The choanocyte of a sponge and the nematocyst of a cnidarian both function in __________.
A. Obtaining food
B. Reproduction
C. Sight
D. Locating mates
E. Locomotion

Answer:

K⁺

Explanation:

The resting membrane potential results when the tendency for K⁺ to diffuse

Resting membrane potential is simply the electrical PD across plasma membrane whenever the cell has entered its Non-excited state.

Answer:

1. 3.8 x 10¹⁸

2. 4 x 10¹²

3. 3.4 x 10^ -20

4. 523000000000 atoms

5. 0.00000000000000000000000000167 kg

Explanation:

lizards, amphibians, fish, crustacean species, turtles, penguins, polar bears, sharks, dolphins

Answer:

y and z

Explanation:

bc DNA i forgot what it stands for

Answer:

B) Y: tRNA

   Z: DNA

Explanation:

I got a 100% on the comclumative exam test.

Answer: Study how to use a microscope

Explanation:

Explanation:

New stars are not being created in it

The offspring resulting in a 3:1 ratio suggests that the parents were both heterozygous for a single trait. The correct answer is option D.

The 3:1 ratio for a particular trait in the offspring of a cross between two plants suggests that the parents were both heterozygous for a single trait. This type of ratio is characteristic of a monohybrid cross between two heterozygous parents, where both parents have one dominant and one recessive allele for the same trait.

The dominant allele will be expressed in the phenotype of the offspring in a 3:1 ratio, with three offspring having the dominant trait and one offspring having the recessive trait.

Therefore, the correct answer is D) that the parents were both heterozygous for a single trait.

Learn more about heterozygous:

https://brainly.com/question/1626661

#SPJ11

The ideal pH and temperature for oyster growth are 6.2 to 6.8 and 41 degrees F. Option b is Correct.

Following spawning, PE prefers temperatures between 23 and 27 °C. The pH range between 6.0 and 7.5 is ideal for spawning. Depending on the composition, the ideal moisture content is between 64% and 66%. One research suggests that, like the Pacific oyster and sea urchins, the Eastern oyster's threshold for pH tolerance of reproduction is set at pH 7.4.

Nevertheless, this has to be tested at a tighter pH range between 7.5 and 7.1. Lower pH implies less carbonate, which is what shellfish like oysters and scallops need to construct their crucial shells. Thinner shells, slower development, and higher mortality rates are all effects of rising acidity. Option b is Correct.

Learn more about Oysters visit: brainly.com/question/17411882

#SPJ4

Correct Question:

Oysters grow best at what pH and temperature?

Choose one answer.

a. 6.2 to 6.4 and 37 degrees F

b. 6.2 to 6.8 and 41 degrees F

c. 6.4 to 7.0 and 45 degrees F

d. 6.0 to 6.8 and 32 degrees F

Hemoglobin genes and the cis-regulatory modules that regulate them. This section of the genome is the focus of your research (CRMs).DNA components where proteins can connect to transcription factors.

Different developmental periods occur when these genome are expressed. Adults express HBB and HBD, but fetal development expresses HBG1 and HBG2, and embryonic development expresses HBE1. A transcription factor called GATA1 is present in blood cells. A specialized protein called a transcription factor enters the nucleus of a cell to control gene expression. To activate or inhibit genome expression, transcription factors such as GATA1 must bind to particular regulatory DNA sequences (such as promoters).

learn more about transcription factors here:

https://brainly.com/question/8926797

#SPJ4

Conifers are a group of plants that have several adaptations like needle-like leaves, resin production, ad shallow root systems that enable them to survive in a variety of environments.

One of the most important adaptations is their needle-like leaves. These leaves are covered with a waxy coating that helps to prevent water loss, which is essential in environments with low rainfall. Additionally, the narrow shape of the leaves helps to reduce the surface area of the plant, which further reduces water loss.

Another adaptation of conifers is their ability to produce resin. Resin is a sticky substance that helps to protect the plant from insects and disease. It also helps to seal wounds and prevent water loss.

Conifers also have shallow root systems that enable them to absorb water from the surface of the soil. This is important in environments where the soil is thin and dry.

Finally, many conifers have cones that protect their seeds. The cones are covered with scales that help to prevent moisture loss and protect the seeds from predators. Some conifers, like the lodgepole pine, even have cones that require the heat of a forest fire to open and release their seeds, ensuring that the seeds will be able to grow in an environment with reduced competition from other plants.

Know more about Conifers here:

https://brainly.com/question/30415885

#SPJ11

A weighted average is a statistical measure that considers the relative importance of each value to calculate the final average.

In this problem, the weighted average score for the four scores will be calculated as given below:Given:L = 92 (lab score)T1 = 85 (score on the first major test)T2 = 90 (score on the second major test)F = 84 (score on the final exam)Weightage of lab score = 30% = 0.3 Weightage of each major test score = 22.5% = 0.225Weightage of the final exam score = 25% = 0.25

Weighted score of lab = 92 × 0.3 = 27.6 Weighted score of first major test = 85 × 0.225 = 19.125 Weighted score of second major test = 90 × 0.225 = 20.25Weighted score of final exam = 84 × 0.25 = 2  Total weighted score = 27.6 + 19.125 + 20.25 + 21 = 87.975 (out of 100)Therefore, the weighted average score is 87.98 when rounded to the nearest hundredth.

To know more about statistical measure visit:-

https://brainly.com/question/17516934

#SPJ11

In decimal form this is 0.5 and it converts to 50%

===================================================

Explanation:

Assuming the coin is a fair coin, meaning that each side is equally likely to be landed on, this means the probability of flipping heads is 1/2 = 0.5 = 50%

This is true of any flip. The coin doesn't have memory of previous events, so past events do not affect its probability. Each event is independent of any other.

In this exercise, amoeboid organisms exhibit a characteristic shape-changing appearance and a slower rate of locomotion compared to flagellated and ciliated organisms, which display more defined structures and faster movement.

Amoeboid organisms, such as amoebas, have a flexible, fluid-like body shape that allows them to extend pseudopods and change their shape as they move. They exhibit a characteristic amoeboid appearance, with constantly changing extensions and retractions. Their mode of locomotion is generally slower compared to flagellated and ciliated organisms.

Flagellated organisms possess whip-like appendages called flagella that propel them through their environment. Flagella provide a more defined and coordinated form of locomotion, allowing for faster movement and directed swimming.

Ciliated organisms have numerous hair-like structures called cilia on their surface. These cilia beat rhythmically in a coordinated manner, creating wave-like movements. Cilia enable these organisms to move with greater precision and speed, allowing for efficient locomotion and movement of fluid or particles over their surface.

Overall, amoeboid organisms exhibit a distinct appearance with shape-changing capabilities but have slower locomotion, while flagellated and ciliated organisms have more defined structures and display faster, more coordinated movement.

To learn more about cilia click here brainly.com/question/226194

#SPJ11

The magma rises from Earth’s crust, pushing the North American plate and the Eurasian plate away from each other at the Mid-Atlantic Ridge, due to the movement of the plates, the Atlantic Ocean continuously becomes wider.

Plate tectonics is the predominantly accepted scientific theory that states that the Earth's lithosphere is composed of several large tectonic plates which have been slowly moving since about 3.4 billion years ago.

When these plates move apart, magma rises to the surface a dozen kilometers below the ocean floor which form a new ocean floor. Large-scale volcanic events create large structures that over time form very ridges, plateaus like Azores, islands and seamounts.

Mountains arise where plates try and force together, or converge, as well as continents shift and oceans form where plates move apart, or diverge.

Thus, the magma rises from Earth’s crust, pushing the North American plate and the Eurasian plate away from each other at the Mid-Atlantic Ridge, due to the movement of the plates, the Atlantic Ocean continuously becomes wider.

Learn more about Tectonic Plates, here:

https://brainly.com/question/19317822

#SPJ1

Answer:

The side of the moon that isn't lit

Explanation:

Because that side of the moon isn't lit then that's what we're seeing

The visual cortex is contained in the occipital lobe of the cerebral cortex.

The cerebral cortex is the most recently evolved portion of the brain and is responsible for the most complex brain functions in humans. It is divided into four lobes, each of which controls different cognitive functions, as well as other regions that play a role in the integration of information and communication between the lobes.

The four lobes of the cerebral cortex are as follows:

The visual cortex is located in the occipital lobe of the cerebral cortex. It is responsible for processing and interpreting visual stimuli from the eyes, allowing us to see the world around us.

Learn more about visual cortex: https://brainly.com/question/30763494

#SPJ11

Step-by-step explanation:

X is the number

X/2 is quotient of a number and 2

5 + X/2 = 15

Multiply all terms by 2 to eliminate fractions

10 + X = 30

X = 20

number is 20

please mark me as brainlist

Oxygenated blood flows through the following blood vessels:

Deoxygenated blood flows through the following blood vessels:

Oxygenated blood is blood which has a high concentration which is coming from the lungs.

Oxygenated blood flows through the following blood vessels:

Deoxygenated blood is blood which comes from the body going towards the lungs.

Deoxygenated blood flows through the following blood vessels:

In conclusion, the blood vessels are responsible for transporting blood trough the body.

Learn more about blood vessels at: https://brainly.com/question/11763276

#SPJ1

Answer:

meter

Explanation:

Answer:

look it up on safari it should give u the answer

Explanation:

Answer: iii

Explanation:

All DNA nucleotides contain the same deoxyribose and phosphate group, but different bases.

DNA is a biological polymer of deoxyribonucleic acid that has four different chemical groups, called bases: adenine, guanine, cytosine, and thymine.

The DNA molecule is made up of monomers called nucleotides, which is made up of the following:

The five carbon sugar and phosphate group of a DNA molecule are the same but they possess different nucleotide bases.

Learn more about DNA at: https://brainly.com/question/264225

#SPJ12

Answer:

it has been beneficial because the climate with the environment helps humans to cope with the level of civilization

The correct hormones that are responsible for the thickening of the uterine lining are Progesterone and Estrogens. Progesterone and estrogens are responsible for thickening the uterine lining.

The female reproductive system is regulated by hormones. The hormones released by the hypothalamus, pituitary gland, and ovaries are essential for female reproductive health.The ovaries, the small, almond-shaped organs located on either side of the uterus, are responsible for producing eggs, estrogen, and progesterone hormones.Estrogen and progesterone are responsible for thickening the uterine lining.

Estrogen is a hormone that helps the uterus develop a thick lining. After ovulation, progesterone takes over and causes the uterus lining to thicken further to prepare for a fertilized egg's implantation. In the absence of fertilization, the hormone levels drop, the thickened lining breaks down, and menstruation occurs.

To know more about Progesterone  visit:-

https://brainly.com/question/32346404

#SPJ11

The concentration of carbon is increased in the oceans have made them more acidic.

Increased carbon concentration in the oceans which have made the ocean water more acidic is the indication that more carbon is absorbed by the ocean. When carbon absorbed by the ocean, the carbon reacts with water which produced carbonic acid.

This carbonic acid decrease the pH of the ocean water that adversely affect the marine organisms especially coral reefs. When the pH of the ocean water increases, bleaching of coral reef occurs because the algae living on them die so we can conclude that the concentration of carbon is increased in the oceans have made them more acidic.

Learn more about pH here: https://brainly.com/question/940314

Learn more: https://brainly.com/question/25941324

Answer:

A

Explanation:

Increased carbon in the oceans has made them more acidic.

Answer:

Ecosystem, community, population, Organism

Explanation:

Organism is a single species

Population is a group of the same species

Community is a group of different populations

Ecosystem is where communities live

I hope this helps...

Please mark me brainliest ♥️

Have a nice day<3

The following statements about the anaphase-promoting complex (APC) are true:

1. It promotes the degradation of proteins that regulate M-phase.

2. It tags cyclin with ubiquitin, so it gets sent to the proteasome.

3. It promotes the breakdown of cohesins.

4. Its activity is stimulated by M-Cdk.

Thus, the correct options are A, B, E, and F.

The anaphase promoting complex or cyclosome (APC/C) is a large multi-subunit E3 ubiquitin ligase that orchestrates cell cycle progression by mediating the degradation of important cell cycle regulators. The statements above are accurate because the APC plays a crucial role in regulating the progression of the cell cycle, specifically during the M-phase (mitosis). It promotes the degradation of key proteins, helps break down cohesins to separate sister chromatids, and is regulated by the M-Cdk complex.

Thus, the correct options are A, B, E, and F.

Learn more about anaphase-promoting complex (APC): https://brainly.com/question/32190572

#SPJ11

Problems in ecosystem due to road salt are flooding, damage to plant life, water pollution and accidents.

An ecosystem is a region where a bubble of life is created by plants, animals, and other species working together with the weather and topography. Ecosystems are made up of both biotic, or living, and abiotic, or non-living, components.

The cause of the problem is floods caused by excessive ice and snow melting, damage to local plants caused content of salt in the soil, animals that lick salt are prone to accidents, significant increases in soil erosion rates influence the water quality of streams and rivers.

To know more about ecosystem, click here:

https://brainly.com/question/842527

#SPJ1

Answer:

Heredity, the sum of all biological processes by which particular characteristics are transmitted from parents to their offspring. ... Each offspring is a combination of its two parents, receiving some dominant traits from its mother and others from its father.

Explanation:

The salt solution is  Hypertonic.

To know more about osmosis here

https://brainly.com/question/21395644

#SPJ2