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Stolb23 [73]
3 years ago
13

Which competition is direct and interspecific?(1 point)

Biology
2 answers:
fomenos3 years ago
7 0

Answer:

d

Explanation:

Nezavi [6.7K]3 years ago
6 0

Answer:

B. a hyena and cheetah fighting over a carcass

Explanation:

I took the test and this answer was correct, ignore the other person.

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Neutral mutations can have a significant effect on the organism try or false
Stels [109]

Answer:

False

Explanation:

Neutral mutations are changes in DNA sequence that are neither beneficial nor detrimental to the ability of an organism to survive and reproduce. In population genetics, mutations in which natural selection does not affect the spread of the mutation in a species are termed neutral mutations.

4 0
3 years ago
Which of the following is the path of a nerve impulse through a neuron? A. Terminal branches - axon - cell body - dendrite B. De
Soloha48 [4]

Answer:

B. Dendrite - cell body - axon - terminal branches

is correct

5 0
3 years ago
In response to high amounts of phosphate transport into the cell: a. PhoR is phosphorylated by the phosphate transporter protein
storchak [24]

Answer:

e. PhoU keeps PhoR bound to the phosphate transporter protein Pst

Explanation:

PhoU is a membrane protein known to regulate the transport of phosphate (Pi) between cellular compartments. It has been discovered that mutations in this protein cause lethality because the cell becomes incapable of controlling the intracellular levels of  Pi, this being toxic for the cell. PhoR is a histidine kinase/phosphatase. When the Pi level is considered to be a limiting factor, PhoR autophosphorylates at a histidine residue and then donates its phosphoryl group to PhoB. On the other hand, when the Pi level is high, this protein removes the phosphoryl group from phospho-PhoB. Finally, the Pst is a signal transduction protein that acts as a transporter capable of switching its conformation during the transport of PI.

5 0
3 years ago
Find the heat released in cooling 10g of water at 100C down to 25C​
Reika [66]

]To calculate the amount of heat entering or leaving a system, the equation  

Q

=

m

c

Δ

T

is used.

Explanation:

m = mass (in grams)

c = specific heat capacity (J/g°C)

ΔT = change in temperature (°C)

Here, we will use the specific heat capacity for liquid water which is 4.19 J/g°C.

The mass given is 25.0 grams.

As for the change in temperature, I will assume that it start off at room temperature, 25°C.

25

°

C

−

0

°

C

=

25

°

C

Q

=

m

c

Δ

T

Q

=

25

g

r

a

m

s

⋅

4.19

J

g

°

C

⋅

25

°

C

Q

=

2618.75

J

Take into account significant figures and the answer should be

2.6

⋅

10

3

J

Answer link

8 0
4 years ago
In a mixed ecosystem of autotrophs and heterotrophs what happens when the heterotrophs allows the autotrophs to grow and make ex
Vinil7 [7]

In a mixed ecosystem of autotrophs and heterotrophs, heterotrophs allow the growth of the autotrophs inorder to utilize the organic carbon more better way and which diminishes the amount of carbon availability. CO2 will be produced from heterotrophs will be utilized by autotrophs and grow more, eventually leads to the growth of heterotrophs by using available carbon and autotrophs s food source.

5 0
4 years ago
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