Which of the following is NOT a member of the cetacean group?
A) porpoise
B)dolphin
C) manatee
D) whale
Answer:
C) manatee
Explanation:
According to Wikipedia, "Cetaceans are aquatic mammals constituting the infraorder Cetacea. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet."
The most important thing to note here is the part saying "exclusively carnivorous diet." Manatees are aquatic mammals with a fully aquatic lifestyle and large size, but they are not carnivorous. Manatees feed on water grasses, weeds, and algae, according to National Geographic. So, manatees are not cetaceans.
Hopefully that was helpful! :)
Which of the following tissues is specialized for contraction and motion?
-connective tissue
-nervous tissue
-epithelial tissue
-muscle tissue
4th-muscle tissue
Its the 4th one
easy one - giving brainly if correct.
Answer:
I think the answer is D.
before running the gel, dna is mixed with dye and loaded into _______ by the use of a pipette.
Before running the gel, DNA is mixed with dye and loaded into wells through the use of a pipette.
What is Gel electrophoresis?Gel electrophoresis may be defined as a type of laboratory methodology that is significantly utilized in order to separate mixtures of DNA, RNA, or proteins according to molecular size. This process is used to analyze the biomacromolecules and their fragments on the basis of their charge and size.
In this technique, the molecules that have to be separated are pushed by an electrical field through a gel that contains small pores. Before performing an actual mechanism, DNA is mixed with a dye known as Ethidium bromide and then loaded into wells which are formed by Acrylamide gel through the use of a pipette.
Therefore, before running the gel, DNA is mixed with dye and loaded into wells through the use of a pipette.
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Which of the following about the cell theory is correct?
a. the cell theory asserts that all cells come from
existing cells.
b. the cell theory states that all cells contain a
nucleus
c. the cell theory was established in 1665 by
Robert Hooke.
d. the cell theory says that a cell membrane
separates one cell from another.
Answer:
The cell theory asserts that all cells comes from existing cells
Explanation:
plss mark brainliest
The cell theory asserts that all cells come from existing cells. Option a si correct.
The cell theory is a fundamental principle of biology. It was first proposed in the 19th century by Theodor Schwann and Matthias Schleiden. The cell theory states that:
All living things are made up of cells.Cells are the basic unit of structure and function of all living things.All cells come from existing cells.The cell theory has been supported by many scientific observations and experiments. For example, scientists have observed that cells divide to produce new cells. They have also observed that cells from different organisms have similar structures and functions.
The cell theory is a powerful tool for understanding living things. It allows scientists to study the structure and function of cells, and to understand how cells interact with each other. The cell theory has also led to the development of new technologies, such as cell culture and genetic engineering.
The other options are incorrect. Option b is incorrect because not all cells contain a nucleus. Option c is incorrect because the cell theory was not established in 1665 by Robert Hooke. Option d is incorrect because a cell membrane does not separate one cell from another. A cell membrane surrounds each cell, but it does not separate one cell from another.
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Explain the relationship between DNA and chromosomes
Answer:
A chromosome is a big molecule made of DNA
Explanation:
Sexual reproduction involves two parents.
True or False
Answer:
True
Explanation:
Answer:
true
Explanation:
cause....... just answer it
the two strands of a dna double helix are held together by:
Answer:
Bonds between the bases.
Explanation:
The two strands are held together by bonds between the bases, adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Answer:
Nucleotides, also known as base pairs.
Base Pairs-
ThymineCytosineAdenineGuanineuse the data able on the first page of this activity to caculate the number of calories in a single chip and in a single medium apple.
Answer:
answer
Explanation:
Hi how was your day
two glass tubes are placed in water one of them has very concentrated sucrose solution while the other has a concentrated sucrose solution after an hour what will happen to the liquid levels in the glass
Answer:
The liquid levels in the solution will become more dilute (have more water) due to Osmosis.
Explanation:
This is because Osmosis moves down a concentration gradient so the water outside the solution will become more concentrated and the solution will become more dilute.
the antimicrobial drugs with the broadest spectrum of activity are:
The antimicrobial drugs with the broadest spectrum of activity are tetracyclines.
Omitted options are
A) aminoglycosides.
B) chloramphenicol.
C) penicillin G.
D) macrolides.
E) tetracyclines.
Antimicrobial spectrum of an antibiotic is defined as the range of microorganisms that can be kiiled or inhibited by Antibiotics
Based on this spectrum, Antibiotics are divided into
broad-spectrum antibiotics, extended-spectrum antibiotics narrow-spectrum antibiotics Now, broad-spectrum antibiotics are those antibiotics that can kill or inhibit a wide range of microorganisms which contains the Gram positive and negative bacteria, Examples include Ciprofloxacin, Doxycycline, Minocycline, Tetracycline, Imipenem, Azithromycine. Extended-spectrum antibiotics are those antibiotics that can kill or inhibit majorly Gram positive bacteria and small amounts of Gram negative bacteria. example, Ampicillin.Narrow-spectrum antibiotic can only kill or inhibit very minute species of bacteria. Example includes, Sarecycline, Vancomycin, Isoniazid.See more here:https://brainly.com/question/13627875
Trùng roi giống thực vật:
Answer:
Wangsulan Iku Soko sing KITA ORA SING MELU SAK GROUP
. B.9(C) For an enzyme to be able to catalyze a reaction, the active site must---- *
1 point
be occupied by an inhibitor
increase the activation energy level
have a complementary shape to the substrate
cause the enzyme to be destroyed in the reaction
go keilani
A protein that speeds up a biological and chemical reaction to build and split any molecule is called an enzyme. They are produced naturally in the body.
The correct answer is:
Option C. have a complementary shape to the substrate.
This can be explained as:
If the active site on the enzyme is occupied by an inhibitor then the substrate will not be able to bind and the reaction will not occur.Activation energy is the minimum amount of energy needed for the reaction.If the enzyme is destroyed then no reaction will occur as the active site is present on the enzyme surfaces.Therefore, the active site should have a complementary shape to the substrate.
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Answer:
have a complementary shape to the substrate
Explanation:
Name the relevant tools on organic farm?
Answer:
4. Organic practices
4.1. Biointesive farming. ...
4.2. Crop rotation. ...
4.3. No till and conservation till farming. ...
4.4. Mulching. ...
4.5. Composting.
Exercise is important for muscles because it
a.
prevents muscles from becoming tired.
b.
helps maintain strength and flexibility.
c.
gives muscles more energy.
d.
prevents muscle injuries.
Answer:
it is c the answer is C ok thanks
How do thick and fleshy leaves of Aloe vera help in adaptation
Answer:
Help in storage of water
Explanation:
It stores a lot of water in it to avoid it from drying up
Select the correct answer.
In which process are fossils formed by the compression of dead organisms over time?
A.
carbonization
B.
extinction
C.
mineralization
D.
radioactivity
Answer:
A
Explanation:
Answer:
a
Explanation:
What is a non-Mendelian pattern of inheritance? *
Answer:
Non-Mendelian inheritance is any pattern of inheritance in which traits do not segregate in accordance with Mendel's laws.
Explanation:
I search it already
#carry on learning
Vegetation determines the kinds of animals that live in an area because plants?
Answer:
No, plants don't grow in any area because they know they are going to be eaten by animals.The vegetation is just determined by the climates and the environment. You could have a whole forest in your backyard if it wasn't for structures being build and trees being cut down.
Explanation:
How does tumor angiogenesis help spread cancer throughout the human body?
A. By disrupting the body’s hormone levels.
B. By forming new blood vessels.
C. By making the body think the blood isn’t pumping fast enough.
D. By forming new white blood cells.
Answer:B
Explanation: By forming new blood vessels to supply the tumour with oxygen and nutrients.
What is the amino acid sequence formed from the mRNA strand AUG GAC CAC UUU UAA?
a. methionine aspartic acid histidine phenylalanine
b. methionine aspartine histidine phenylalanine
c. phenylalanine histidine aspartic acid methionine
d. methionine aspartic acid histidine phenylalanine tyrosine
e. there is not start codon so no protein would form
Answer:
A
Explanation:
I hope my answer help you. Please, rate it as brainlest answer.
Yeast
Makes photosynthesis under light.
Makes alcoholic fermentation reactions.
Only makes anaerobic respiration reactions
Releases oxygen in the fermentation process.
Answer:
your answer is D
Answer:
the answer must be D: Releases oxygen in the fermentation process.
Explanation:
What do the wavy lines stand for with a ATP model???
Though non-limonuse, the planet and satellite shine as they reflect ligh from star and sun. But they have different brightness .Give two reasons.
Answer:
The earth has an atmosphere: satellites don't. Plus, the planet and satellites are made up of completely different things, which can affect the emission spectra of light.
Explanation:
Match each muscle of the head and neck with the correct label.
Answer:
yes. Your correct order is
1. Frontalis, 2 Temporalis, 3 Masseter, 4 Sternocleidomastoid and 5 Occipitalis.
Explanation:
Given three independently assorting genes, A, B, and C, how many types of gametes can be produced by the individual with genotype AaBbCc?
what is glucose???????????
Answer:
end product of carbohydrate digestion
also known as sugar
the end product of photosynthesis
Explanation:
It is a sugar substitute that gives important energy source to living organisms its aswell a component of carbohydrates.
Which layer in the blood vessel is composed of smooth muscle, allowing it to dilate or constrict?
Answer:
b. Tunica media
Explanation: is correct/post protected
state five importance of diffusion in plants and animals
Answer:
Diffusion is important to cells because it allows them to gain the useful substances they require to obtain energy and grow, and lets them get rid of waste products.
Importance of diffusion to living organisms.
Substance required by cell Waste product of cell
Glucose Carbon dioxide
Oxygen Urea (made from excess amino acids)
Amino acids
5. why have people created so many dog breeds? Describe how people created different breeds of
dogs from wolves and why they did so.
