Biology High School

Select the correct answer. Which animal has a single-loop circulation? A. human B. fish C. housefly D. earthworm E. octopus

20 points help asap plz

Answers

Answer 1

Fish.

I hope this is right. ^^

Answer 2

Answer:

B. Fish

Hope this helps!

Explanation:

Select The Correct Answer. Which Animal Has A Single-loop Circulation? A. Human B. Fish C. Housefly D.

Related Questions

Which part of the plant cell does photosynthesis occur? Please help

Answers

Answer:

Photosynthesis occurs in the chloroplast of the plant cell.

Explanation:

in the presence of a regulatory protein the lac operon is _____.

Answers

Answer:

The correct answer is :  B. not transcribed

Explanation:

The regulatory protein of the lac operon is a repressor. A operon is a stretch of DNA consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway. The genes of an operon are sequentially ordered after the promoter.

Photosynthesis (Where does the electron that is excited by light is taken). What is the source of the electron, where does it end up?

Answers

Answer:

The source of the light electron is the sun and it is taken in by the chlorophyll contained in the chloroplasts.

Explanation:

who has a German shepherd? I want a dog and need some information form a dog owner.Plz help​

Answers

Answer:

That is the type of dog that police use to find drugs, look for people, etc.

Explanation:

Discuss 2 other ways that scientists believe
kingdoms should be divided.

Answers

Answer:

Plants and animals? ...The question says two OTHER ways, and I don't know what ways have already been listed.

Explanation:

The two main kingdoms in the animal kingdom are plants and animals.

Scientists also list four other kingdoms including bacteria, archaebacteria, fungi, and protozoa.

Hope this helps answer the question. Comment if you need further help!

Choose the correct response to this statement: Presynaptic neurons synapse on the ________ of the postsynaptic neuron.

Answers

Answer:

Cell or body dendrites

Explanation:

The cell which connects the whole body is called neuron cell and the tissue made up from the following is known as nervous tissue.

The correct answer to the following is left.

The synapse is made of the following:-

Cell endingDendrite

The signal transfer to the whole body is in form of electrical and chemical signals.

Hence, the correct answer is left to the postsynaptic neuron.

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The primary electron acceptor in photosystem II is __________. Group of answer choices P700 P700 P680 P680

Answers

Answer:

680

Explanation:

When the P680 special pair of photosystem II absorbs energy, it enters an excited (high-energy) state. Excited P680 is a good electron donor and can transfer its excited electron to the primary electron acceptor, pheophytin.

Which is the BEST statement about joint flexibility? A. It is constant for any joint type. B. It is constant within a family. C. It is consistent between an individual's joints. D. It varies from joint to joint. Please select the best answer from the choices provided. A B C D.

Answers

Which is the BEST statement about joint flexibility?

Answer : D

Explanation : It varies from joint to joint.

Hope this helps you!

The amount of flexibility can vary greatly from joint to joint and is affected by various factors such as joint structure, muscle strength and elasticity, age, and physical activity level. Hence option D is correct.

What is joint flexibility?

Joint flexibility refers to the range of motion (ROM) of a joint or a group of joints. It is the ability of a joint to move through its full range of motion without causing any pain or discomfort.

Joint flexibility is an important aspect of physical fitness and is essential for performing daily activities and participating in sports and exercise.

Joint flexibility is determined by several factors, including the anatomy of the joint, the length and elasticity of the muscles surrounding the joint, and the presence of any injuries or medical conditions affecting the joint.

Some joints, such as the shoulder joint, are naturally more flexible than others, like the knee joint.

Flexibility can vary between individuals and between different joints in the same individual. For example, someone may have very flexible hip joints but limited flexibility in their shoulder joints.

Similarly, an individual's joint flexibility can also be influenced by age, gender, and activity level.

Hence option D, It varies from joint to joint. is correct.

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"Plants can survive on their own, because they make their own food. Animals can’t survive on their own but need plants for survival." A. Do you agree with this statement? B. Why or why not? C. Provide evidence to explain your reasoning.

Answers

Answer:A

Explanation:

Yes yes because it is required for photosynthesis to take place. ... he reactants that go into photosynthesis come out of respiration. Plants can survive on their own, because they make their own food. Animals on the other hand, cant survive without any food source

different types of cells in your body look and function differently. the basis for these differences is:

Answers

Different types of cells look and function differently, the basis for these differences is DIFFERENT PATTERNS of gene expression. This process (differential gene expression) leads to cell specialization.

Gene expression refers to the process by which the genetic information flows from a DNA sequence (i.e., a gene) to an mRNA molecule and finally to a protein.

In somatic (body) cells, the differential patterns of gene expression lead to the generation of different proteins and ultimately to different types of cells (cell phenotypes).

In consequence, cells are specialized to perform specific functions because different genes are being expressed.

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Adaptational characteristics of himalayan animals​

Answers

Answer:

Thick layer of body fat or bubbler, to reduce body heat loss. Strong hooves for walking on rock slopes. Thick fur on paws for protection from cold while walking on snow.

Explanation:

1) Thick layer of body fat or bubbler, to reduce body heat loss. 

2) Strong hooves for walking on rock slopes.

3) Thick fur on paws for protection from cold while walking on snow.

Which is the odd
one? Explain.

A. RR
B. Rr
C. Aa
D. aa

Answers

Answer:

d aa its not capitalized like the other ones

Explanation:

Question 41 A basement membrane anchors Multiple choice question. A) muscle tissue to nervous tissue. B) epithelial tissue to connective tissue. C) connective tissue to muscle tissue. D) brain tissue to nervous tissue. E) blood cells to plasma.

Answers

Answer:

B) Epithelial tissue to connective tissue

Explanation:

lymph is largely composed of water that has escaped from

Answers

Escaped from the Blood Plasma’s

how is the malphigan body adapted for it's function
​

Answers

it adapted because in order to be able to run in the human body the heart has to be able to operate

QUESTION 7
All of the following cells might be a product of meiosis EXCEPT?
OA) an egg
O B) a liver cell
OC) a spore
OD) a sperm cell
E) a gamete

Answers

Answer:

B) Liver Cell

Explanation:

An egg and a sperm cell are reproductive cells that are products of meiosis

A spore is produced by meiosis in the sporophyte

A gamete is produced through meiosis

what gives animal cells their shape and structure?

Answers

Answer: Animal cell's shape and structure are determined by the cytoskeleton.

What is the cytoskeleton?

The cytoskeleton is present in all animal cells, prokaryotic (bacterial) cells contain a very rudimentary version of it, while plant cells do not have one at all. It consists of several types of large molecules that provide physical support to the cell as well as internal transport along its length for organelles like endoplasmic reticulum (ER), mitochondria, vacuoles, etc. The three main components are microtubules, intermediate filaments and microfilaments which give rise to different structures within the cell. Microtubules are long cylindrical tubes made up of two protein subunits (alpha and beta tubulin) that form a hollow tube. These are the main components of the cytoskeleton, they provide support to the cell while also having transport capacity for organelles like endoplasmic reticulum (ER), mitochondria, vacuoles, etc. Microtubules are dynamic structures which means their state is constantly changing i.e., growing, shrinking or moving around depending on requirements of the cell.

in response to action potentials arriving along the transverse tubules, the sarcoplasmic reticulum releases:

Answers

It release carbon dioxide

7)
.......... and....
Are weak forces of attraction.

Answers

Answer:

inter molecular forces and van der wall forces are weak forces of attraction.

Explanation:

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A DNA microarray contains immobilized DNA that corresponds to different genes. The microarray is hybridized with fluorescently labeled DNA probes reverse transcribed from the control and experimental mRNA samples. The control probe is labeled with a red fluorochrome, while the experimental probe is labeled with a green fluorochrome. What will be the color of the spot representing a gene with moderately upregulated expression in the experimental sample relative to the control one

Answers

The color of the spot of a gene with moderately upregulated expression will be lime-green. A DNA microarray is a technique used to determine the expression level of many genes simultaneously.

A DNA microarray is a laboratory technique used to identify the genes that are being expressed in a cell.

A DNA microarray contains many tiny spots of specifically labeled cDNA samples referred to as probes, which can be hybridized by base complementarity to transcribed (mRNA) gene sequences.

In the DNA microarray, the probes can be fluorescently marked gene sequences.

After hybridization, the DNA microarray is then scanned in order to determine the level of gene expression of each mRNA that hybridizes with their corresponding probes on the slide.

In this case, green spots evidence genes that are being strongly expressed in the sample.

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4. Arterioles are the

a. Vein system.
b. Arteries system.
c. Arteries and vein system.
d. Arteries and blood system

Answers

Answer:

b. Arteries system

Explanation:

. A kidney cell is an example of which type of cell?
a. somatic cell
b. germ cell
c. sex cell
d. haploid cell

Answers

Answer:

A. Somatic cell

Have a good day!!!

Explanation:

they overcame by the blood of the lamb and the word of their testimony

Answers

Answer:

Revelation 12:11

what describes metal for being malleable?​

Answers

⇒

Malleable metals will bend and twist into numerous shapes when affected by a hammer, whereas non-malleable metals might break apart into pieces. Examples of malleable metals are gold, iron, aluminum, copper, silver and lead. ... No metal is completely malleable, and all will break when under extreme stress

What is the main purpose for plants to conduct photosynthesis?

Answers

Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.

Please help me!! ASAP

Answers

Answer:

B) Mushroom --> Heterotroph

C) Algae --> Autotroph

A) Autotroph --> Producer

D) Hetrotroph --> Comsumer

Explanation:

Mushrooms are decomposers because like other fungi, they break down dead and decaying matter to make their own food

Producers, such as plants and algae, acquire nutrients from inorganic sources that are supplied primarily by decomposers whereas decomposers, mostly fungi and bacteria, acquire carbon from organic sources that are supplied primarily by producers.

Primary producer; organisms, such as plants and phytoplankton, that can produce their own food through photosynthesis or chemosynthesis; also called autotrophs.

Consumers are also referred to as heterotrophs in contrast to autotrophs, which are the producers of the food chain. Consumers therefore include animals and heterotrophic bacteria and fungi. Plants that are carnivorous and therefore consume organic matter as well are regarded as both consumers and producers.

Have a great day! :D

Which layer of the atmosphere is experiencing this storm?

Answers

Answer:

Troposphere

Explanation:

Almost all weather occurs in the lowest layer of the atmosphere, called the Troposphere. The exception being large storms like hurricanes and large Thunderstorms. These storms have clouds with great vertical development and the tops of these storms go into the Stratosphere.

You are attempting to carry out a transposon mutagenesis experiment using the pRL27 system. The Donor strain you use was giving to you by a lab mate who has been culturing it continuously for several months. When you set up your control plates, you find that the Donor strain grows poorly on Luria DAP Agar. Your transformation efficiency is very poor for this attempt at mutageneis. What likely happened to the Donor strain

Answers

The most likely happened to the donor strain is that the transposon is active in the donor resulting in the gradual accumulation of mutations. The accumulation of mutations is promoted by the insertion of the transposon.

A donor strain is a bacterial strain that contains a mobilizable fragment of DNA called plasmid.

These strains (donor strains) exploit the transference properties of a conjugative plasmid to modify a particular recipient strain.

Transposons, also known as jumping genes, are mobile genetic elements that alter the genome of an organism by jumping and thus inserting them into genetic sequences (i.e., into protein-coding sequences).

In this case, the presence of a transposon in the donor strain affected the expression of many genes required for the donor strain in order to grow into Luria DAP Agar.

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What are the differences between an onion and a whitefish cell

Answers

During mitosis, the animal cell will have visible centrioles, where the plant cell will not. In thin section slides, you will also see that the onion cells are all dividing along the same axis, while in the whitefish embryos the plane of division appears to be random.

Onion are something that you can eat and grow on trees while whitefish cells are a part of whitefish.

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What are valence electrons?

Answers

Answer: : a single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of the atom.

Explanation:

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