. a. cross-current b. concurrent c. cocurrent d. countercurrent
Answer:
Countercurrent
Explanation:
I think it's the answer
Answer:
d. countercurrent
Explanation:
im pretty sure this the answer so i hope this helps bro/broette bye
All of the following are true of hospitals in the United States, except: _____________
a. the average length of stay has declined substantially in recent decades.
b. the percentage of hospital services provided to outpatients has increased substantially in recent decades.
c. hospitals are owned and operated as governmental or not-for-profit institutions, but they are not owned by for-profit corporations.
d. hospitals receive a greater percentage of the healthcare dollar than any other healthcare institution.
There are different kinds of Healthcare system. The true statement about hospitals in the United States is that Hospitals are owned and operated as governmental or not-for-profits institutions but they are not owned by for-profit corporations.
U.S. Healthcare coverage is known to be divided into 2 part. They are;
Public healthcare (government-funded) Private healthcare (privately-funded)Hospitals often offer basic care to the sick. They treat illness and do simple surgery. Their work includes removal of gallstones etc. The hospitals are not set up to make profit but too help people.
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The last woman scientist discovered one gene that is unique in human, and she called it an Eureka moment. How many letters are different in that gene if you compare the chimp version with the human version
Only one letter is different between the human gene and the chimpanzee gene.
What is a gene?
A gene is a term to refer to the molecular unit of genetic inheritance that is composed of deoxyribonucleic acid, that is,
A sugar group. A phosphate group. A nitrogenous base. Guanine (G) Cytokine (C) Thymine (T) Adenine (A)
Man and chimpanzee share 99% of their genes. However, there are important genetic differences for us to be a different species from chimpanzees. Well, the change of a single nitrogenous base and differentiates the gene of a chimpanzee from the gene of a human.
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Photosynthesis occurs in a plant cell's (1 point)
A) cell wall.
B) chloroplasts.
C) nucleus.
D) ribosomes.
Answer:
B) Chloroplasts
Explanation:
Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.
Human cells have 46 chromosomes. Each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere. Once the chromosome has split, each chromatid is called a daughter chromosome. At the end of cytokinesis, how many daughter chromosomes will be found in each cell? Explain.
Answer:
92 daughter chromosomes.
Explanation:
There are 46 chromosomes in a normal cell and each chromosome turns into 2 daughter cells. So 46 plus 46 is 92.