Which of these is not associated with tadpole stages of toad or frog

A. V-shaped gland
B. operculum
C. external gills
D. jelly
E. shell

Answers

Answer 1

Answer:

v shaped gland

hope its right


Related Questions

Would would be the possible gamete combinations?

Answers

Answer:

1/4 WR; 1/4 wr; 1/4 wR; 1/4 Wr

Explanation:

The principle of independent assortment indicates how different genes independently separate from one another when gametic (reproductive) cells develop. When a cell divides by meiosis, homologous chromosomes are randomly distributed to daughter cells, thereby different chromosomes segregate independently of each other. In consequence, each gamete has a unique combination of chromosomes. In this case, the two genes are on different homologous chromosomes, thereby gene variants (alleles) will be randomly distributed to daughter cells during meiosis (anaphase I) and thus the expected proportion of gamete genotypes will be 1/4 WR, 1/4 wr, 1/4 wR, 1/4 Wr.

Explain the role of PERISTALSIS during your food’s time in the esophagus as it travels to the stomach.

Answers

Peristalsis helps in storing food, breaking down food down and mixing it with juices secreted by stomach lining. Peristalsis in stomach helps in partial digestion of food called chyme.

The energy-yielding phase of _____________ generates two molecules of NADH and four molecules of ATP per processed glucose molecule.

The citric acid cycle
The electron transport chain
ATP synthase
Glycolysis

Answers

Answer:

I think it’s Glycolysis

Explanation:

Answer:

Hi, there the answer is Glycolysis

Explanation:

Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules: Glycolysis, or the aerobic catabolic breakdown of glucose, produces energy in the form of ATP, NADH, and pyruvate,

Hope This Helps

Which RNA base pairs with the adenine in DNA?
Thymine
guanine
cytosine
uracil

Answers

Thymine is ur answer for in DNA

Answer:

uracil

Explain: it pairs up with the dna

It is well known that sugars glucose and fructose are the primary fermentable substrates. However, malic acid can also be fermented but to lactic acid rather than ethanol. This is especially important in red wine, why?​

Answers

Answer:

The correct answer is - due to the different bacteria that produce a different enzyme that is involved in the fermentation of malic acid.

Explanation:

In red wine production, malic acid in present in grapes converted to a softer lactic acid. This process is known as malolactic fermentation. It takes place due to the presence of different types of bacterias such as bacteria of the lactic acid family.

These bacterias produce enzymes which is used to convert the malic acid to lactic acid such a process can occur naturally also.

which direction do new york state weather systems usually approach from

Answers

Answer:

west to east

Explanation:

The weather system of New York moves in the west to east direction. It is driven by the jet stream which moves from west to east.

The jet stream is nothing but the normal trade winds  that blows in and around the equator and move from west to east. While very strong wind forces start blowing from east to west due to the tropical trade winds

(20 POINTS!!) please help fast!!

Answers

Answer:

A. Metamorphic

B. Igneous

C. Sedimentary

Explanation:

please help ill give brainliest :)) At the equator, the earth spins a distance of 26,120 miles every day. At what speed does the Earth spin in mph?

Answers

Answer:

1088 mph

Explanation:

26120/24 = 1088.333 ≈ 1088

Answer:

1088.333mph

Explanation:

26,120miles ÷ 24hours = 1088.333mph

PLEASE HELP ASAP FOR 25 POINTS!! :D
6 Identify) What particle increases in number when a base is dissolved in water?
​​A: OH–
B: H3O+
​​C: H2O​​
D: H'

Answers

Answer: A: OH-

Explanation:

Bases are substances that increase the concentration of OH- ions in water when they dissolve in it.

Living organisms are commonly divided into six kingdoms: archaea, bacteria, fungi, protists,
plants, and animals. What’s the biggest problem with classifying organisms in this way?

Answers

they may be in the same category but they don't have the same biological makeup

The biggest problem in classifying organisms this way is that the way is not well-defined and diverse and if any organism doesn't fall into another kingdom that is added to these kingdoms.

What is classification?

Organisms are classified into groups and classes on the basis of their characters and structure. It helps in identifying and understanding the diversity of living organisms.

The six kingdom classification is based on similar characteristics like cell type, and food. Before this, scientists divide the organism into plants and animals.

Thus, The major issue with this system of classifying creatures is that it is not well-defined and diverse, and if an organism does not fit into one of the existing kingdoms, it is added to those already there.

Learn more about classification, here:

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The enzyme tryptophan synthetase is produced sizes, large and small. Some mutants with no enz tivity produced exactly the same size enzymes as the wild type. Other mutants with no activity produced its the large enzyme; still others, just the small enzyme.
a. Explain the different types of mutants at the level of protein structure.
b. Why do you think there were no mutants that produced no enzyme?

Answers

Answer:

Due to changes occur in the protein structure.

Explanation:

The different types of mutants produced at the level of protein structure because mutation changes the protein structure of organism which leads to different types of mutant organisms. There were no mutants that produced no enzyme because enzymes are the most important part of the body in order to help the organism in their survival. These enzymes speed up the process of chemical reaction.

CHAPTER ONE THE CHEMICAL COMPONENTS OF THE CELL Biology Form Three Student Book
1. What is the percentage by mass of oxygen, carbon, hydrogen, nitrogen,
phosphorus and sulfur in the earth and in the human body? What do you
observe?
(MB
2. Which elements have a higher percentage in the nature and in the human
body? State some compounds that contain these elements in their struc-
ture.
3. Many chemical substances enter the structure of the of the cell. In your
opinion, what is the importance of these substances? Why have you select-
ed these substances?
4. There are other elements that exist in a fewer percentage, search these
elements and state the percentage abundance of each in the cells of living
organisms.​

Answers

1. Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium.
2. The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you.

Construct an explanation to predict the type of symbiotic relationship that exists between the hippo and oxpecker birds?

Answers

Answer:

The hippopotamus and the oxpecker bird are in a mutualistic and parasitic relationship. This is because the oxpecker bird gets food and protection from the hippopotamus. However, the bird gets food by making little cuts in the hippopotamus to obtain insects. This isn't entirely harmful to the hippopotamus though.

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The food components gradually gets digested as food travels through the various components of alimentary canal. The digested food can pass into the blood vessels in the walls of the small intestine. The digestive system consists ofSingle choice.


(a) Digestive tract

(b) Digestive tract and liver

(c)Digestive tract and pancreas

(d) Digestive tract and the associated glands

pls answer​

Answers

Answer:

(b) Digestive tract and liver

Explanation:

The digestive system consists of the digestive tract and liver. The digestive tract is made up of a large number of parts. These parts include the esophagus, stomach, intestines, rectum, etc. Food enters the mouth and travels down the digestive tract and out passing the rectum. The liver is where the blood passes through and it is responsible for many functions such as the metabolizing of fats and proteins, separating and storing vitamins and minerals, regulating different chemicals found in the blood, etc.

Which of the following is formed last in daughter cells when plant cells divide?

The nucleus
The nuclear envelope
The cell membrane
The cell wall

Answers

Answer:

The cell wall is formed last

Answer:

the nucleus is the last thing formed

Which kind of evidence is used by scientists to understand the intermediate states between an ancestral form and that of its
descendants?

A) causation

B) correlation

C) natural selection

D) transitional fossils

Answers

It is transitionial fossils

The intermediate states between an ancestral form and that of its

descendants are transitional fossils.

What is a transitional fossil?

Transitional fossils are remains of an organism that came in between a known version of a species and the current species.

Transitional fossils would be proof of evolution because they would show medium forms of a species and they altered and accumulated adaptations at a slow pace.

Thus, option "D" transitional fossils are correct.

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Write each label into the appropriate category to designate whether the given item describes elements of gray or white matter of spinal cord.
Contains myelinated axons
Posterior column
Located to the periphery of the spinal cord
Gracile fasciculus
Anterior spinocerebellar tract
Medial vestibulospinal tract
Marked by low myelination White matter
Functions to integrate arriving electrical signals
Contains somas, synapses, and dendrites
Tectospinal tract
Functions to transmit electrical signals rapidly over long distances
Lateral horn
Ventral horn
Gray matter White matter

Answers

Answer:

- Contains myelinated axons: White matter

- Posterior column: White matter

- Located to the periphery of the spinal cord: White matter

- Gracile fasciculus: White matter

- Anterior spinocerebellar tract: White matter

- Medial vestibulospinal tract: White matter

- Marked by low myelination: Gray matter

- Functions to integrate arriving electrical signals: Gray matter

- Contains somas, synapses, and dendrites: Gray matter

- Tectospinal tract: White matter

- Functions to transmit electrical signals rapidly over long distances: White matter

- Lateral horn: Gray matter

- Ventral horn: Gray matter

Explanation:

Both the brain and the spinal cord contain white matter and gray matter. White matter is the tissue responsible for information transmission (i.e., axons); whereas gray matter is mostly involved in information processing (i.e., neuron bodies). White matter is composed of myelinated axons which extend out from the neuron bodies and glial cells, and this tissue connects different areas of the cerebral cortex (i.e., the outer layer of the brain). Moreover, gray matter is composed of neuronal cell bodies or 'soma'  that contain the neuron’s nucleus and unmyelinated axons. Gray matter also has glial cells and capillary blood vessels; whereas white matter also has oligodendrocytes that produce myelin and astrocytes. The color of the white matter is caused by the myelin that surrounds the axons; while the color of the gray matter is due to the capillary blood vessels and neuronal cell bodies. In the cerebrum and cerebellum, white matter is observed in deep areas coated by gray matter; whereas, in the spinal cord, the white matter surrounds the central gray matter. White matter is involved in normal motor and sensory function, this tissue is responsible for learning and coordinating communication between different brain regions. Moreover, grey matter is involved in muscle control and sensory function (e.g., hearing, vision, memory, emotions, speech, decision making, etc).

help..........................

Answers

Answer:

d

Explanation:

which statement regarding these methods of reproduction is correct?

Answers

Answer:

put the picture of the question

Explanation:

i cant help you if you dont

Hey can someone help me with this i don’t understand it?

Answers

It’s C because it has the highest frequency
C) is the right answer

Explanation: because the wave occur most often in a shorter amount of time it has a higher frequency

A 10 N force and a 15 N force are acting on a box in opposite directions what edition force must be added to produce equilibrium

Answers

Answer:

5N of force acting the same way as the 10N of force to make it 15N of force

Explanation:

Plz do 6 and 9❤️❤️❤️❤️❤️ Plz

Answers

Answer:

no

Explanation:

True or False:
Variation is key to life on the planet, but while it benefits the group, it doesn't benefit every individual IN the group.

Answers

Answer:

I believe the awnser is true. ((I'm not completely sure))

How do hormonal contraceptives (usually) work? Check all that apply.
freating a barrier
so that the sperm
cell do not enter
the uterus
inhibiting the
sperms' ability to
"swim"
thicken the
cervical mucus
reducing the inner
lining of the
uterue; egg cell
cannot attach
preventing the
maturing of the
follicle cells in the
ovaries
Select all
that apply
SUBMIT -
Musio
12
W2021
BAHO LORUS

Answers

Answer:yes and no there is no context just yes

Explanation:

Can someone please do this for me I will
Litteraly Venmo anyone to do this whole assignment for me

Answers

I won’t do it but I’ll help you. This is what the punnet square should look like

State your claim. Make sure your claim fully explains how infrared photography can be used to visualize temperature differences​

Answers

Answer:

Infrared thermography using an infrared camera is the most popular technique for detecting surface temperature without contact. ... Passive thermography measures relevant temperature differences of the surface by heating it with lamps (heat sources).

The sun produces energy from matter in its core through the process of

Answers

Answer:

 The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom.

Answer:

nuclear fusion ...........

how do oomycetes feed​

Answers

Since oomycetes are a fungi, they feed on decaying matter by absorbing the nutrients.

evidence of evolution on comparative embryology​

Answers

Answer:

Scientists have used comparative embryology to study and gather evidence of evolution. Karl Ernst von Baer, a Russian scientist, made observations on embryos of different species and came up with four principles of comparative embryology: 1. General features of an embryo appear before specialized features.

Explanation:

When a bat is hibernating, how fast does its heart pump?

Answers

Answer:

20 beats per minute

Explanation:

Answer:20 beats

Explanation:bat's heart rate slows to only 20 heartbeats per minute.

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